21 terms

Water cycle and freshwater

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evaporation
liquid (water) turning into a gas (water vapor)
condensation
water vapor (gas) turning into a water (liquid)
precipitation
water that falls from the sky (clouds)
runoff
water that flows above the ground
groundwater flow
water that flows underground
infiltration
water that flows into the ground
transpiration
water vapor released by leaves
water cycle
natural way water is moved through the Earth
two factors that drive the water cycle
gravity and sunlight
water in a gas form
water vapor
water in a solid form
ice
Water keeps Earth's temperature
stable
glaciers
large masses of ice formed on land
alpine glacier
large mass of ice formed between mountains in a valley
ice sheet
glaciers that form out in all directions
freshwater
water that contains 0.2% or less salt content
As glaciers melt sea levels
rise
During an ice age, more ice is formed so sea levels
decrease
glaciers from by
many many many layers of snow compressed into ice
hydrosphere
Earth's waters (sphere or water)
specific heat
amount of thermal energy (heat) that is needed to raise the temperature of a substance 1 degree
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