Science Quiz 12A

Most of Earth’s water is _____ water.

• salt
• fresh

The movement of water from the earth to the atmosphere and back to the earth is called the (a)   cycle.

When the sun’s energy heats water on Earth’s surface and changes it into water vapor, (a)   happens. evaporation, condensation, or precipitation

To ____________ means to make wise use of a natural resource.

• preserve
• reserve
• conserve

The reason that fresh water flows downhill is (a)   .

A benefit of salt water is that it ________ to help plants with photosynthesis.

• scatters soil
• scatters light

Water that moves along the earth’s surface is called ___________.

• groundwater
• runoff
• precipitation

A property of fresh water is that most precipitation soaks into the soil and becomes ______________ .

• groundwater
• runoff
• precipitation

Any water that falls from the atmosphere to Earth’s surface is _______________.

• groundwater
• runoff
• precipitation

Water vapor that changes into a liquid and forms clouds is _________________.

• evaporation
• condensation
• precipitation