2. But first, answer the questions individually.

3. The hardest substance on Earth is quartz. your parent’s head. steel. granite. diamond.

4. The largest ocean on Earth is none of the above the Atlantic, and it is getting bigger. the Pacific, but it is getting smaller. the Atlantic, but it is getting smaller. the Pacific, and it is getting bigger.

5. There are ___ volcanoes that have perpetual lava lakes. none of the above Martian zero 206 four

6. A black hole None of the above does not exist. is the largest star known. has virtually no volume at all. is the fate of our sun.

7. Tornadoes can make the sky turn none of the above green. red. orange. yellow.

8. If Earth’s water was collected into a balloon, that balloon would be the size of none of the above Virginia. the moon. the Earth. the Sun.

9. Historically, the deadliest natural disasters are none of the above avalanche and landslides. tornadoes and hurricanes. volcanoes and earthquakes. forest fires and lightning.

10. Much of Earth’s oceans were formed none of the above when Mars collided with Earth. by meteorites that carried water droplets. when Earth first formed. by massive rain storms when humans first evolved.

11. Virginia’s most valuable ($) natural resource is dinosaur fossils. peanut butter. sea water. kyanite. coal.

12. The Earth is closer to the Sun during There is no change in distance throughout the year. summer. fall. winter. spring.

13. The universe is All of the above Finite. About 4.6 billion years old. No one knows. 13-14 billion years old.