The Chemical Basis of Life

Watch the 5 different pages of the presentation. Each page has 4 to six slides. You must click the arrow located on the bottom right corner to go to the next slide. Click the round-red number along the top to go to the next page of the lesson.

While you watch this, pay special attention to the following:

1. What is matter?

2. What is an atom and what are the parts of an atom?

3. What is a chemical reaction; what are its parts and how is it arranged?

4. What are the most important elements to living things?

5. What is a trace element?

6. What are the four most abundant elements found in living things?

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