1. The Water Cycle
Image: NRCS
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2. Water constantly moves from oceans, to atmosphere, to land surface in the water – or hydrologic – cycle.
Image: J. Evans, USGS
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3. Evaporation from the oceans transfers water to the atmosphere.
Image: Abi Howe, Digital Vision
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4. Water in the atmosphere is precipitated on the land as rain and snow.
Image: Martin Miller
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5. Water on land moves underground and in streams.
Image: USGS
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6. Rivers complete the water cycle by transferring water from the land back to the ocean.
Image: Ken Adelman, California Coastline Preservation
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