Talal science 3

What role do solid particles in the air play in condensation?

• They heat the water vapor.

• They provide a surface for water droplets and ice crystals to collect on.

• They prevent the water vapor from condensing.

What is precipitation?

• Water that evaporates from the Earth's surface.

• Water that falls back to Earth in the form of rain, snow, hail, or sleet.

• Water that is stored in underground aquifers.

Where does precipitation collect once it falls to Earth?

• Only in oceans.

• In rivers, lakes, streams, and the soil.

• Only in the atmosphere.

What is the central idea of the 'Literacy Connection' section?

• The total amount of water on Earth is constantly changing.

• The total amount of water cycling through the Earth's system has remained fairly constant.

• The water we use today is different from the water that our ancestors used.

What percentage of water on Earth is salt water?

• 3%

• 50%

• 97%

Where is most of Earth's fresh water located?

• In lakes and rivers

• Frozen in glaciers and ice caps

• Underground

What is the largest ocean on Earth?

• Atlantic Ocean

• Indian Ocean

• Pacific Ocean

What is the process called when water runs off the surface into streams and lakes?

• Evaporation

• Runoff

• Groundwater flow

What form is most of the water found in the atmosphere?

• Liquid water

• Ice

• Water vapor

What is included in surface water?

• Only oceans and rivers

• All water found on the surface of the Earth

• Only lakes and ponds