Water Cycle and Water Pollution

Clouds are formed by

• Evaportation
• Convection
• Condensation
• Wind

When water vapor condenses it changes from a

• Gas to a liquid
• Gas to a solid
• Liquid to a gas
• Liquid to a solid

Which is the opposite of condensation?

• runoff
• evaporation
• precipitation
• transpiration

Clouds will only form when there is a solid that water vapor can stick to when cooling

• true
• false

When a liquid turn into a gas.

• Evaporation

• None of the above

• Liquid

• Condensation

Water in gas form.

• Condensation

• Water Vapor

• Purification

• Evaporation

Water that falls to the ground. Comes in 3 main forms: rain, snow, and hail.

• Precipitation

• Water Cycle

• Condensation

• Evaporation

What percentage of the Earth's water is fresh water

• 3%

• 6%

• 10%

• 7%

What percentage of fresh water is in the form of icebergs,permafrost, and glaciers?

• 97%

• 75%

• 65%

• 80%

What is the water cycle powered by

• Earth gravitational Pull

• Moon

• The Sun

• Solar System