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Euclid’s Elements was a collection of 13 books about geometry originally written circa 300 BC. Shortly after the advent of the printing press, many editions and translations have been created over the centuries. Byrne’s 1847 edition of the first six books stands out for its unique use of colorful illustrations to demonstrate proofs rather than using letters to label angles, edges, and shapes. His edition was one of the first books to be published with such detailed use of colors and combined with its detailed diagrams makes it an impressive feat of publishing for the times and it stands out even today as a work of art. This site is a reproduction of Byrne’s Euclid by Oliver Byrne from 1847 that pays tribute to the beautiful original design and includes enhancements such as interactive diagrams, cross references, and posters designed by Nicholas Rougeux.
- Subjects:
- Mathematics and Statistics
- Keywords:
- Euclid's Elements Elements (Euclid) Geometry
- Resource Type:
- Others
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Others
In this matching game, learners are required to match various scientific content types, for example, books, literature review articles, encyclopedia entry, conference proceedings, scholarly journal articles, government documents, reference books, technical reports, with their intended purpose.
- Subjects:
- Statistics and Research Methods
- Keywords:
- Research Information literacy Information resources
- Resource Type:
- Others
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Others
In this matching game, learners are required to match the different phases of a research project.
- Subjects:
- Statistics and Research Methods
- Keywords:
- Research -- Methodology Research
- Resource Type:
- Others
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Others
In this game, learners are required to put the information that can support the work in different research stages.
- Subjects:
- Statistics and Research Methods
- Keywords:
- Research -- Methodology Information literacy Information resources
- Resource Type:
- Others
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Others
Use TensorFlow to take machine learning to the next level. Your new skills will amaze you.
- Subjects:
- Computing
- Keywords:
- Python (Computer program language) Machine learning
- Resource Type:
- Others
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Others
Distinguish yourself by learning to work with text data.
- Subjects:
- Computing
- Keywords:
- Python (Computer program language) Natural language processing (Computer science)
- Resource Type:
- Others
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Others
Learn SQL for working with databases, using Google BigQuery to scale to massive datasets.
- Subjects:
- Computing
- Keywords:
- Database management SQL (Computer program language)
- Resource Type:
- Others
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Others
Learn to handle missing values, non-numeric values, data leakage and more. Your models will be more accurate and useful.
- Subjects:
- Computing
- Keywords:
- Python (Computer program language) Machine learning
- Resource Type:
- Others
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Others
Make great data visualizations. A great way to see the power of coding!
- Subjects:
- Computing
- Keywords:
- Information visualization Python (Computer program language)
- Resource Type:
- Others
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Others
Take your SQL skills to the next level.
- Subjects:
- Computing
- Keywords:
- Database management SQL (Computer program language)
- Resource Type:
- Others
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Others
Extract human-understandable insights from any machine learning model.
- Subjects:
- Computing
- Keywords:
- Python (Computer program language) Machine learning
- Resource Type:
- Others
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Others
Brilliant helps you see concepts visually and interact with them, and poses questions that get you to think. Our courses show you that math, science, and computer science are – at their core – a way of thinking. All of our courses are crafted by award-winning teachers, researchers, and professionals from MIT, Caltech, Duke, Microsoft, Google, and more, with these principles of learning in mind. Get started as a beginner with the fundamentals, or dive right into the intermediate and advanced courses for professionals. Brilliant is for ambitious and curious people ages 10 to 110.
- Keywords:
- Science -- Study teaching Technical education Technology -- Study teaching
- Resource Type:
- Others
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Others
Math explained in easy language, plus puzzles, games, worksheets and an illustrated dictionary.
- Course related:
- AMA1110 Basic Mathematics I – Calculus and Probability & Statistics and AMA1120 Basic Mathematics II – Calculus and Linear Algebra
- Subjects:
- Mathematics and Statistics
- Keywords:
- Mathematics
- Resource Type:
- Others
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Others
Our calculator allows you to check your solutions to calculus exercises. It helps you practice by showing you the full working (step by step integration). All common integration techniques and even special functions are supported. The Integral Calculator supports definite and indefinite integrals (antiderivatives) as well as integrating functions with many variables. You can also check your answers! Interactive graphs/plots help visualize and better understand the functions.
- Course related:
- AMA1120 Basic Mathematics II - Calculas and Linear Algebra
- Subjects:
- Mathematics and Statistics
- Keywords:
- Calculus Integral
- Resource Type:
- Others
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Others
Built on the widest range of trusted, high-quality, interdisciplinary research and scholarly literature, ScienceDirect helps uncover answers to the world’s most pressing questions. Whether you’re a teacher, student, librarian or researcher, ScienceDirect will help you build a solid knowledge foundation, stay on top of your field and gain in-depth insights into trending topics as you take your next steps in discovery. Physical Sciences & Engineering publications cover a range of disciplines, from the theoretical to the applied. Health Sciences collections — covering education, reference information and decision support — keep you up-to-date on medical developments to stimulate research and improve patient care. Life Sciences journal articles and book chapters feature original research, insightful analysis, current theory and more. Social Sciences & Humanities journals and books highlight historical context, current developments, theories, applications, trends and more.
- Keywords:
- Science Medical sciences Life sciences Technology Social sciences Physical sciences
- Resource Type:
- Others
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Others
PubMed is a free resource supporting the search and retrieval of biomedical and life sciences literature with the aim of improving health–both globally and personally. The PubMed database contains more than 32 million citations and abstracts of biomedical literature. It does not include full text journal articles; however, links to the full text are often present when available from other sources, such as the publisher's website or PubMed Central (PMC). Available to the public online since 1996, PubMed was developed and is maintained by the National Center for Biotechnology Information (NCBI), at the U.S. National Library of Medicine (NLM), located at the National Institutes of Health (NIH).
- Course related:
- RS3731 Neurological Physiotherapy II
- Subjects:
- Rehabilitation Sciences, Medical Imaging, Biology, Health Sciences, Nursing, and Medicine
- Keywords:
- Dentistry Clinical medicine Biology Nursing Medicine
- Resource Type:
- Others
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Others
This learning material covers the topic of differentiation by considering first principles (gradients of chords and tangents).
- Course related:
- AMA1110 Basic Mathematics I – Calculus and Probability & Statistics
- Subjects:
- Mathematics and Statistics
- Keywords:
- Differential calculus
- Resource Type:
- Others
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Others
The live panel sharing of the L-I-V-E Training Series invited representatives from the Environmental Protection Department to share the challenges arisen from the disposal of plastic tableware and food waste collection and the policies currently adopted to tackle the problems: (1) Disposal of Plastic Tableware and (2) Food Waste Collection.
- Course related:
- LSGI1B02 Climate Change and Society
- Subjects:
- Environmental Sciences and Environmental Policy and Planning
- Keywords:
- Sustainable development Plastic tableware Food waste Plastics in packaging Refuse refuse disposal
- Resource Type:
- Others
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Others
The Biomics is an educational library site for Life Sciences providing a comprehensive knowledge to those students who are deeply involved in CSIR-UGC NET/JRF and other fellowship and PhD exam preparations.
- Course related:
- HTI34014 Molecular Biology in Medicine
- Subjects:
- Medical Laboratory Science and Biology
- Keywords:
- Biotechnology Life sciences
- Resource Type:
- Others
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Others
This sequence is ideal for students or early data science professionals who want to strengthen their knowledge of fundamental probability and statistics concepts. Mastery of Mathematical Fundamentals is a prerequisite.
- Course related:
- AMA1110 Basic Mathematics I – Calculus and Probability & Statistics
- Subjects:
- Finance and Mathematics and Statistics
- Keywords:
- Probabilities Mathematical statistics Business mathematics
- Resource Type:
- Others
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Others
Nicholas John Higham FRS is a British numerical analyst. He is Royal Society Research Professor and Richardson Professor of Applied Mathematics in the School of Mathematics at the University of Manchester. In this blog, it covers the popular topic, such as: (1) Top 5 Beamer Tips (2) The Nearest Correlation Matrix (3) The Top 10 Algorithms in Applied Mathematics (4) A Black Background for More Restful PDF viewing (5) Typesetting Mathematics According to the ISO Standard (6) Fourth Edition (2013) of Golub and Van Loan’s Matrix Computations (7) The Rise of Mixed Precision Arithmetic (8) Second Edition (2013) of Matrix Analysis by Horn and Johnson (9) Half Precision Arithmetic: fp16 Versus bfloat16 (10) Managing BibTeX Files with Emacs (11) Five Examples of Proofreading (12) Implicit Expansion: A Powerful New Feature of MATLAB R2016b (13) Dot Grid Paper for Writing Mathematics (14) Programming Languages: An Applied Mathematics View (15) Three BibTeX Tips (16) Better LaTeX Tables with Booktabs (17) The Princeton Companion to Applied Mathematics (18) Numerical Methods That (Usually) Work (19) What’s New in MATLAB R2017a? (20) What Is Numerical Stability?
- Course related:
- AMA615 Nonlinear Optimization Methods and AMA611 Applied Analysis
- Subjects:
- Mathematics and Statistics
- Keywords:
- Computer programming Numerical analysis
- Resource Type:
- Others
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Others
Online MRI & CT Sectional Anatomy (OMCSA K-anatomy) is probably one of the most user-friendly and convenient online interface for human anatomy atlas. Anatomies like brain, temporal bone/internal auditory meatus, nasopharynx, orbit, paranasal sinuses, cranial nerves, temporomandibular joint, neck, brachial plexus, spine, shoulder, arm, elbow, forearm, wrist, hand, finger, thumb, thorax/lung, coronary arteries, abdomen, pelvis, hip, thigh, knee, leg, ankle, foot, angiogram, etc. are included.
- Course related:
- HTI5701 Multiplanar Anatomy
- Subjects:
- Medical Imaging and Physics
- Keywords:
- Tomography Human anatomy Magnetic resonance imaging
- Resource Type:
- Others
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Others
Welcome to the BioNinja Website – your one-stop resource for everything IB Biology related! This website is designed specifically for the new IB Biology syllabus (2016 –) This site is still under development, so new features will be periodically added This site was optimised for Safari – certain features may not work on other browsers For access to the old website (2009 – 2015 syllabus), click here
- Course related:
- ABCT1102 General Biology
- Subjects:
- Biology
- Keywords:
- Biology
- Resource Type:
- Others
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Others
Physics is the study of matter, motion, energy, and force. Here, you can browse videos, articles, and exercises by topic. We keep the library up-to-date, so you may find new or improved material here over time.
- Course related:
- AP10001 Introduction to Physics
- Subjects:
- Physics
- Keywords:
- Physics
- Resource Type:
- Others
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Others
Numerical methods are techniques to approximate mathematical procedures (e.g., integrals). Approximations are needed because we either cannot solve the procedure analytically (e.g., the standard normal cumulative distribution function) or because the analytical method is intractable (e.g., solving a set of a thousand simultaneous linear equations for a thousand unknowns). By end of this course, participants will be able to apply the numerical methods for the following mathematical procedures and topics: differentiation, nonlinear equations, and simultaneous linear equations, interpolation, regression, integration, and ordinary differential equations. Additionally, they will be able to calculate errors and implement their relationship to the accuracy of the numerical solutions. To be prepared for this course, students should have a passing grade in introductory physics, integral calculus, differential calculus, and ordinary differential equations.
- Course related:
- BSE3302 Computer Methods in Building Services Engineering
- Subjects:
- Mathematics and Statistics
- Keywords:
- Numerical analysis Numerical calculations
- Resource Type:
- Others
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Others
Agent based modeling focuses on the individual active components of a system. This is in contrast to both the more abstract system dynamics approach, and the process-focused discrete event method. With agent based modeling, active entities, known as agents, must be identified and their behavior defined. They may be people, households, vehicles, equipment, products, or companies, whatever is relevant to the system. Connections between them are established, environmental variables set, and simulations run. The global dynamics of the system then emerge from the interactions of the many individual behaviors. AnyLogic combines professional discrete event, system dynamics, and agent based modeling in one platform for efficient, no compromise results. In our white paper, Multimethod Simulation Modeling for Business Applications, we investigate these three main simulation modeling approaches and construct a multimethod model example to illustrate the advantages of multimethod simulation modeling. Read the white paper and see why hybrid models are always a better choice!
- Course related:
- CE631 Simulation and IT Applications in Construction
- Subjects:
- Business Information Technology and Computing
- Keywords:
- Computer simulation Multiagent systems System analysis -- Data processing
- Resource Type:
- Others
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Others
Fuzzy Logic Toolbox™ provides MATLAB® functions, apps, and a Simulink® block for analyzing, designing, and simulating systems based on fuzzy logic. The product guides you through the steps of designing fuzzy inference systems. Functions are provided for many common methods, including fuzzy clustering and adaptive neurofuzzy learning. The toolbox lets you model complex system behaviors using simple logic rules, and then implement these rules in a fuzzy inference system. You can use it as a stand-alone fuzzy inference engine. Alternatively, you can use fuzzy inference blocks in Simulink and simulate the fuzzy systems within a comprehensive model of the entire dynamic system.
- Course related:
- SD5804 Design Research Methods
- Subjects:
- Computing and Mathematics and Statistics
- Keywords:
- Fuzzy systems Fuzzy logic
- Resource Type:
- Others
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Others
4RealSim serves its customers by providing Dassault Systemes’ SIMULIA products (Abaqus, Isight, Tosca, fe-safe, Simpack, XFLOW), VCollab and HyperSizer.
4RealSim offers high-quality Finite Element engineering services to assess, validate and optimize the response of products, assemblies and processes.
4RealSim offers training and mentoring to learn the analysis tools and improve FEA methodologies. Trainings are available online or organized in class rooms.
4RealSim offers customer-tailored and regulatory compliant Computer Modelling & Simulation services for the life-science and medical-device industry.
- Subjects:
- Business Information Technology and Computing
- Keywords:
- Abaqus (Electronic resource) Finite element method
- Resource Type:
- Others
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Others
Learners use trigonometry to calculate angular input forces involving Class 2 mechanical levers.
- Subjects:
- Physics
- Keywords:
- Levers Force energy
- Resource Type:
- Others
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Others
In this animated object, learners examine the formation of ester bonds in the synthesis of lipids using triglyceride biosynthesis as an example. Ester bond formation is described as a dehydration synthesis reaction.
- Subjects:
- Chemistry
- Keywords:
- Organic compounds Esters
- Resource Type:
- Others
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Others
Learners examine a table containing the names of common cations and anions.
- Subjects:
- Chemistry
- Keywords:
- Ionic structure Ions
- Resource Type:
- Others
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Others
In this interactive and animated object, students distribute the valence electrons in simple covalent molecules with one central atom. Six rules are followed to show the bonding and nonbonding electrons in Lewis dot structures. The process is well illustrated with eight worked examples and two interactive practice problems.
- Subjects:
- Chemistry
- Keywords:
- Chemical bonds Valence (Theoretical chemistry)
- Resource Type:
- Others
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Others
In this well-illustrated activity, learners examine the three types of intermolecular forces: dipole-dipole forces, London or Van der Waals forces, and the hydrogen bond. Two interactive questions are included.
- Subjects:
- Chemistry
- Keywords:
- Intermolecular forces Molecules
- Resource Type:
- Others
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Others
Boyle's Law states that gas volume varies inversely with the pressure at constant temperature and is described by the equation PV = constant. An example of a sample of gas at two conditions of P and V is used to illustrate the law.
- Subjects:
- Chemistry
- Keywords:
- Boyle's law Gas laws (Physical chemistry)
- Resource Type:
- Others
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Others
In this interactive lesson, students examine the quantitative relationship between chemicals in a balanced mathematical equation.
- Subjects:
- Chemistry
- Keywords:
- Stoichiometry
- Resource Type:
- Others
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Others
In this animated and interactive object, learners examine kinetic and potential energy as well as the first law of thermodynamics and the flow of energy between a system and its surroundings. Students also answer questions about exothermic and endothermic reactions
- Subjects:
- Chemistry
- Keywords:
- Chemical processes Chemical reactions
- Resource Type:
- Others
-
Others
Students practice identifying common elements from the periodic table by name or symbol.
- Subjects:
- Chemistry
- Keywords:
- Periodic table of the elements Chemical elements
- Resource Type:
- Others
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Others
In this interactive object, learners determine the limiting reagent and the excess reagent in chemical reactions. Learners test their knowledge by solving three problems.
- Subjects:
- Chemistry
- Keywords:
- Chemical processes Chemical reactions
- Resource Type:
- Others
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Others
Learners examine how chemists use moles to "count" atoms by weight. Examples are given.
- Subjects:
- Chemistry
- Keywords:
- Mole (Chemistry) Chemical elements Avogadro's law
- Resource Type:
- Others
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Others
Students read an explanation of chemical formulas in this animated activity. A quiz completes the object.
- Subjects:
- Chemistry
- Keywords:
- Chemistry -- Mathematics Chemical structure
- Resource Type:
- Others
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Others
Students read different definitions of "acids" and "bases." In an interactive exercise, they identify if a substance is an acid or a base.
- Subjects:
- Chemistry
- Keywords:
- Acids Bases (Chemistry)
- Resource Type:
- Others
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Others
Learners examine how melting, vaporization, and sublimation require energy input while freezing and condensation release energy.
- Subjects:
- Chemistry
- Keywords:
- Thermodynamics Phase transformations (Statistical physics)
- Resource Type:
- Others
-
Others
Learners use the coefficients in a balanced equation to develop the mole ratios of reactants and products involved in the reaction. Five interactive examples illustrate the method, and students test their knowledge by working four problems.
- Subjects:
- Chemistry
- Keywords:
- Chemical reactions Chemical equations
- Resource Type:
- Others
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Others
In this animated object, learners examine the formation of peptide bonds through dehydration synthesis.
- Subjects:
- Chemistry
- Keywords:
- Peptides -- Synthesis Amino acids
- Resource Type:
- Others
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Others
Learners examine a table of common polyatomic ions. Eight examples are provided for practice.
- Subjects:
- Chemistry
- Keywords:
- Chemical processes Chemical reactions
- Resource Type:
- Others
-
Others
In this animated object, learners examine the chemistry behind table salt.
- Subjects:
- Chemistry
- Keywords:
- Chemical bonds Molecular structure Chemical structure
- Resource Type:
- Others
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Others
Students examine atomic structure and the octet rule.
- Subjects:
- Chemistry
- Keywords:
- Molecular structure Chemical structure
- Resource Type:
- Others
-
Others
In this animated object, students examine what happens when electrons share molecules.
- Subjects:
- Chemistry
- Keywords:
- Chemical bonds
- Resource Type:
- Others
-
Others
In this screencast, learners examine the kinds of physical and chemical changes that occur in substances.
- Subjects:
- Chemistry
- Keywords:
- Chemical processes Chemical reactions Physical sciences
- Resource Type:
- Others
-
Others
Learners examine phase diagrams that show the phases of solid, liquid, and gas as well as the triple point and critical point.
- Subjects:
- Chemistry
- Keywords:
- Phase diagrams
- Resource Type:
- Others
-
Others
Vapor pressure is the pressure exerted by molecules in the gas phase in equilibrium with a liquid or a solid. Two examples are used to illustrate vapor pressure: the drying of clothes and the evaporation of ice.
- Subjects:
- Chemistry
- Keywords:
- Vapor pressure
- Resource Type:
- Others
-
Others
Learners examine the meaning of oxidation, reduction, and half-reaction, and watch a film showing the deposition of copper metal from the reduction of copper (II) ion by aluminum. A brief quiz completes the activity.
- Subjects:
- Chemistry
- Keywords:
- Reduction (Chemistry) Chemical reactions Oxidation Oxidation-reduction reaction
- Resource Type:
- Others
-
Others
Learners convert units used to designate pressure. Units for pressure are atm, mm Hg, torr, and pascal.
- Subjects:
- Chemistry
- Keywords:
- Natural gas -- Measurement
- Resource Type:
- Others
-
Others
In this animated object, students are introduced to moles as a measurement.
- Subjects:
- Chemistry
- Keywords:
- Mole (Chemistry)
- Resource Type:
- Others
-
Others
Learners examine the method for calculating the atomic weight of copper from the natural percent composition of each of its two isotopes.
- Subjects:
- Chemistry
- Keywords:
- Chemical elements Atomic weights Copper
- Resource Type:
- Others
-
Others
In this interactive and animated object, learners use solubility rules to predict when an insoluble ionic compound will precipitate in a double replacement reaction. Step-by-step examples are given.
- Subjects:
- Chemistry
- Keywords:
- Chemical reactions Solution (Chemistry)
- Resource Type:
- Others
-
Others
Roman numerals are used to identify the charges on metal cations having multiple oxidation states. Five examples are provided for practice.
- Subjects:
- Chemistry
- Keywords:
- Ionic structure Ions
- Resource Type:
- Others
-
Others
Learners examine how vapor pressure is calculated. The vapor pressure of a liquid increases with increasing temperature. If the heat of vaporization and the vapor pressure at one temperature are known, the vapor pressure at a second temperature can be calculated.
- Subjects:
- Chemistry
- Keywords:
- Vapor pressure
- Resource Type:
- Others
-
Others
Learners read definitions of atomic symbols, atomic numbers, and mass numbers and then answer questions about the number of neutrons, protons, and electrons in select elements.
- Subjects:
- Chemistry
- Keywords:
- Periodic table of the elements Chemical elements
- Resource Type:
- Others
-
Others
In this interactive object, learners calculate formula and molecular weights by working through five examples and two problems.
- Subjects:
- Chemistry
- Keywords:
- Molecular weights Atomic weights
- Resource Type:
- Others
-
Others
In this animated object, learners examine how gas volume varies directly with absolute temperature (K at constant pressure). An example of a sample of gas at two conditions of volume and temperature is used to illustrate the law.
- Subjects:
- Chemistry
- Keywords:
- Charles' law Gas laws (Physical chemistry) Gase -- Thermal properties
- Resource Type:
- Others
-
Others
Learners examine how the boiling point increases with increasing pressure. An example from industry is given.
- Subjects:
- Chemistry
- Keywords:
- Boiling-points
- Resource Type:
- Others
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Others
Learners examine graphs and read that the heat of fusion is the heat energy absorbed by one mole of solid as it is converted to liquid, while the heat of vaporization is the heat energy absorbed by one mole of liquid as it is converted to gas.
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Others
In this animated and interactive object, learners follow two rules to write unit conversion fractions.
- Keywords:
- Metric system Units of measurement
- Resource Type:
- Others
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Others
Learners view an animation showing how the volume of a given quantity of gas varies directly with its temperature.
- Subjects:
- Chemistry
- Keywords:
- Charles' law Gas laws (Physical chemistry) Gase -- Thermal properties
- Resource Type:
- Others
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Others
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Others
Learners study the effect that pressure has on boiling temperatures. Once a liquid has reached a full boil, additional heat does not raise the liquid’s temperature; however, pressure can vary the boiling point of a liquid. A brief quiz completes the activity.
- Subjects:
- Chemistry
- Keywords:
- Heat -- Transmission Pressure Boiling-points
- Resource Type:
- Others
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Others
Learners read the definition of atomic weight and obtain the weights of elements by viewing the Periodic Table and charts that list atomic weights by name or symbol.
- Subjects:
- Chemistry
- Keywords:
- Periodic table of the elements Chemical elements Atomic weights
- Resource Type:
- Others
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Others
In this colorful, interactive object, learners examine how materials on the nanoscale compare with those on the macroscale. The focus is on the difference between macroscale and nanoscale gold in both color and melting point.
- Subjects:
- Chemistry
- Keywords:
- Nanoscience
- Resource Type:
- Others
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Others
Students examine standard pressure in this interactive object.
- Subjects:
- Chemistry
- Keywords:
- Boyle's law Gas laws (Physical chemistry)
- Resource Type:
- Others
-
Others
In this animated object, students examine the role equilibrium plays in everyday life. Formulas are presented in an interactive way.
- Subjects:
- Chemistry
- Keywords:
- Chemical equilibrium
- Resource Type:
- Others
-
Others
Learners view illustrations showing the direct dependence of the volume of a gas on temperature and consider the relationship between the Kelvin and Celsius temperature scales.
- Subjects:
- Chemistry
- Keywords:
- Temperature Low temperatures
- Resource Type:
- Others
-
Others
In this animated object, students examine the role that the solubility of water plays in various biological functions.
- Subjects:
- Chemistry
- Keywords:
- Water chemistry
- Resource Type:
- Others
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Others
Learners assign oxidation numbers to atoms in neutral compounds and in polyatomic ions. Six examples are worked through in detail, and three problems are provided.
- Subjects:
- Chemistry
- Keywords:
- Reduction (Chemistry) Chemical reactions Oxidation Oxidation-reduction reaction
- Resource Type:
- Others
-
Others
Learners observe that the melting of a solid and the freezing of its liquid occur at the same temperature. The melting point is an intrinsic property and is used to identify a substance.
- Subjects:
- Chemistry
- Keywords:
- Melting points Freezing points
- Resource Type:
- Others
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Others
Ions are electrically charged particles obtained from an atom or from a chemically bonded group of atoms by adding or removing electrons. Eight examples illustrate the number of protons, neutrons, and electrons in positive ions (cations) and in negative ions (anions).
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Others
In this well-illustrated object, learners examine the structures and properties of the four types of solids: molecular, metallic, ionic, and covalent network. Five interactive questions are provided.
- Subjects:
- Chemistry
- Keywords:
- Solid state chemistry
- Resource Type:
- Others
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Others
Learners follow a four-step process to determine the empirical formula of a compound from the masses of its constituent elements. The molecular formula is determined in a fifth step using the molecular weight of the compound.
- Subjects:
- Chemistry
- Keywords:
- Molecular weights Chemistry Physical theoretical
- Resource Type:
- Others
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Others
Students identify the parts of a triple beam balance and practice measuring the mass of objects.
- Subjects:
- Chemistry
- Keywords:
- Weights measures Balances (Weighing instruments)
- Resource Type:
- Others
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Others
Learners view an explanation of how to read a graduated cylinder by measuring the lowest portion of the meniscus. A quiz completes the activity.
- Subjects:
- Chemistry
- Keywords:
- Volume (Cubic content) Weights measures
- Resource Type:
- Others
-
Others
Learners view an animated presentation showing how the pH level of a cleaning solution is controlled in a closed-loop system in a manufacturing setting. A quiz completes the activity.
- Subjects:
- Chemistry
- Keywords:
- Hydrogen-ion concentration
- Resource Type:
- Others
-
Others
Learners observe that the volume of one mole of any gas is 22.4 L at standard temperature and pressure. An illustration shows that only the mass of the molar volume differs with the identity of the gas.
- Subjects:
- Chemistry
- Keywords:
- Gases Molecular volume
- Resource Type:
- Others
-
Others
Learners examine the periodic table to identify metallic elements that have either fixed or variable oxidation states.
- Subjects:
- Chemistry
- Keywords:
- Reduction (Chemistry) Chemical reactions Oxidation Oxidation-reduction reaction
- Resource Type:
- Others
-
Others
In this interactive object, the learner practices identifying charges on ions.
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Others
In this interactive object, learners use the ideal gas law to solve a practice problem.
- Subjects:
- Chemistry
- Keywords:
- Gas laws (Physical chemistry)
- Resource Type:
- Others
-
Others
In this interactive object, students examine a type of chemical bond known as the "hydrogen bond."
- Subjects:
- Chemistry
- Keywords:
- Hydrogen bonding
- Resource Type:
- Others
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Others
Learners combine Boyle's Law and Charles's Law to solve for the pressure, volume, and temperature of a gas sample under two sets of conditions.
- Subjects:
- Chemistry
- Keywords:
- Boyle's law Charles' law Gas laws (Physical chemistry)
- Resource Type:
- Others
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Others
Learners complete an exercise to match chemical formulas with the names of binary compounds, tertiary compounds, and ions.
- Subjects:
- Chemistry
- Keywords:
- Ionic structure Ions
- Resource Type:
- Others
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Others
In this animated activity, learners examine what gases are composed of and how their particles interact. They also consider several assumptions that form the basis for the Kinetic Theory of Gases.
- Subjects:
- Chemistry
- Keywords:
- Kinetic theory of gases Gas dynamics
- Resource Type:
- Others
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Others
Students solve a molarity problem in a drag and drop exercise.
- Subjects:
- Chemistry
- Keywords:
- Chemical reactions Solution (Chemistry)
- Resource Type:
- Others
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Others
Learners view movie clips to determine the solubility of two ionic compounds. They also examine a solubility chart and predict the solubility of compounds.
- Subjects:
- Chemistry
- Keywords:
- Chemical reactions Solubility
- Resource Type:
- Others
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Others
In this animated object, learners view hydrogen and hydroxide ions in a solution. A brief quiz on the basic principles of the term pH completes the activity.
- Subjects:
- Chemistry
- Keywords:
- Hydrogen-ion concentration
- Resource Type:
- Others
-
Others
In this brief object, learners examine the direct relationship between the volume of a gas sample and the number of moles of gas. A problem is presented so students can test their knowledge of Avogadro's Law.
- Subjects:
- Chemistry
- Keywords:
- Natural gas -- Measurement
- Resource Type:
- Others
-
Others
Learners calculate gas density from the standard molar volume and observe how the density increases with the increasing molecular weight of the gas.
- Subjects:
- Chemistry
- Keywords:
- Natural gas -- Measurement
- Resource Type:
- Others
-
Others
In this interactive object, learners examine how to properly dilute hydrochloric acid.
- Subjects:
- Chemistry
- Keywords:
- Hydrochloric acid
- Resource Type:
- Others
-
Others
In this animated and interactive object, learners examine ABO blood antigens and Rh antigens and their compatibility.
- Subjects:
- Health Sciences, Human Biology, and Medical Laboratory Science
- Keywords:
- Bood groups
- Resource Type:
- Others
-
Others
In this interactive object, learners examine the structure and function of the sense of taste.
- Subjects:
- Health Sciences and Human Biology
- Keywords:
- Taste
- Resource Type:
- Others
-
Others
In this interactive object, learners select the correct description of a child in the five stages of development in the following categories: pattern of growth, vital signs, organ development, vision and hearing, and developmental stage.
- Subjects:
- Health Sciences and Human Biology
- Keywords:
- Child development
- Resource Type:
- Others
-
Others
In this animated activity, learners examine the two major phases of cell division: mitosis and cytokinesis.
- Subjects:
- Medical Laboratory Science and Biology
- Keywords:
- Cytokinesis Mitosis Cell division
- Resource Type:
- Others
-
Others
In this animated object, learners view molecules as they collide and move between two different solutions. They also observe what happens when the temperature of the solutions is raised or lowered.
- Subjects:
- Medical Laboratory Science and Biology
- Keywords:
- Cells
- Resource Type:
- Others