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Muench Hydrosphere
All about our water planet
Question | Answer |
---|---|
hydrosphere | the portion of our planet made up of water |
water cycle | the continuous movement of water on our planet from liquid or solid to vapor and back again |
evaporation | the change from liquid to gas; in the water cycle, mostly caused by the heat of the sun |
condensation | the change from gas to liquid; in the water cycle, as vapor rises and cools to become clouds |
precipitation | liquid or frozen water falling from clouds |
runoff | water moving across the ground to collect in streams, ponds and lakes |
ocean currents | the movement of water within the seas |
groundwater | water that has seeped into the ground to collect in aquifers |
salinity | the percentage of salt in a solution; in the ocean, about 3 percent |