Diffusion (Part 1)

This lesson defines diffusion, explores factors that affect the rate of diffusion and where diffusion happens in the body

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 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of the following is the correct definition of a unicellular organism?

1/5

Q2.Which of the following is not a structure shared by both yeast cells and bacteria cells?

2/5

Q3.Which of the following is a use of fungus?

3/5

Q4.What is the function of cytoplasm found in cells?

4/5

Q5.Which of the following is not an example of a unicellular organism

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:

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 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of the following is the correct definition of a unicellular organism?

1/5

Q2.Which of the following is not a structure shared by both yeast cells and bacteria cells?

2/5

Q3.Which of the following is a use of fungus?

3/5

Q4.What is the function of cytoplasm found in cells?

4/5

Q5.Which of the following is not an example of a unicellular organism

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.

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 (a)

A quiz to assess what you have learnt in the session on diffusion

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Complete the gap in the following definition: Diffusion is the random movement of particles from an area of ________ concentration to an area of _________ concentration.

1/5

Q2.Which of the following is not a factor affecting the rate of diffusion?

2/5

Q3.How might you speed up diffusion to make a cup of tea?

3/5

Q4.Diffusion takes place in the lungs for gas exchange between oxygen and carbon dioxide. How are the lungs adapted for this to happen efficiently?

4/5

Q5.Which of the following is an adaptation for the small intestine to allow efficient diffusion of food molecules?

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:

Diffusion (a)

A quiz to assess what you have learnt in the session on diffusion

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Complete the gap in the following definition: Diffusion is the random movement of particles from an area of ________ concentration to an area of _________ concentration.

1/5

Q2.Which of the following is not a factor affecting the rate of diffusion?

2/5

Q3.How might you speed up diffusion to make a cup of tea?

3/5

Q4.Diffusion takes place in the lungs for gas exchange between oxygen and carbon dioxide. How are the lungs adapted for this to happen efficiently?

4/5

Q5.Which of the following is an adaptation for the small intestine to allow efficient diffusion of food molecules?

5/5

Lesson summary: Diffusion (Part 1)

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