Distribution of Water on Earth Pop Quiz

Most of the water on Earth is located in ____.

• oceans

• rivers

• ice (glaciers and polar ice caps)

• lakes

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What percentage of water on Earth is saltwater?

• 50%

• 97%

• 33%

• 2.5%

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Which of the following types of freshwater are we able to use?

• glaciers

• polar ice caps

• ocean water

• groundwater

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Which of the following would NOT be considered a reservoir for water?

• ocean

• swimming pool

• polar ice caps

• groundwater

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Which pie chart best shows how water is distributed on Earth? (Red is fresh water and blue is salt water.)

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Your classmate has some misunderstandings about how water is stored on Earth. Choose THREE of the statements below that are not accurate.

• A meteor reaching Earth is more likely to hit water than land.

• Most of Earth’s water is drinkable.

• All of the lakes, streams, and ponds have more water than the oceans.

• 67% of freshwater is frozen.

• Thick ice that moves over land is called a polar ice cap.

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If most of Earth’s surface is covered in water, explain why there would be water shortages or droughts.

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A majority of Earth’s fresh water is found underground or in glaciers. Do you think we are able to use either of these types of water? Explain why or why not.

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Scientists are concerned about rising global temperatures. How might this impact how water is distributed on Earth?

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The ocean is so big, companies at one time felt it was safe to dump waste far out at sea. In 1988, this action was made illegal. What negative affects might ocean dumping have?

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