Unit 1

Question 1

How do conduction and convection transfer energy?

Answer 1

By particles

Question 2

What is the main form of heat transfer in solids?

Answer 2

Conduction

Question 3

What is the main form of heat transfer in liquids and gases?

Answer 3

Convection

Question 4

What can be emitted through solids, liquids and gases?

Answer 4

Infrared radiation

Question 5

Electrical energy

Answer 5

Whenever a current flows

Question 6

Light energy

Answer 6

From the sun, light bulbs, etc.

Question 7

Sound energy

Answer 7

From anything noisy

Question 8

Kinetic energy

Answer 8

Anything that moves

Question 9

Nuclear energy

Answer 9

Released only from nuclear reactions

Question 10

Thermal energy

Answer 10

Flows from hot objects to colder ones

Question 11

Gravitational potential energy

Answer 11

Possessed by anything that can fall

Question 12

Elastic potential energy

Answer 12

Stretched springs, elastic, rubber bands, etc.

Question 13

Chemical energy

Answer 13

Possessed by foods, fuels, batteries, etc.

Question 14

List 4 non renewable fossil fuels

Answer 14

Coal
Oil
Natural gas
Nuclear fuels (uranium & plutonium)

Question 15

List 8 fuels that are renewable

Answer 15

Wind
Waves
Tides
Hydroelectric
Solar
Geothermal
Food
Biofuels

Question 16

What’s the equation for ALL waves?

Answer 16

Speed = frequency x wavelength

Question 17

What causes sound waves ?

Answer 17

Vibrating objects

Question 18

In what ways can heat radiation be transferred?

Answer 18

Radiation
Conduction
Convection