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Chapter 2: Matter

Electron Energy Levels in Atoms
The model of the atom that we use today is the result of the work of many scientists. What was Niels Bohr’s contribution to the study of electrons?

Mixtures
Experiment with making your own mixture. What materials will you use?

How might you separate your mixture back into its original parts?

Unit 1: The Nature of Matter

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CHEM 4 KIDS
Visit this chemistry web site to learn more about the states of matter. What is the difference between a physical and a chemical force? Which of these types of forces can change states of matter?

Diving into Math and Science
Learn about transverse waves at this site. Do the practice questions to check your understanding.

University of Cincinnati: Department of Physics
At this site you can view animated illustrations of how images are formed by spherical mirrors.

Brigham Young University
Go to this web site and view a demonstration of the refraction of light. What happens to light waves that enter water from the air? What if the second medium is glycerine instead of water?