Earth's Waters Unit Assessment Review

What two elements make up water?

• Hydrogen and Oxygen

• Hydrogen and H2O

• Nitrogen and Oxygen

• Hydrogen and Nitrogen

How many atoms of Hydrogen are in a water molecule?

• 0

• 1

• 2

• 3

What percent of the water on Earth is fresh?

• 15%

• 30%

• 5%

• 3%

Downward movement of water through soil

• Sublimation

• Transpiration

• Infiltration

• Precipitation

Any form of water that falls from clouds and reaches Earth's surface

• Sublimation

• Transpiration

• Infiltration

• Precipitation

Evaporation of water from the leaves of a plant

• Sublimation

• Transpiration

• Infiltration

• Precipitation

What part of the water cycle forms clouds?

• Evaporation

• Condensation

True or False: Water can only become a gas through evaporation.

• True

• False

What is a tributary?

• Water being a bully and dissolving other things

• The pathway that a stream follows

• An area of land that drains into a river

• A small stream that goes into a river

Porosity is the amount of ________________ in the soil.

• Open Space

• Water

• Dirt

• Plant Roots