# Investigating energy transfers

This lesson introduces the Bunsen burner and uses it as a tool to investigate energy transfers

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.What is the unit for energy?

1/10

Q2.What does the law of conservation of energy state?

2/10

Q3.If there is 15 J before energy has been transferred, how much energy will there be after?

3/10

Q4.A portable speaker is switched on. 600 J of energy is transferred from the chemical store in the battery to the thermal store of surroundings; 250 J by heating and some by radiation (sound). How much energy is transferred by radiation?

4/10

Q5.Which energy store is full in a hot water bottle?

5/10

Q6.Which energy store is full in petrol?

6/10

Q7.Which energy store is full when you are standing on a first floor balcony?

7/10

Q8.Fill in the gap: energy is transferred between different stores by ____________

8/10

Q9.Which pathway do light and sound fit into?

9/10

Q10.What is 20 J in kJ?

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.What is the unit for energy?

1/10

Q2.What does the law of conservation of energy state?

2/10

Q3.If there is 15 J before energy has been transferred, how much energy will there be after?

3/10

Q4.A portable speaker is switched on. 600 J of energy is transferred from the chemical store in the battery to the thermal store of surroundings; 250 J by heating and some by radiation (sound). How much energy is transferred by radiation?

4/10

Q5.Which energy store is full in a hot water bottle?

5/10

Q6.Which energy store is full in petrol?

6/10

Q7.Which energy store is full when you are standing on a first floor balcony?

7/10

Q8.Fill in the gap: energy is transferred between different stores by ____________

8/10

Q9.Which pathway do light and sound fit into?

9/10

Q10.What is 20 J in kJ?

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:

# Investigating Energy Transfers

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

## Question 10

Q1.Which part of the Bunsen burner do you twist to open or close the air hole?

1/10

Q2.Which of these is the name we give to the hotter flame on a Bunsen burner?

2/10

Q3.Which is the variable that we change?

3/10

Q4.Which is the variable that we observe?

4/10

Q5.Which is the variable that we keep the same?

5/10

Q6.Calculate the average (mean) of these numbers: 6, 5, 7, 9, 8

6/10

Q7.What type of word should every step of a method start with?

7/10

Q8.Which energy store is full when you stand on top of a hill?

8/10

Q9.Which energy store is fills up as you run down a hill?

9/10

Q10.What is 33 J in kJ?

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:

# Investigating Energy Transfers

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

## Question 10

Q1.Which part of the Bunsen burner do you twist to open or close the air hole?

1/10

Q2.Which of these is the name we give to the hotter flame on a Bunsen burner?

2/10

Q3.Which is the variable that we change?

3/10

Q4.Which is the variable that we observe?

4/10

Q5.Which is the variable that we keep the same?

5/10

Q6.Calculate the average (mean) of these numbers: 6, 5, 7, 9, 8

6/10

Q7.What type of word should every step of a method start with?

7/10

Q8.Which energy store is full when you stand on top of a hill?

8/10

Q9.Which energy store is fills up as you run down a hill?

9/10

Q10.What is 33 J in kJ?

10/10

# Lesson summary: Investigating energy transfers

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The next lesson in Energy is "Efficiency"