Teachers, save “Mass extinction” to assign it to your class.

1. Read through all of the pages to learn more about mass extinction. 2. You are going to do an experiment to investigate the size of a crater a travelling object produces when it impacts with another surface. 3. The pages in the activity explains what you need to do. 4. Record your results on page 1. 5. Graph your results on page 2. 6. Add photos of your crater on page 3.