Heat & Heat Transfer Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is thermal energy?

A

The total energy of a system that is dependent on the K.E. of the particles in the system, the P.E. of the material, and the total number of particles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is heat?

A

It’s the amount of thermal energy that’s transferred from a region of higher temperature to a region of lower temperature.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Can heat make something colder?

A

No

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is conduction?

A

It’s a transfer of thermal energy between materials by the collisions of particles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What’s an example of conduction?

A

Toaster metal heating up bread

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What would happen if particles with different temperatures collide?

A

The particles with higher K.E. transfer energy to particles with lower K.E.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is radiation?

A

The transfer of thermal energy from one material to another by electromagnetic waves.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is one transfer of thermal energy that all matter transfers thermal energy by?

A

Radiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Do warmer objects emit more radiation than colder objects?

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is convection?

A

The transfer of thermal energy by movement of particles from one material to another.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What happens to the cooler air when hot air rises?

A

It sinks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In what states of matter does convection occur in?

A

It occurs in liquids and gases.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly