This lesson explains the process of radiation, demonstrates how different surfaces impact emission and links these ideas to reveal life examples.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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 10

Q1.In which state of matter does convection NOT occur?

1/10

Q2.Which state of matter is NOT a fluid?

2/10

Q3.When particles move faster, which energy store has increased?

3/10

Q4.As you heat a liquid or gas, the heated part becomes less ________ ?

4/10

Q5.As you heat a liquid or gas, the heated part _________ ?

5/10

Q6.The movement of particles of gases and liquids away from a heat source is called a convection _________ ?

6/10

Q7.Which of these items is a real life example of convection?

7/10

Q8.What is the mean of these values: 4, 5, 2, 6, 3, 4

8/10

Q9.1 J is equal to 1000 mJ. What is 24 J in mJ?

9/10

Q10.Which of these is the correct equation for energy efficiency?

10/10

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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 10

Q1.In which state of matter does convection NOT occur?

1/10

Q2.Which state of matter is NOT a fluid?

2/10

Q3.When particles move faster, which energy store has increased?

3/10

Q4.As you heat a liquid or gas, the heated part becomes less ________ ?

4/10

Q5.As you heat a liquid or gas, the heated part _________ ?

5/10

Q6.The movement of particles of gases and liquids away from a heat source is called a convection _________ ?

6/10

Q7.Which of these items is a real life example of convection?

7/10

Q8.What is the mean of these values: 4, 5, 2, 6, 3, 4

8/10

Q9.1 J is equal to 1000 mJ. What is 24 J in mJ?

9/10

Q10.Which of these is the correct equation for energy efficiency?

10/10

# 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.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

This quiz will have questions from the lesson called 'Radiation' and previous lessons in the Energy topic. Please complete this quiz to consolidate your learning.

## Question 10

Q1.Which of these processes does NOT involve particles?

1/10

Q2.What does 'emit' mean?

2/10

Q3.What does 'absorb' mean?

3/10

Q4.To calculate a mean (average)...

4/10

Q5.Complete the sentence: The independent variable is the one we ____________

5/10

Q6.Complete the sentence: The dependent variable is the one we ____________

6/10

Q7.Complete the sentence: The control variable is the one we ____________

7/10

Q8.In regards of keeping cool, what colour coat is best to wear in the summer?

8/10

Q9.A marathon runner has finished his race and is starting to get cold. He wraps himself in a blanket which he uses to reflect the radiation his body is emitting, back towards himself so he can stay warm. What colour blanket should he choose?

9/10

Q10.1 J is equal to 1000 mJ. What is 0.6 J in mJ?

10/10

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

This quiz will have questions from the lesson called 'Radiation' and previous lessons in the Energy topic. Please complete this quiz to consolidate your learning.

## Question 10

Q1.Which of these processes does NOT involve particles?

1/10

Q2.What does 'emit' mean?

2/10

Q3.What does 'absorb' mean?

3/10

Q4.To calculate a mean (average)...

4/10

Q5.Complete the sentence: The independent variable is the one we ____________

5/10

Q6.Complete the sentence: The dependent variable is the one we ____________

6/10

Q7.Complete the sentence: The control variable is the one we ____________

7/10

Q8.In regards of keeping cool, what colour coat is best to wear in the summer?

8/10

Q9.A marathon runner has finished his race and is starting to get cold. He wraps himself in a blanket which he uses to reflect the radiation his body is emitting, back towards himself so he can stay warm. What colour blanket should he choose?

9/10

Q10.1 J is equal to 1000 mJ. What is 0.6 J in mJ?

10/10

# Lesson summary: Radiation

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The next lesson in Energy is "Insulation"