4.1 vocab

Question Answer
hydrosphere – an Earth system
that includes all the water on the
planet.
atmosphere – the layer of gases
that surrounds Earth.
surface water – water found on
Earth’s surface in places like
oceans, lakes, rivers, and
reservoirs.
reservoir – a protected artificial or
natural lake that is used to store
water.
glacier – a huge mass of ice that
forms on land when snow and ice
accumulate faster than they melt.
groundwater – water that
collects under ground.
water table – the upper level of
water under ground; below the
water table, all spaces are filled
with groundwater.

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