# Specific heat capacity

In this lesson we will be exploring the effects of adding energy to a system and its effect on temperature. We will look at how this leads to a definition of the property of specific heat capacity and how to calculate this for different materials.

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!

## Question 6

Q1.Revision: Which energy store is increased when an object is heated?

1/6

Q2.Revision: What is the power of a motor that transfers 550 J of energy in 11s?

2/6

Q3.Which of these is a correct equation for percentage efficiency?

3/6

Q4.If a 0.75 efficient motor produces 150 W of useful power, what was the input power?

4/6

Q5.Which of these are ways in which a motor lifting a crate could transfer energy less usefully? (select 4)

Select four (4) boxes

5/6

Q6.Which material will have the lowest thermal conductivity?

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!

## Question 6

Q1.Revision: Which energy store is increased when an object is heated?

1/6

Q2.Revision: What is the power of a motor that transfers 550 J of energy in 11s?

2/6

Q3.Which of these is a correct equation for percentage efficiency?

3/6

Q4.If a 0.75 efficient motor produces 150 W of useful power, what was the input power?

4/6

Q5.Which of these are ways in which a motor lifting a crate could transfer energy less usefully? (select 4)

Select four (4) boxes

5/6

Q6.Which material will have the lowest thermal conductivity?

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:

# Specific heat capacity

This quiz will test your understanding of specific heat capacity and earlier lessons from this topic.

## Question 7

Q1.The definition of temperature is:

1/7

Q2.Which will have more energy in its thermal store?

2/7

Q3.Revision: Which of these is the correct definition of power?

3/7

Q4.What is the correct definition of specific heat capacity?

4/7

Q5.Revision: How long would it take a 200 W motor to transfer 1000 J of energy?

5/7

Q6.Which will require the most energy to raise its temperature by 2 ᵒC?

6/7

Q7.How much energy is required to raise the temperature of 4 kg of water by 2 ᵒC? (c = 4200 J/kg ᵒC)

7/7

Quiz:

# Specific heat capacity

This quiz will test your understanding of specific heat capacity and earlier lessons from this topic.

## Question 7

Q1.The definition of temperature is:

1/7

Q2.Which will have more energy in its thermal store?

2/7

Q3.Revision: Which of these is the correct definition of power?

3/7

Q4.What is the correct definition of specific heat capacity?

4/7

Q5.Revision: How long would it take a 200 W motor to transfer 1000 J of energy?

5/7

Q6.Which will require the most energy to raise its temperature by 2 ᵒC?

6/7

Q7.How much energy is required to raise the temperature of 4 kg of water by 2 ᵒC? (c = 4200 J/kg ᵒC)

7/7

# Lesson summary: Specific heat capacity

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