Science Flashcard

Front

What is the purpose of a windshield wiper?

Back

To make cars safer to drive in bad weather by clearing rain or snow from the windshield.

Front

What happens to water collected behind a flood control dam?

Back

The water is slowly released to the watershed.

Front

How do levees help prevent flooding?

Back

Levees make the riverbanks taller, which helps contain the water within the river.

Front

What is the benefit of using light rays to destroy bacteria in water?

Back

It makes drinking water safer, helping people stay healthier.

Front

What causes ozone depletion in the atmosphere?

Back

Ozone depletion is most often caused when fluorocarbons are released into the atmosphere.

Front

What is a flood control dam?

Back

A structure built to hold back water and prevent flooding in nearby areas.

Front

What are levees?

Back

Levees are raised banks along rivers designed to prevent flooding.

Front

What is ultraviolet radiation?

Back

A type of electromagnetic radiation that can be harmful to living organisms, especially in high amounts.

Front

What are fluorocarbons?

Back

Chemical compounds that can deplete the ozone layer when released into the atmosphere.

Front

How does increased ultraviolet radiation affect human health?

Back

It can lead to skin cancer and other health issues due to overexposure.