Diffusion (Part 2)

This lesson looks at identifying variables, investigating diffusion and applying working scientifically skills

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.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:

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.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

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 (Part 2)

A quiz to assess you on what you have learnt in this lesson

Q1.A student wants to investigate how the colour of her shoes affects the time it takes her to run 100m. What is the independent variable in this investigation?

1/5

Q2.A student wants to investigate how the temperature of water affect the time it takes for salt to dissolve. What is the dependent variable in this investigation?

2/5

Q3.When drawing your table, what should be included with the title headings?

3/5

Q4.What is a control variable?

4/5

Q5.Which of the following is the correct definition for diffusion?

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 (Part 2)

A quiz to assess you on what you have learnt in this lesson

Q1.A student wants to investigate how the colour of her shoes affects the time it takes her to run 100m. What is the independent variable in this investigation?

1/5

Q2.A student wants to investigate how the temperature of water affect the time it takes for salt to dissolve. What is the dependent variable in this investigation?

2/5

Q3.When drawing your table, what should be included with the title headings?

3/5

Q4.What is a control variable?

4/5

Q5.Which of the following is the correct definition for diffusion?

5/5

Lesson summary: Diffusion (Part 2)

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Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Dance

The next lesson in:
Cells, tissues and organs
is:
Plant cells

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