# Gas pressure

In this lesson we will use the particle model to explain gas pressure. We will then look at how temperature affects gas pressure.

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!

Q1.Revision - what is the unit for latent heat?

1/7

Q2.Revision - which two changes of state correspond to the latent heat of vapourisation (pick two)?

Select two (2) boxes

2/7

Q3.Revision - which two changes of state correspond to the latent heat of fusion (pick two)?

Select two (2) boxes

3/7

Q4.What is the equation for calculating mass when given the specific latent heat and energy transferred?

4/7

Q5.What is the equation for calculating specific latent heat when given the energy transferred and mass.

5/7

Q6.How would you work out the total thermal energy required to melt 1 kg of ice at -10 °C?

6/7

Q7.For the last question, calculate the total thermal energy transferred to the ice cube to completely melt it. Specific heat capacity of ice = 2100 J/kg°C and specific latent heat of fusion of ice = 334000 J/kg.

7/7

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!

Q1.Revision - what is the unit for latent heat?

1/7

Q2.Revision - which two changes of state correspond to the latent heat of vapourisation (pick two)?

Select two (2) boxes

2/7

Q3.Revision - which two changes of state correspond to the latent heat of fusion (pick two)?

Select two (2) boxes

3/7

Q4.What is the equation for calculating mass when given the specific latent heat and energy transferred?

4/7

Q5.What is the equation for calculating specific latent heat when given the energy transferred and mass.

5/7

Q6.How would you work out the total thermal energy required to melt 1 kg of ice at -10 °C?

6/7

Q7.For the last question, calculate the total thermal energy transferred to the ice cube to completely melt it. Specific heat capacity of ice = 2100 J/kg°C and specific latent heat of fusion of ice = 334000 J/kg.

7/7

# 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:

# Gas pressure

This is assessing your understanding of the topics covered in the multi-step energy calculations lesson.

Q1.Revision - why are gases compressible?

1/8

Q2.Revision - which of the following properties apply to matter when it is in a solid state?

2/8

Q3.Revision - which of the following properties apply to matter when it is in a liquid state? (Tick 2 boxes)

Select two (2) boxes

3/8

Q4.Revision - which of the following properties apply to matter when it is in a gas state? (Tick 2 boxes)

Select two (2) boxes

4/8

Q5.If you increase the temperature of a gas and keep the volume the same, the pressure will...

5/8

Q6.When you decrease the temperature of a gas, what happens to the speed of the particles?

6/8

Q7.The relationship between the pressure and temperature of a gas can be described as?

7/8

Q8.Tick the statements that apply to the kinetic particle theory of gas particles (choose 3)

Select three (3) boxes

8/8

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:

# Gas pressure

This is assessing your understanding of the topics covered in the multi-step energy calculations lesson.

Q1.Revision - why are gases compressible?

1/8

Q2.Revision - which of the following properties apply to matter when it is in a solid state?

2/8

Q3.Revision - which of the following properties apply to matter when it is in a liquid state? (Tick 2 boxes)

Select two (2) boxes

3/8

Q4.Revision - which of the following properties apply to matter when it is in a gas state? (Tick 2 boxes)

Select two (2) boxes

4/8

Q5.If you increase the temperature of a gas and keep the volume the same, the pressure will...

5/8

Q6.When you decrease the temperature of a gas, what happens to the speed of the particles?

6/8

Q7.The relationship between the pressure and temperature of a gas can be described as?

7/8

Q8.Tick the statements that apply to the kinetic particle theory of gas particles (choose 3)

Select three (3) boxes

8/8

# Lesson summary: Gas pressure

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## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance