Pollution grade 3

Which is NOT one of the three types of pollution?

• air
• water
• fire

__________ pollution is when unwanted chemicals, gasses, and particles enter the air and the atmosphere causing harm to animals and damaging the natural cycles of the Earth.

• air
• water
• land

Air pollution from factories, power plants, cars, airplanes, chemicals, fumes from spray cans, and methane gas from landfills is caused by ___________. 

• humans
• animals
• nature
• minerals

__________ pollution is anything that damages or contaminates the land.

• air
• water
• land

_________ means to make something smaller.

• reduce
• reuse
• recycle

__________ means to use something old to make something new.

• reduce
• reuse
• recycle

Using cloth bags for groceries instead of disposable plastic bags is an example of reusing.

• true
• false

I can cut down on pollution by_____

• Walking to the store
• Driving to the store
• Throwing everything away

What could happen if people threw their trash into a stream?

• The animals would live longer
• Animals would drink all of the water
• The environment would not be affected
• Animals would not have clean water to drink

Most water pollution is the result of

• human activities.
• drought.
• volcanic eruptions.
• storms.