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- 1. Multiple Choice
What percentage of Earth's fresh water that is not frozen
97%
1%
100%
3%
- 2. Multiple Choice
Which of the following are types of freshwater that can be used by people?
Select THREE answers that are true.
groundwater
ice caps and glaciers
oceans
rivers
lakes
- 3. Multiple Choice
What happens once groundwater reaches a layer of rock in the ground that it cannot pass through?
it is soaked up by that layer of rock and dirt
it creates an aquifer
it creates a reservoir
it evaporates
- 4. Multiple Choice
People get fresh water from
reservoirs
lakes and rivers
pumping groundwater up from aquifers using wells
all of the above
- 5. Multiple Choice
Why does groundwater usually require less treatment than surface water?
The layers of Earth protect groundwater from pollutants.
As groundwater sinks into the ground, the layers of rock act like a natural filter and remove pollutants from the water.
Surface water has more exposure to pollutants in runoff and the atmosphere.
all of the above
- 6. Multiple Choice
What is the energy source for the water cycle?
sun
wind
rain
oceans
- 7. Multiple Choice
What are clouds made of?
dry air
water
- 8. Multiple Choice
What are the main components of the water cycle?
Select all that apply.
runoff
transpiration
evaporation
condensation
precipitation
- 9. Multiple Choice
What type of precipitation will fall if the temperature is 0 degrees celsius, but the precipitation freezes along the way to Earth's surface?
rain
snow
sleet
hail
- 10. Multiple Choice
Which statement correctly describes how clouds are formed?
Choose the best two answers.
Clouds form when a large block of ice is frozen in the sky.
Clouds form when a solid changes directly to a gas through sublimation.
Clouds form when water vapor condenses around tiny specks of dirt in the air.
Clouds form when water vapor evaporates from a lake, river, puddle, or ocean.
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