Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

P2 > P2 > Flashcards

P2 Flashcards

1
Q

How does heat go through a solid?

A

Conduction

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

How does heat go through a liquid/gas

A

Convection

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

How does heat go through a vacuum

A

Thermal radiation

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

How does conduction work

A

When particles vibrate they knock into adjacent particles and transfer energy (heat)

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

How does convection work

A

Hot fluid is less dense so rises, and cold fluid falls

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

What type of radiation does the sun use to transfer heat

A

Infared radiation (light)

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

What type of wave is light

A

Electromagnetic

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

What surfaces reflect light/radiation

A

Lightly coloured, shiny surfaces

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

What surfaces absorb radiation

A

Dark, matte surfaces

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

Why are some objects white

A

They reflect all visible light (radiation)

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

What materials are good insulators of heat

A

Plastic

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

What materials are good conductors of heat

A

Metal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does a good conductor have

A

A high thermal conductivity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does a good insulator have

A

A low thermal conductivity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is specific heat capacity

A

The energy needed to raise the temperature of 1kg of a substance by 1^C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the equation for temperature rise with energy as the subject

A

Energy (j) = mass (kg) * specific heat capacity (j/kg^C) * temperature change (^C)

17
Q

What is the triangle for the equation

A

E over m * c * theta

18
Q

How do you rearrange it with mass as the subject

A

m = E over c * theta

19
Q

How do you rearrange it with specific heat capacity as the subject

A

c = E over m * theta

20
Q

How do you rearrange it with temp change as the subject

A

Theta = E over m * c

21
Q

What is E

A

Energy

22
Q

What is energy measured in

A

Joules (J)

23
Q

What is m

A

Mass

24
Q

What is mass measured in

A

Kg

25
Q

What is c

A

Specific heat capacity

26
Q

What is specific heat capacity measured in

A

Joules per Kg degrees celcius (J/kg^C)

27
Q

What is theta

A

Change in temperature

28
Q

What is temperature measured in

A

Degrees celcius

P2 (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions