Heat Flashcards

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

Heat is a force of

A

energy

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

What is a Joule

A

Unit of heat

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

When do Solid, liquids and gasses expand

A

When heated

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

When do Solid liquids and gasses contract

A

When cooled

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

What is a Bimetallic strip

A

The different metals will expand and contract at different rates due to their molecular properties

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

What is a Conduction

A

Heat travels from particle to particle along a substance

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

What is a Convection

A

Heat travels through the fluid when the particles move and carry the heat

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

What is Radiation

A

Heat travels through a hot object without a medium does not need a solid, liquid or gas to go through will flow through a vacuum

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

What is a Conductor

A

Something which allows energy to flow through it E.G metal

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

What is an Insulator

A

A substance which dosnt allow energy to pass through. E.G WOOD OR PLASTIC

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

What form of energy and is measured in joules (J)

A

Heat

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

Do Materials expand when heated and contract when cooled.

A

Yes

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

Above 4°C water behaves like other liquids

A

.

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

Below 4°C water behaves oppositely to other liquids.

A

.

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

Does Reducing pressure lowers the boiling point of water below 100°C.

A

Yes

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

What is Radiation

A

The transfer of heat from a hot object without the need of a medium

17
Q

How does the Sun transfer its energy

A

by radiation

18
Q

What is Temperature

A

The measure of how hot something is

19
Q

How is Temperature measured

A

With a thermometer

20
Q

Name the two types of thermometers

A

A mercury thermometer and alcohol thermometer

21
Q

The liquid in the thermometer will do what when heated or cooled

A

Expand and rise when heated and will contract and fall when cooled

22
Q

Temperature is measured

A

Between 0C and 100C degrees

23
Q

What is a Melting point

A

Is where a solid turns to a liquid

24
Q

What is a Boiling point

A

is when a liquid turns to a gas

25
Q

What is a Freezing point

A

Is when a liquid turns to a solid

26
Q

What is Condensation

A

Is when gas turns to a liquid

27
Q

What is a Latent heat

A

The heat taken in or given out when a substance is changing state without a change is temperature

28
Q

Latent heat of fusion is used when

A

a solid changes into a liquid

29
Q

Latent heat of vaporisation Is used when

A

liquid changes into a gas