Pollution

This type of pollution occurs when man-made chemicals such as hydrocarbons, heavy metals, solvents, get into the soil. These chemicals come from industrial activities and from bad waste disposal. It may cause health risks.

• noise pollution

• soil pollution

• air pollution

• water pollution

Pollution _________________________.

• is harmful materials put into the environment
• found in air, water, and land
• effects plants, animals, and people
• All of the above

Smog is an example of ______________ pollution.

• land
• water
• air
• noise

To reduce pollution in the environment, people should ______________ materials.

• recycle
• pollute
• throw away
• clean

Which of the following does NOT cause water pollution?

• oil spills
• garbage
• fertilizers from farms
• smoke

How can trash effect wildlife?

• Wildlife animals cannot hunt prey because of the smell of garbage.
• Trash makes it hard for wildlife to camouflage.
• Wildlife could eat trash that they think is food.
• Wildlife animals are afraid of trash.

__________________ is using materials wisely to protect them.

• Pollution
• Conservation
• Recycling
• Smog

Which of the following items could you recycle?

• An old newspaper
• A plastic soda bottle that is empty
• An empty cereal box
• All of the above

During the Exxon oil spill, many marine animals were killed. Why?

• The oil spilled into the ocean and poisoned the animals food.
• The animals drank the oil from the ship's tank.
• The oil was absorbed by the ocean.
• Marine animals were not killed because they swam to safety. 

What is a landfill?

• A place for people to recycle
• A place where people's trash is taken
• A place where oil spills begin
• A type of factory