[Free Registration/Login may be required to access all resource tools.] In this online tutorial, students will begin to understand a substance according to its physical properties. Learn to distinguish between extensive and intensive...

[Free Registration/Login may be required to access all resource tools.] A large resource guide to online textbooks for chemistry. Includes several chemistry online texts with links to download the text to PDF, Kindle or Ipad.

[Free Registration/Login may be required to access all resource tools.] Students understand the mechanics of a simple pendulum, and solve problems involving a simple pendulum.

[Free Registration/Login may be required to access all resource tools.] Students investigate the conditions under which the enthalpy change in a reaction is equal to the heat absorbed or released. Then, they have the opportunity to write...

[Free Registration/Login may be required to access all resource tools.] Students will discover how an electrical potential is generated in an electrochemical cell, and then they will calculate the standard cell potentials from a table of...

[Free Registration/Login may be required to access all resource tools.] A collection of resources for exploring word problems using function models.

[Free Registration/Login may be required to access all resource tools.] What is photosynthesis? Students will review the process of photosynthesis, the light reaction, and the dark reaction (Calvin Cycle). Common misconceptions will be...

[Free Registration/Login may be required to access all resource tools.] Using images, examples, and videos, module describes how HIV causes AIDS and how it destoys the immune system.

[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to find the domain and range of inverse trigonometric functions by utilizing the reflection principle.

[Free Registration/Login may be required to access all resource tools.] Students examine the difference between uniform acceleration and average acceleration, and preform calculations using uniform acceleration.

[Free Registration/Login may be required to access all resource tools.] Students explore frequency and amplitude in terms of wave characteristics, and learn how the frequency and period of a wave are related.

[Free Registration/Login may be required to access all resource tools.] Students explore the relationship between heat and energy transfer, and learn about the three ways that heat can be transferred between objects of different...

[Free Registration/Login may be required to access all resource tools.] Students explore instantaneous velocity and how to calculate it. They also learn how interpret and create position vs time graphs.

[Free Registration/Login may be required to access all resource tools.] Students explore the differences between kinetic and potential energy, and understand how they are dependent on each other.

[Free Registration/Login may be required to access all resource tools.] Students explore the concept of energy as well as the idea of energy in motion, kinetic energy.

[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn ways to predict what type of ion a given element is likely to form.

[Free Registration/Login may be required to access all resource tools.] In this learning module, students will explore how the form of the periodic table is related to electron configurations, which in turn influences chemical reactivity.

[Free Registration/Login may be required to access all resource tools.] Students explain the workings of a mass spectrometer, and describe how this device is used to determine average atomic mass.

[Free Registration/Login may be required to access all resource tools.] In this module, students investigate amino acids, peptide bonds, and proteins. They also have the opportnity to discover the effect of an enzyme on a biochemical...

[Free Registration/Login may be required to access all resource tools.] Students explain the factors that stress a system at equilibrium and use Le Chatelier's principle to predict how the system will respond to each stress. They will...

[Free Registration/Login may be required to access all resource tools.] Students use a rate law to describe the concentration dependence of a reaction rate, and then determine the rate law for a reaction by analysis of experimental data....

[Free Registration/Login may be required to access all resource tools.] In this module, students will practice expressing the rates of chemical reactions, and they will also describe the collision theory as it relates to chemical reactions.

[Free Registration/Login may be required to access all resource tools.] How do trees help you breathe? This activity covers the connection between cellular respiration and photosynthesis and identifies the products and reactants of each.

[Free Registration/Login may be required to access all resource tools.] Do you know why oxygen is so important? Module provides a comparison of the advantages and disadvantages of aerobic and anaerobic respiration and discusses the role...