Protecting Earth’s Water

What percentage of Earth’s water is freshwater?

• 75%
• 3%
• 1%
• 97%

Tags

NGSS.MS-ESS2-4

Why are clouds a key element of the water cycle?

• Clouds increase amount of water on the planet

• Clouds protect land from sunlight

• Clouds lower temperature of the air

• Clouds transport water from one part of the planet to another

Tags

NGSS.MS-ESS2-4

Where is most water found on Earth?

• glaciers
• lakes
• rivers
• oceans

Tags

NGSS.MS-ESS2-4

Which source of energy evaporates the most water from Earth’s surface?

• sound energy

• solar energy

• wind energy

• electricity

Tags

NGSS.MS-ESS2-4

Which process occurs when liquid water changes into water vapor?

• evaporation

• condensation

• precipitation

• runoff

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Which process occurs when water vapor changes into liquid water?

• evaporating

• condensing

• precipitating

• runoff

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

What is the process of water droplets, ice crystals, or hail, falling from the sky?

• evaporation

• condensation

• precipitation

• runoff

Tags

NGSS.MS-ESS2-4

What is water that flows from rivers and streams into the oceans and lakes?

• evaporating

• condensing

• precipitating

• runoff

Tags

NGSS.MS-ESS2-4

Which of the following is an example of condensation?

• clouds forming

• ocean water changing to water vapor

• water flowing down a river

• underground water soaking into soil

Tags

NGSS.MS-ESS2-4

How does water vapor return to Earth?

• evaporates and blown by the wind

• evaporates and forms clouds

• condenses then precipitates

• sticks to any warm surface

Tags

NGSS.MS-ESS2-4