Introduction To Earth’s Systems

_____ cycle: continuous process of water moving through the spheres; driven by energy of the sun and ______

Plants take in water through roots and give off water through leaves by what?

• transpiration

• tributaries

• salinty

• condensation

What percent of the ocean is saltwater and what percent of the ocean is freshwater?

• 3% is saltwater & 97% is fresh water

• 50% is freshwater and the other half is saltwater

• 3% is freshwater and 97% is salt water

• 92% is salt water and 7% is fresh water

______: water vapor (gas form of water) cools to become liquid water ~ this is how precipitation (rain) happens

What are the 4 oceans?

• African, Indian, Arctic, Pacific (largest)

• Atlantic, Indian, Pacific (largest), Arctic

• American, African, Indian, Pacific (largest)

• Arctic, Indian, American (largest), pacific

__________ causes tiny streams to flow downhill

What are watersheds?

• land area that supplies water to a river

• streams/ small rivers that flow downhill

• The total amount of dissolved water

• what plants take in

2/3 of freshwater is ice and what else?

• tributaries

• glaciers

• watersheds

• precipitation

What are tributaries?

• streams/ small rivers that feed to a main river

• Underground layer of rock or sediment

• volcanic mountain in ocean

• sleep edge of continental shelf

Watersheds are separated from a _____