• The water cycle is the movement of water through the oceans, atmosphere, land, and living things.
  • Energy from the Sun causes water to evaporate.
  • In transpiration, plants release water vapor through their leaves.
  • Condensation changes water vapor to liquid water.
  • Infiltration is the process by which water soaks into the ground.
  • Some of the water may seep deep underground.
  • Some may stay in the soil, where plants can absorb it with their roots.
  • Runoff may pick up fertilizer and other pollutants and deliver them to a water body.
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