Earth's Water Supply/Distribution Practice

Earth's Water Practice

With SO much water covering Earth's surface, What's all the fuss about water shortages (water crisis?)

Where's all the Water?

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Salt Vs. Freshwater

Open Ended

Why is Most of Earth's TOTAL water supply not useable?

Open Ended

Why is most of Earths FRESHWATER supply not useable?

Fill in the Blank

Earth's surface is covered with approximately ______ % water.

Multiple Choice

How much of Earth's water is FRESH?

• 70%

• 30%

• 97%

• 3%

Multiple Choice

The majority of Earth's FRESHWATER is

• saltwater

• in lakes and rivers

• underground

• frozen

Multiple Choice

The majority of our DRINKING water comes from

• ice caps and glaciers

• groundwater

• lakes and rivers

• the ocean

Fill in the Blank

Less than _____ % of Earth's total water supply is useable.

Multiple Choice

The majority of the water in the world is stored in _______. 

• oceans
• the atmsosphere
• the ground
• rivers

Multiple Choice

There is more freshwater than any other type on earth.

• True

• False

Multiple Choice

Which of the following water sources can you NOT drink from?

• rivers

• fresh water lakes

• oceans

• ground water

Multiple Choice

How much of Earth's freshwater is frozen in icebergs.

• 69%

• 20%

• 2%

• 1%

Multiple Choice

Where is most of the freshwater found on Earth?

• lakes
• glaciers
• oceans
• rivers

Multiple Choice

The supply of freshwater under the Earth's surface.

• watershed
• mouth
• headwaters
• groundwater

Multiple Choice

Which bar graph (A - D) would BEST represent the amount of salt water compared to the amount of fresh water on Earth (salt water is the light colored bar and fresh water is the dark green)?

• A

• B

• C

• D

Multiple Choice

Which type of graph is best for showing the size of individual pieces of a whole (such as percentages of ocean water vs other types of water)?

• Bar graph

• Line graph

• Pie graph

• Pictograph

Multiple Choice

What must happen for fresh groundwater to be used by humans?

• Salt must be removed from it

• Ice must be melted into a liquid

• Fresh groundwater must be pumped up from the ground

Multiple Choice

What percent of Earth's freshwater is available for humans to use?

• 3

• less than 1

• 97

• 10

Open Ended

What are the benefits of irrigation practices? Think about it!!

Multiple Select

Are you tracking your personal water use?

• Yes Ms. Poole!

• Of course I am!

• No I keep forgetting

• I actually don't care - I'll take a zero

Multiple Choice

What definition BEST describes a watershed?

• An area where water infiltrates the soil

• An area where aquatic plants and animals thrive

• An area where snow melts and changes into liquid water

• An area that collects precipitation and drains it to the lowest point