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4.3 Vocabulary

Across
the supply of fresh water found beneath Earth’s surface in the pores of soil, sand, and rock
the underground layer of rock, sand, or soil that holds groundwater
a renewable energy source that comes from moving water
a scaled-down first draft of a technology
an event that occurs when water overflows onto land that is normally dry
a special type of wall that holds back water, making a reservoir
the conditions of the atmosphere (temperature, humidity, wind speed, air pressure, and precipitation) in a particular place at a particular time
Down
the ease with which substances such as water move through a material
a person who uses scientific knowledge and mathematics to solve a problem by creating new technologies
the circulation of water through the hydrosphere from Earth’s surface to the atmosphere and back
a set of connected, interacting parts that form a more complex whole
the number of spaces between particles in a substance
the average weather over a span of 30 years