Water Quiz

What is the layer of water on Earth called?

• Biosphere

• Hydrosphere

• Atmosphere

• Lithosphere

What percentage of Earth's water is salty?

• 25%

• 3%

• 97%

• 50%

How much of Earth's water is fresh?

• 97%

• 50%

• 3%

• 10%

Where is most of the fresh water found?

• In the atmosphere

• In rivers

• In glaciers

• In lakes

What is one way water can be polluted?

• By rain

• By chemicals

• By sunlight

• By wind

What type of pollution is caused by bacteria?

• Plastic

• Thermal

• Biological

• Chemical

What happens when hot water is released into rivers?

• It cleans the water

• It causes thermal pollution

• It cools down

• It makes fish happy

What are small pieces of plastic in the water called?

• Plastics

• Microplastics

• Nanoplastics

• Macoplastics

What is one function of water in the climate?

• It regulates temperature

• It makes it rain

• It makes clouds

• It creates wind

What is the process of water moving around the Earth called?

• Water stream

• Water path

• Water flow

• Water cycle