4.L.1.3 Reduce, Reuse, Recycle

Why are alternative fuels being used in some automobiles?

• Alternative fuels are at every gas station.

• Gasoline comes from a limited resource.

• Alternative fuels cause pollution.

• Gasoline engines are too expensive to make.

A school replaced all of their light bulbs with a new type of light bulb. The new light bulbs use less energy. How will the new light bulbs most likely help the environment?

• The amount of light pollution will decrease.

• The air conditioner at the school will run less often.

• Fewer natural resources will be used to make electricity.

• Money will be saved on the electricity bill for the school.

What human action helps maintain a renewable resource?

• building power plants that use coal as fuel

• clearing land for roads and buildings

• directing fertilizer runoff to ponds

• replanting trees in deforested areas

What renewable energy source used to make electricity is thought to be always available?

• oil

• coal

• wind

• nuclear

Recycling paper reduces the number of trees cut down for paper production. How does this reduction most likely benefit the environment?

• eliminates air pollution

• saves nonrenewable energy

• reduces the amount of oxygen in the air

• keeps the habitats of animals from being destroyed

New engine technology has helped cars get more mileage per gallon of gas. Since gasoline comes from oil, this technology will affect the world supply of oil by

• increasing the need to search for more oil.

• reducing the time it takes for oil to be renewed.

• decreasing the amount of oil that exists underground.

• extending the time that oil will be available for people to use.

Making aluminum cans from recycled materials instead of raw materials is a wise choice because it

• saves time.

• saves trees.

• creates energy.

• reduces pollution.

What are two things people or industry could do that would help limit the use of oil for energy.

• Recycle Cardboard, Plastic, Glass, Paper, and Aluminum

• Use Wind or Solar Energy

• Drive Gasoline Vehicles

• Fly Around the World

A student can conserve resources by placing which objects in a compost pile?

• fertilizers

• bean plants

• glass beakers

• plastic pipettes

Corn can be used to make ethanol, which is a fuel for some cars. What problem could be caused by the increased use of ethanol?

• increase in fossil fuel production

• decrease in corn production

• increase in severe weather

• decrease in nutrients in soil