1. What was the name of the so-called Supercontinent?

1. Continental Drift
2. Pangaea

2. Scientists believe that the Supercontinentent was formed _______ years ago:

1. 2 million
2. 200 million

3. Transform Plate boundaries _______________ each other:

1. slide past
2. move towards

4. If the Earth's plates move 1.5 inches each year, approximately how many inches will they move in 36 years?

1. 25 inches
2. 58 inches

5. What is the best evidence supporting the theory of the Supercontinent?

1. similar rock formations
2. similar plants

6. Which volcanoes have layers of cinder between layers of lava?

1. cinder cones
2. composite cones

7. After a shield volcano erupts, it usually is:

1. a little higher because most of the lava runs down the side of the volcano
2. lower because the top of the volcano will cave in

8. Composite cones are often bigger than Cinder Cones because:

1. they are older and have more time to grow
2. the hard lava keeps them from wearing away fast

9. Mt. McKinley, in Alaska, is one of the world's highest volcanoes. From its size we can tell that:

1. everything in Alaska is big
2. Mt. McKinley is a Cinder Cone

10. How many people die each year because of earthquakes?

1. about 15,000 people
2. about 20,000 people
3. about 25,000 people

11. How many city blocks were burned in the 1906 San Francisco earthquake?

1. more than 500 blocks
2. about 600 blocks
3. less than 400 blocks

12. What was the biggest earthquake recorded in the 1900's?

1. 8.1 in San Francisco, California
2. 9.7 in Southern Chile
3. 9.5 in Queensland, Australia

13. What disasters are caused by earthquakes?

1. typhoons
2. hurricanes
3. Volcanic eruptions

14. What should you do in an earthquake?

1. Run outside into the street
2. Take cover inside the fire place
3. Lay under a table

15. How often does a dramatic earthquake occur?

1. 50 years
2. once a year
3. 5 years