# Latent heat

In this lesson we build on our knowledge of changes of state and heating and cooling substances to define latent heat, We will then look at calculations involving latent heat.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

1/6

2/6

## Q3.Internal energy is the sum of which two stores of energy?

Select two (2) boxes

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4/6

## Q5.Which two changes of state occur when the potential energy store of the particles increases?

Select two (2) boxes

5/6

6/6

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

1/6

2/6

## Q3.Internal energy is the sum of which two stores of energy?

Select two (2) boxes

3/6

4/6

## Q5.Which two changes of state occur when the potential energy store of the particles increases?

Select two (2) boxes

5/6

6/6

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

# Latent heat

This is assessing your understanding of the previous topics and the topics covered in the latent heat lesson.

## Q1.Revision - internal energy is the sum of which two stores of energy?

Select two (2) boxes

1/7

2/7

3/7

4/7

5/7

## Q6.Which two changes of state correspond to the latent heat of vapourisation (pick two)?

Select two (2) boxes

6/7

## Q7.Which two changes of state correspond to the latent heat of fusion (pick two)?

Select two (2) boxes

7/7

Quiz:

# Latent heat

This is assessing your understanding of the previous topics and the topics covered in the latent heat lesson.

## Q1.Revision - internal energy is the sum of which two stores of energy?

Select two (2) boxes

1/7

2/7

3/7

4/7

5/7

## Q6.Which two changes of state correspond to the latent heat of vapourisation (pick two)?

Select two (2) boxes

6/7

## Q7.Which two changes of state correspond to the latent heat of fusion (pick two)?

Select two (2) boxes

7/7