11) What is the largest ocean on Earth?
12) How deep is the deepest point of the ocean?
13) What is the average temperature of the ocean?
14) What is the unit of measure for water depth in the ocean?
15) What type of waves are most common in the ocean?
16) Which animal is the fastest swimmer in the ocean?
17) Which of these animals lives at the deepest level of the ocean?
18) What is the smallest ocean on Earth?
19) What type of organism is a sponge?
20) How much of the Earth's surface is covered by oceans?