Earth Quiz

1. What is the name of the largest ocean on earth?  
2. What are the two main metals in the earth’s core?
3. Which is hotter, the center of the earth or surface of the sun?
  4. What do you call molten rock before it has erupted?  
5. What do you call it after it has erupted?
6. True or false? You can see the Great Wall of China from space.
7. What do you call a person who studies rocks?
8. Name the three time periods of the dinosaurs.
9. True or false? The Grand Canyon is around 10000 feet (3000 meters) deep.  
10. What is the name of the deepest location in the world’s oceans?
11. Over a long period of time while under extreme heat and pressure, graphite turns into which precious mineral?  
12. Outside of Antarctica, what is the largest desert in the world?
13. The gemstone ruby is typically what color?
14. What is the name of the highest mountain on earth?
15. Do stalactites rise from the floor or hang from the ceiling of limestone caves?
16. 'Cascade', 'horsetail', 'plunge' and 'tiered' are types of what?  
17. Someone who studies earthquakes is known as a what?
18. What is the name of the layer of earth’s atmosphere that absorbs the majority of the potentially damaging ultraviolet light from the sun?
19. The mass of the earth is made up mostly of which two elements?  
20. What is the second most common gas found in the air we breathe?

Earth Quiz Answers
1. The Pacific Ocean 2. Iron and nickel 3. The center of the earth 4. Magma 5. Lava 6. True 7. A geologist 8. Triassic, Jurassic and Cretaceous 9. False - 5000 feet (1500 meters) 10. Mariana Trench 11. Diamond 12. The Sahara Desert in Africa 13. Red 14. Mount Everest 15. Hang from the ceiling 16. Waterfall 17. Seismologist 18. The ozone layer 19. Iron (32%) and oxygen (30%) 20. Oxygen (21%)