Module 2 Lesson 2 Earth's Water

What percentage of Earth's water is fresh water?

• 3%
• 97%

• <1%
• 70%

Water that moves from bodies of water, land and living things to the atmosphere and back to Earth's surface is the

• habitat
• evaporation
• Water Cycle
• condensation

Most of Earth's fresh water is in the form of

• liquid
• water vapor
• clouds
• ice

Earth is called the blue planet because

• About 70% of Earth's surface is covered by water - large bodies of water (oceans)
• The sky is blue
• The atmosphere is large
• It is covered mostly by land

What percentage of Earth's fresh water is available for human use?

• 3%
• <1%
• 70%
• 97%

Plants give off water vapor through their leaves in a process called

• transportation
• condensation
• photosynthesis
• transpiration

What is one similarity of ponds and lakes

• both are still or standing water
• both are fresh water
• both are habitats for organisms
• All of the above

What happens when the drops in clouds get heavy?

• They fall as rain

• they evaporate

• they go away

Most of the earth's frozen water can be found at...

• mountains

• Alaska

• North and South Pole

The sun's energy causes

• liquid water to freeze

• liquid water to evaporate

• fresh water to change to salt water