Science Chapter 4 Lessons 1 and 2

The constant movement of water as a liquid and a gas between Earth’s air and its surface is called what?

• surface pressure

• area model

• water cycle

• photosythesis

energy for the water cycle come from what?

• sun

• ocean

• trees

• atmosphere

Solar energy causes water on Earth’s surface to change to gas and rise into the atmosphere during the process of what?

• condensation

• photosynthesis

• water cycle

• evaporation

As gaseous water rises and cools, it turns into droplets of liquid water during the process of what?

• condensation

• evaporation

• photosynthesis

• attorney

Water droplets may fall from the atmosphere back to Earth’s surface as _________________ such as rain and snow

• photosynthesis

• evaporation

• precipiation

• condensation

this is an area from which water is drained

• townshend

• watershed

• precipitation

• evaporation

Precipitation that flows across the land’s surface and is not absorbed will flow into rivers, lakes, and streams as what?

• river

• lake

• runoff

• waterfall

Some water soaks into the ground and collects in pores in soil and rock to become what?

• groundwater

• waterfall

• river

• runoff

Plants take water from the soil and return it to the air through their leaves during what?

• traspiration

• runoff

• waterfall

• precipitation

The constant exchange of carbon among Earth’s living organisms is what?

• carbon dioxide

• precipiation

• carbon cycle

• photosynthesis