NAFS Practice W15

What is pollution?

• Making things clean

• Making the Earth healthy

• Making air, water, or land dirty

• Helping plants grow

How many main types of pollution are there?

• One

• Two

• Three

• Four

What causes air pollution?

• Trees growing

• Cars, trucks, and factories

• People walking

• Animals playing

What problem can air pollution cause for people?

• Make them taller

• Help them sleep better

• Make it hard to breath

• Help them run faster

What happens when factories burn fuel?

• They clean the air

• They make toys

• They release smoke and gases

• They grow plants

What causes water pollution?

• Throwing trash into rivers and lakes

• Drinking clean water

• Taking a bath

• Rain falling from the sky

How do oil spills affect the ocean?

• Make it cleaner

• Help sea animals

• Make it dirty and harm animals

• Help plants grow

Why is land pollution a problem?

• It smells good

• It helps animals find food

• It makes nature dirty and can hurt animals

• It helps flowers grow

What should people do with trash?

• Throw it in the water

• Leave it on the ground

• Throw it in the trash can

• Burn it in the forest

What is recycling?

• Throwing trash anywhere

• Using old things again to make new things

• Burning plastic

• Cleaning the house