Energy & Heat Transfer

Question 1

Thermal Energy

Answer 1

Total energy of particles in a substance

Question 2

Heat

Answer 2

Movement of thermal energy from a substance at a higher temperature to another at a lower temperature

Question 3

Temperature

Answer 3

Measure of average kinetic energy of particles of a substance

Question 4

Heat vs Temperature vs Thermal Energy

Answer 4

Look at I.N page 97

Question 5

Thermal Examples : Heat vs Thermal Energy

Answer 5

Look at I.N page 98

Question 6

Thermal Equilibrium

Answer 6

When something warm is in contact with something cool

Question 7

Thermal Energy Transfer

Answer 7

Transferred by infrared radiation

Question 8

Thermal Energy and Mass

Answer 8

Does vary with the mass of a substance

Question 9

Temperature Scales : Celsius vs Kelvin

Answer 9

The Kelvin degree is the same size as the Celsius degree

Question 10

Kinetic Energy and Particle Hands

Answer 10

Movement of particles of a substance (Particle Hands)

Question 11

Conduction

Answer 11

Transfer of heat through direct contact

Examples on I.N page 104

Question 12

Convection

Answer 12

Transfer of heat in a fluid through currents

Examples on I.N page 104

Question 13

What is a Fluid?

Answer 13

A substance that is capable of flowing

Question 14

Is Air a Fluid?

Answer 14

Yes because fluid can be a gas

Question 15

Radiation

Answer 15

Heat traveling through space via electromagnetic waves

Examples on I.N page 104

Question 16

Electromagnetic Radiation/ Spectrum

Answer 16

Long radio waves, short radio waves, microwaves, Infrared Radiation, Visible Light, Ultraviolet Radiation, X-Rays, Gamma Rays

Question 17

Wavelength and Energy Level

Answer 17

Long Wavelengths and Short Wavelengths

*Different energy levels

Question 18

What part of the Electromagnetic Spectrum can we see?

Answer 18

Visible Light

Question 19

How do Microwaves heat Food?

Answer 19

They use infrared light to heat food particles