Lesson 7

Question 1

is the ability or the capacity to do work.

source of power for mechanisms and organisms without it nothing will work.

Answer 1

Energy

Question 2

Types of Energy Resources

Answer 2

1. Renewable Energy
2. Non-renewable Energy

Question 3

means that the supply can not be replenished.

Once it runs out, it is gone forever.

Fossil Fuels are the most common form

Answer 3

Non-renewable Energy

Question 4

Examples of Fossil Fuels

Answer 4

Coal
Petroleum
Natural Gas

Question 5

Ancient swamps that were buried by sediments.

Used to generate electricity.

Answer 5

Coal

Question 6

Primarily algae and plankton

Used to produce gasoline and diesel

Answer 6

Petroleum (Oil)

Question 7

Primarily algae that sink to the bottom of the sea

Use to generate electricity

Answer 7

Natural Gas

Question 8

The most abundant fossil fuel in the world.

Answer 8

Coal

Question 9

It heats up water to turn it to steam

The rising steam turns turbines which generate electricity

Answer 9

Coal Power Plant

Question 10

produced by chemicals released by coal powerplants and automobiles.

Answer 10

Smog

Question 11

black liquid formed from the buried remains of microscopic marine organisms.

Answer 11

Petroleum (Oil)

Question 12

First you drill down to find a deposit
Then you use a oil rig to pump it up

Answer 12

Oil Wells

Question 13

can be heated and separated into its different components

Answer 13

Oil Refining

Question 14

used for hauling goods.
Trucks, Ships, and Railways use Diesel

Answer 14

Diesel Fuel

Question 15

It is primarily methane

It is used to produce 20% of our electricity

Answer 15

Natural Gas

Question 16

Problems with Fossil Fuels

Answer 16

• All Fossil Fuels release Carbon Dioxide
• Burning coal and oil produces toxic pollutants
• Our Fossil Fuels will run out soon

Question 17

Renewable Resources

Answer 17

1. Wind
2. Solar
3. Hydroelectricity
4. Biofuels
5. Geothermal
6. Tidal/Wave Energy

Question 18

comes from wind turning turbines to generate electricity.

It can only be used in regions that have a lot of wind.

Answer 18

Energy from Wind/Wind energy

Question 19

Must face south to get the maximal sun, if on a roof.

Some systems have the ability to rotate to follow the sun through the day

Answer 19

Solar cells

Question 20

generate electricity from the sun.

Answer 20

Solar Energy

Question 21

2 ways to generate electricity from the sun.

Answer 21

Photovoltaic cells
and
Solar thermal energy

Question 22

Sunlight is focused on a fluid that boils to spin a turbine to generate electricity

Answer 22

Solar Thermal Systems

Question 23

Sunlight can be used to save energy without even generating electricity

Answer 23

Passive Solar Heating

Question 24

can save money by heating or lighting buildings passively.

Answer 24

Solar Energy

Question 25

No pollution and is renewable.

Dams hold large amounts of water back.

Water flowing through forces turbines to spin and create electricity.

Answer 25

Hydroelectricity

Question 26

Uses force of the river to push turbines

Answer 26

Run of the River Dam

Question 27

Creates a vertical displacement and water is dropped onto the turbines

Answer 27

Gravity Dams

Question 28

Moving water can spin turbines and generate electricity

Answer 28

Tidal and Wave Energy

Question 29

Using crop waste, leaves, and wood products to generate fuel.

Answer 29

Biofuels

Question 30

Using hot water from the Earth

Can only be used in certain areas with volcanic or geothermal activity

Answer 30

Geothermal Energy

Question 31

is clean and non-polluting. Only water vapor is released.

most efficient form of electricity generation available.

It is a non-renewable resource since the uranium used as the fuel has a finite quantity.

Answer 31

Nuclear Power

Question 32

The primary drawback of nuclear power

Answer 32

Nuclear Waste