Water on Earth Worksheet
Explore the water cycle, states of water, and water distribution on Earth with this Grade 8 science worksheet.
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Water on Earth
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Read each question carefully and answer to the best of your ability. Refer to the provided image for the water cycle questions.
Use the image of the water cycle to fill in the blanks:
1. The process by which water changes from a liquid to a gas is called .
2. When water vapor cools and turns back into liquid water droplets, it is called .
3. Water that falls back to Earth as rain, snow, sleet, or hail is called .
4. The process where plants release water vapor into the atmosphere is known as .
1. Which of the following is NOT a state of water found naturally on Earth?
Solid
Liquid
Plasma
Gas
2. At what temperature does pure water freeze at standard atmospheric pressure?
100°C
0°C
-10°C
32°C
1. Explain why only a small percentage of Earth's total water is available as freshwater for human use.
2. Name two major sources of freshwater on Earth.
1. Most of the Earth's surface is covered by land, not water.
True
False
2. Glaciers and ice caps hold the majority of Earth's freshwater.
True
False