# Atmospheric pressure

In this lesson we look at atmospheric pressure, and how it changes as we change altitude.

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.Recall the units for pressure.

1/6

Q2.What happens to pressure with an increased depth of a liquid?

2/6

Q3.Identify the force that is the upward force that a fluid exerts on a body floating in it.

3/6

Q4.Which of the following explains why an object may sink in water?

4/6

Q5.Which of the following explains why an object may float in water?

5/6

Q6.A small dam has a wall of 50 m. Calculate the pressure exerted by the water at the bottom of the dam. (g = 10 N/kg, density of water = 1000 kg/m³)

6/6

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.Recall the units for pressure.

1/6

Q2.What happens to pressure with an increased depth of a liquid?

2/6

Q3.Identify the force that is the upward force that a fluid exerts on a body floating in it.

3/6

Q4.Which of the following explains why an object may sink in water?

4/6

Q5.Which of the following explains why an object may float in water?

5/6

Q6.A small dam has a wall of 50 m. Calculate the pressure exerted by the water at the bottom of the dam. (g = 10 N/kg, density of water = 1000 kg/m³)

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.

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:

# Atmospheric Pressure

This quiz will assess your knowledge of atmospheric pressure and pressure in fluids.

Q1.Recall both the units for pressure.

Select two (2) boxes

1/5

Q2.In our atmosphere, where is the least pressure?

2/5

Q3.What happens to air density as we increases altitude?

3/5

Q4.Which 2 statements are correct about our atmosphere?

Select two (2) boxes

4/5

Q5.Which statement is correct regarding our atmosphere

5/5

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:

# Atmospheric Pressure

This quiz will assess your knowledge of atmospheric pressure and pressure in fluids.

Q1.Recall both the units for pressure.

Select two (2) boxes

1/5

Q2.In our atmosphere, where is the least pressure?

2/5

Q3.What happens to air density as we increases altitude?

3/5

Q4.Which 2 statements are correct about our atmosphere?

Select two (2) boxes

4/5

Q5.Which statement is correct regarding our atmosphere

5/5

# Lesson summary: Atmospheric 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:
Walk

On the spot:
Dance