Science- unit 4 Lesson 1

Which is true of rivers?

• They are made up of salt water

• They flow from a low place to a high place

• They can be short or long. They can be narrow or wide.

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Which body of water does not have all around it?

• Ocean

• Lake

• Pond

Which flows into other bodies of water?

• River

• Lake

• Pond

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Which is true of oceans?

• They flow into rivers.

• They are smaller than lakes.

• They are made of salt water.

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What happens to a lake when it is very cold outside?

• Ice changes to liquid water.

• Liquid water changes to ice.

• Liquid water stays the same.

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NGSS.MS-PS1-4

Look at the picture of a waterfall. What kind of water does this picture show?

• Salt water

• Pond water

• Fresh water

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Where is most water found on Earth?

• Lakes

• Oceans

• Rivers

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How are streams and rivers alike?

• Both have big waves.

• Both have fresh water.

• Both have water that does not flow.

Why did this pond freeze?

• The temperature fell below 32 degrees.

• The temperature went above 32 degrees.

• It is winter, and all ponds freeze in the winter.

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Why don't we see plants growing in the deep lakes?

• The water is too cold.

• The water is too deep for the roots and the sun to reach the bottom.

• The fish and turtles eat all of the plants.

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