Unit 4 Review

Topic 1:
Water

Fill in the Blanks

Earth is nicknamed the

planet because it is mostly covered with water.

Fill in the Blanks

In fact, the earth is approximately

% water and 30% land.

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Of all that water,

% is salt water.

Fill in the Blanks

That means, only 3% of all the water is

.

Fill in the Blanks

Even still, only _% of the freshwater is easily accessible to for humans to use.

Fill in the Blanks

The majority is locked away in ice caps and

. This is why, though it seems like we have a lot of water, we need to use it wisely.

Match

Match the following

• Water vapor turning into water droplets forming clouds.

• Liquid water heating up and turning into water vapor

• Water in any form falling from the sky

• Water vapor released by plants during respiration

Condensation

Evaporation

Precipitation

Transpiration

• Condensation

• Evaporation

• Precipitation

• Transpiration

Match

Match the following

• Water that collects in the soil or beneath the earth's surface.

• The continuous movement of water caused by the heat from the sun and gravity.

• Water which condenses with dust particles in the atmosphere.

• Draining from land into water from a higher elevation to a lower elivation.

Groundwater

The Water Cycle

Clouds

Runoff

• Groundwater

• The Water Cycle

• Clouds

• Runoff

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Draw

Create the water cycle! Be sure to include:

1. 1. Evaporation

2. 2. Condensation

3. 3. Precipitation

4. 4. Runoff

5. 5. Transpiration

6. 6. The Sun

7. AND anything else you can think of related to the water cycle.

Topic 2
The Ocean Floor

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Topic 3
Currents

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Topic 3
Waves and Tides

Labeling

Match the terms to

Drag labels to their correct position on the image

crest

wavelength

trough

wave height

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