chapter 10 7th grade science flashcardziz

Front

What is one important function of wetlands?

Back

They filter water, support wildlife, and reduce flooding

Front

What is groundwater?

Back

Water that fills cracks and spaces in underground soil and rock

Front

What describes water in ponds and lakes?

Back

Still (not flowing)

Front

Why do plants need water?

Back

to make their own food

Front

What percentage of Earth’s water is freshwater?

Back

3%

Front

Where can freshwater be found underground?

Back

Aquifers

Front

Why do people drill wells?

Back

To pump water from aquifers

Front

Tributary

Back

A smaller stream that flows into a larger river or lake

Front

What causes deep ocean currents near the poles?

Back

Cold, dense, salty water sinking

Front

What is a current in the ocean?

Back

A large stream of moving water in the ocean