Water Cycle by Khan Academy

What is the main factor responsible for the water cycle?

(USE lower case LETTERS)

After plants absorb the groundwater through their roots, some water may leave through their stomata. What is this process called?

• Evaporation

• Transpiration

• Condensation

• Runoff

Water vapor is formed when liquid water changes to a gas. This process is known as __.

(USE lower case LETTERS)

During the process of cloud formation, what does the liquid water droplets form around?

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How were rivers and lakes formed?

When the cloud becomes full of water droplets, what process occurs due to earth's gravitational pull?

(USE lowercase LETTERS)

What is a good indicator that the ground is saturated and can hold no more water?

(USE lowercase LETTERS)

What process in the water cycle is responsible for the formation of clouds?

• Evaporation

• Condensation

• Precipitation

• Infiltration

Identify the salt water on the earth?

• 97.5%

• 2.5%

• 68.9%

• 0.3%

• 30.8%

Identify the total various types of frozen water on earth.

• 97.5%

• 0.3%

• 30.8%

• 68.9%