Unit 7 Conservation Test

In the Bahamas, the weather is sunny much of the year. What could we use to generate electricity without burning fossil fuels?

• Drip Irrigation

• Wind turbine

• Solar panel

• LED bulbs

Air, water, plants and wood are some natural resources that humans use. Which of the following best describes all natural resources?

• They occur naturally.

• The will never run out.

• They are manufactured by humans.

• They can be used only in their original form.

You see this symbol on the bottom of a plastic container. What does this tell you about the container?

• It cannot be reused or recycled.

• It contains recycled materials.

• I cannot be reused.

• It can be recycled.

A farmer wants to protect his crops from in and disease. He also wants to reduce soil erosion. Which soil conservation method should he use?

• Crop rotation

• hydroponics

• Intercropping

• Contour farming

Jake saw several of these objects in a field while on a trip. What natural resource doeS this object use to generate electricity?

• moving air

• burning oil

• burning coal

• sunlight

Which Idea below can BEST help conserve water in your home?

• Take baths instead of showers.

• Turn off water while brushing your teeth.

• Run only small loads in the washing machine.

• Tun the dishwasher when it is half ful.

A Farmer uses contour plowing before planting his crop. How does this type of plowing help protect soil?

• It guards against insects.

• It uses very little water.

• In prevents disease.

• It prevents erosion.

A country produces more coal than it needs. What will the country most likely do?

• It will save the coal.

• It will export the coal.

• It will import the coal.

• It will stop producing coal.

Name 1 type of pollution.

Name another type of pollution.