Answer the following questions. You will receive immediate feedback when you select your answer or when you click on the green check mark (). When you are finished, click the How Did I Do? button to see your score.

1. How much of the earth's surface is covered by ocean water?
   
   

2. Rank the four oceans according to size. Which is the largest? Which is the smallest?
   
   

3. Which ocean do scientists know the most about?
   
   

4. How far south does the Indian Ocean stretch?
   
   

5. How is the Arctic Ocean different from the other three oceans?
   
   

6. Which ocean has no areas located in the midlatitudes?
   
   

7. What factors make the Pacific Ocean violent?
   
   

8. What is the definition of a “sea”?
   
   

9. What do the Atlantic Ocean and the Indian Ocean have in common that is different from the other two oceans?
   
   

10. What huge feature does the Pacific Ocean contain that is different from the other three oceans?