# Insulating material required practical (Part 1)

In this lesson we will look at developing a method to investigate the rate of cooling of water. We will focus on the key variables and actions required to be successful with this experiment.

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 5

Q1.Revision: Which will require the most energy to raise its temperature by 2 ᵒC?

1/5

Q2.Revision: A bungee jumper starts with 1000 J in their GPE store. After they jump they fall and are brought to a stop with the bungee cord. With the cord fully stretched what is the energy in the EPE store?

2/5

Q3.Which of these is a hazard when investigating the specific heat capacity of a metal block using a 12 V heater

3/5

Q4.What does the gradient of an energy transferred vs. temperature change graph tell us?

4/5

Q5.Which of these changes will reduce uncertainty in the experiment.

5/5

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 5

Q1.Revision: Which will require the most energy to raise its temperature by 2 ᵒC?

1/5

Q2.Revision: A bungee jumper starts with 1000 J in their GPE store. After they jump they fall and are brought to a stop with the bungee cord. With the cord fully stretched what is the energy in the EPE store?

2/5

Q3.Which of these is a hazard when investigating the specific heat capacity of a metal block using a 12 V heater

3/5

Q4.What does the gradient of an energy transferred vs. temperature change graph tell us?

4/5

Q5.Which of these changes will reduce uncertainty in the experiment.

5/5

# 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:

# Insulating material required practical part 1

This quiz will test your understanding of the insulating material required practical lesson and earlier lessons from this topic.

## Question 5

Q1.What is the independent variable?

1/5

Q2.Revision: How long would it take a 20 W motor to transfer 100 J of energy?

2/5

Q3.Why is no insulation placed beneath the beaker in the experiments to investigate insulation?

3/5

Q4.Put these steps in the right order for this method.
Insert the thermometer through the hole in the lid so that its bulb is in the hot water.
Add a lid to the beaker.
Put 80 cm³ of hot water into the beaker.
Record the temperature of the water every 3 minutes for 15 minutes.

4/5

Q5.Identify a significant risk in this experiment

5/5

Quiz:

# Insulating material required practical part 1

This quiz will test your understanding of the insulating material required practical lesson and earlier lessons from this topic.

## Question 5

Q1.What is the independent variable?

1/5

Q2.Revision: How long would it take a 20 W motor to transfer 100 J of energy?

2/5

Q3.Why is no insulation placed beneath the beaker in the experiments to investigate insulation?

3/5

Q4.Put these steps in the right order for this method.
Insert the thermometer through the hole in the lid so that its bulb is in the hot water.
Add a lid to the beaker.
Put 80 cm³ of hot water into the beaker.
Record the temperature of the water every 3 minutes for 15 minutes.

4/5

Q5.Identify a significant risk in this experiment

5/5

# Lesson summary: Insulating material required practical (Part 1)

### Time to move!

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