The Importance of Water — Unit test

Question 1

Which statement best explains why water is known as the universal solvent?

Revolt · Accepted Answer

Water has the ability to dissolve more substances than any other liquid.

Question 2

Look at the data below. Water Levels in the Ogallala AquiferBased on this data, predict what will happen to the water in the Ogallala aquifer over the next decade.

Revolt · Accepted Answer

The water will continue to decrease.

Question 3

Which statement best explains why water is essential for all living things?

Revolt · Accepted Answer

Water is necessary for cellular functions.

Question 4

By which process do plants lose their water to the atmosphere?

Revolt · Accepted Answer

transpiration

Question 5

Which is least likely to be a reservoir for fresh water?

Revolt · Accepted Answer

ocean

Question 6

In the water cycle shown below, which process is happening at step 3?

Revolt · Accepted Answer

precipitation

Question 7

Which best explains the surface tension of water?

Revolt · Accepted Answer

cohesion

Question 8

The table below shows the saturated thickness (water level) in five-year intervals.Water Levels in the Ogallala AquiferIf water continues to be used at the current rate, what will the saturated thickness be in 2020?

Revolt · Accepted Answer

8–10 meters

Question 9

Which type of bond forms between water molecules?

Revolt · Accepted Answer

hydrogen bond

Question 10

Which bonds are found inside a water molecule, between hydrogen and oxygen?

Revolt · Accepted Answer

covalent bonds

The Importance of Water — Unit test Answers

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