Chapter 10 Study Guide

Question 1

What is a wind turbine?

Answer 1

A wind turbine is a machine that uses wind to produce energy.

Question 2

How does the speed affect the production of energy?

Answer 2

The faster the wind, the faster the blades will turn, and that will make the generator spin more and make more electricity.

Question 3

What does a solar panel looks like?

Answer 3

Solar panels look like large sheets of black glass with grids across them.

Question 4

What kind of energy do solar panels produce?

Answer 4

Solar panels produce solar energy.

Question 5

What are some examples of non-renewable resources?

Answer 5

Some examples of non-renewable resources are:
coal
minerals
fossil fuel
oil

Question 6

What is the natural resource that nuclear energy requires?

Answer 6

The natural resource that nuclear energy requires is Uranium.

Question 7

What energy is not available at all times? When is it not available?

Answer 7

Solar energy is not available at all times. It is not available at night and when it’s cloudy.

Question 8

When do hydroelectric power plants create energy?

Answer 8

Hydroelectric power plants create energy when water is flowing through the dam in large pipes and it spins parts of generators. As they spin, the generator makes electricity.

Question 9

Why is it better to recycle aluminum than to mine more?

Answer 9

It is better to recycle aluminum than to mine more because recycling it takes less energy than mining more.

Question 10

What are some examples or renewable resources?

Answer 10

Some examples or renewable resources are:
trees
water
solar energy
air
soil

Question 11

What are some advantages of geothermal energy?

Answer 11

Some advantages of geothermal energy are:

* it can make electricity all day and all night (unlike solar energy and wind).

Question 12

What are some disadvantages of geothermal energy?

Answer 12

Some disadvantages of geothermal energy are:

* the power plants can be built in only a few places in the world were very hot rocks are close to Earth’s surface.

Question 13

What are some disadvantages of fossil fuels?

Answer 13

Some disadvantages of fossil fuels are:

• the supplies are limited
• it causes air pollution

Question 14

How are the disadvantages of fossil fuels being resolved?

Answer 14

Many cars are being built so they travel further with less fuel and that causes less air pollution.

Question 15

How are mineral resources used?

Answer 15

Mineral resources are used for the following:

• iron: for bridges, cars, building, cooking utensils.
• gypsum: used in plaster and paint for homes.
• mica: used in paint.
• gravel: used to make rocks.

Question 16

How does mining affect the environment?

Answer 16

Mining affects the environment because it changes the land. It changes the place where plants grow and animals live. It can also cause air and water pollution.

Question 17

Name four things that you can recycle. Describe what can you make with them.

Answer 17

• car tires - they are chopped up and reused as playground surfaces.
• Milk jugs - used to make plastic benches and tables.
• Paper - recycled to make new paper.
• Glass - it can be used to make bottles, beads, lampshades.