WorksheetsEES Hydrology - Water Cycle
Total questions: 18
Worksheet time: 9mins
Why does the water cycle occur most frequently over the oceans?
Oceans are hotter than land.
Oceans have more evaporation than lakes.
Oceans cover most (70%) of the planet's surface.
Saltwater in the ocean leads to more evaporation.
Most of the water on earth is (there are multiple answers).
In oceans (and therefore has salt)
Unusable to humans for drinking water
In lakes, rivers, and other surface water.
In aquifers (groundwater).
_______% of the water on earth is freshwater.
97%
50%
3%
1%
How much of the water on earth is both FRESH and AVAILABLE to be used by humans?
97%
50%
3%
<1%
The majority of freshwater on earth is located in...
Glaciers
Groundwater
Oceans
Lakes & other surface water
Water that is _____ has less pollution because it has been filtered more.
Frozen
in aquifers (groundwater)
in oceans
rivers & lakes
Which is true about the amount of water on earth?
The total amount of water on earth changes unpredictably.
The total amount of water on earth remains the same due to the balanced processes of the water cycle.
The total amount of water on earth increases over time due to more evaporation.
The total amount of water on earth decreases over time due to more precipitation.
Overall, what two rates are generally equal on earth?
Evaporation & Precipitation
Evaporation & Runoff
Runoff & Infiltration
Precipitation & Infiltration
