Which word describes ocean water?
Which covers more of Earth, land or ocean?
The ocean has almost no living things in it.
Circle one: True False
Look at the picture. Which bar is bigger, ocean or land?
Sam has fresh tap water. How would ocean water taste compared with Sam's water?
Which of these animals lives in the ocean?
A world map is colored mostly blue, with a little green. What does most of the blue most likely show?
Leo's tap water is fresh. He says ocean water is just like his tap water. What needs correcting?