Lessons 1-5

Question 1

What is oil used for?

Answer 1

Oil is used for fuel for cars trains ships and planes. It is also used as a heating oil and is used to make plastics cosmetics and medicines.

Question 2

What is natural gas used for?

Answer 2

Natural gas is used for fuel for buses and trucks and to heat homes.

Question 3

What is potential energy?

Answer 3

Potential energy is stored energy or about to be used energy.

Question 4

What is kinetic energy?

Answer 4

Kinetic energy is energy in motion.

Question 5

What is solar energy used for?

Answer 5

Solar plants generate electricity. Solar cells are used to power calculators lights telephones and other small devices.

Question 6

What does wind do?

Answer 6

Wind turbines produce electricity

Question 7

What does flowing water do?

Answer 7

Flowing water turns turbines to produce electricity.

Question 8

What is coal used for?

Answer 8

Coal is burned to provide electricity

Question 9

What is biomass used for?

Answer 9

Biomass is used as fuel for cars and trucks. Methane gas is used to heat buildings.

Question 10

What is geothermal energy used for?

Answer 10

Used to heat homes and produce electricity

Question 11

What is nuclear energy used for?

Answer 11

Nuclear energy is used to produce electricity.

Question 12

What is a fossil fuel?

Answer 12

And energy rich substance formed from the remains of prehistoric organisms.

Question 13

Why are some things nonrenewable?

Answer 13

because it takes too long for it to make.

Question 14

What is electricity?

Answer 14

The results of moving electrons.

Question 15

What is mechanical energy? What are some examples?

Answer 15

Energy associated with the motion or position of an object.

Examples:

• ball moving through the air
• waterfall
• car moving down the street

Question 16

What is a thermal energy? What are some examples?

Answer 16

The measure of the energy of the particles in an object.

Examples:

• melting ice cubes
• melting ice cream

Question 17

What is chemical energy? What are some examples?

Answer 17

Potential energy stored in the chemical bonds of an object.

Examples:

• food
• cells on human bodies

Question 18

What is electrical energy? What are some examples?

Answer 18

The energy produced by moving electrons.

Question 19

What is radiant energy? What are some examples?

Answer 19

Light energy that travels up and down in waves.

Examples:

• rainbows
• photosynthesis

Question 20

What is nuclear energy? What are some examples?

Answer 20

The type of energy stored in the Nucleus of an atom that releases during a nuclear reaction

Examples:

• nuclear bomb
• nuclear power plant
• nuclear rods

Question 21

What does burning fuel do in a simple generator?

Answer 21

The fire produces heat which produces steam.

Question 22

What does the steam do?

Answer 22

It’s forces the fan turbine to spin

Question 23

What does the fan do?

Answer 23

It makes the magnet spin inside the coil producing electricity.

Question 24

What is voltage?

Answer 24

Voltage is the way we measure the amount of electricity in an object.

Question 25

What happened to the bulb in the parallel circuit?

Answer 25

It stayed the same brightness because the voltage didn’t change.

Question 26

What type of energy is in a dry cell?

Answer 26

Radiant Energy

Question 27

What disrupts the electromagnetic field of the compass?

Answer 27

The wire

Question 28

What is the law of conservation of energy?

Answer 28

Energy can not be created or destroyed, it can only change forms.