Name ____________________________________ Date ____________Period _____ Day

Bill Nye: FossilsAnswer the following questions in complete sentences.1. What are fossils? ____________________________________________________________

2. What percent of all living things that have ever been on Earth have disappeared? ____________________________________________________________

3. How do scientists know how old fossils are? ____________________________________________________________

4. Write seven things you learned.

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Name ____________________________________ Date ____________Period _____ Day

Bill Nye: Dinosaurs

Answer the following questions in complete sentences.1. How long ago did dinosaurs become extinct? ____________________________________________________________

2. How many years did dinosaurs survive? ____________________________________________________________

3. Give a theory about how the dinosaurs died? ____________________________________________________________

4. How are fossils formed? ____________________________________________________________

5. Write six things you learned.

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3.

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5.

6.