# Diffusion

This lesson looks at the processes of diffusion and Brownian motion

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.Which state of matter has the highest density?

1/8

Q2.Which state of matter has the lowest density?

2/8

Q3.Why do liquids have similar densities to solids?

3/8

Q4.Density is defined as the mass per unit _________ ?

4/8

Q5.The equation for calculating density is?

5/8

Q6.What is density of an object with a mass of 10 kg and volume of 2m³?

6/8

Q7.Complete the sentence, 'An object can float if it's own density is _________ than the liquid it is placed into'

7/8

Q8.Which of the following objects will float in water, (density of 1 g/cm³)?

Select two (2) 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:

# 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.Which state of matter has the highest density?

1/8

Q2.Which state of matter has the lowest density?

2/8

Q3.Why do liquids have similar densities to solids?

3/8

Q4.Density is defined as the mass per unit _________ ?

4/8

Q5.The equation for calculating density is?

5/8

Q6.What is density of an object with a mass of 10 kg and volume of 2m³?

6/8

Q7.Complete the sentence, 'An object can float if it's own density is _________ than the liquid it is placed into'

7/8

Q8.Which of the following objects will float in water, (density of 1 g/cm³)?

Select two (2) boxes

8/8

# 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:

# Diffusion

This quiz will test your knowledge from this lesson and your prior learning.

Q1.Which is the best definition of diffusion?

1/7

Q2.In which states of matter can diffusion happen?

2/7

Q3.Why can't diffusion happen in solids?

3/7

Q4.Which two of the following factors affect the rate of diffusion?

Select two (2) boxes

4/7

Q5.What will an increased temperature do to the rate of diffusion?

5/7

Q6.Why does a change in temperature affect the rate of diffusion?

6/7

Q7.What effect does decreasing the concentration gradient have on the rate of diffusion?

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:

# Diffusion

This quiz will test your knowledge from this lesson and your prior learning.

Q1.Which is the best definition of diffusion?

1/7

Q2.In which states of matter can diffusion happen?

2/7

Q3.Why can't diffusion happen in solids?

3/7

Q4.Which two of the following factors affect the rate of diffusion?

Select two (2) boxes

4/7

Q5.What will an increased temperature do to the rate of diffusion?

5/7

Q6.Why does a change in temperature affect the rate of diffusion?

6/7

Q7.What effect does decreasing the concentration gradient have on the rate of diffusion?

7/7

# Lesson summary: Diffusion

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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:
Chair yoga