# Avicenna and the story of inertia

In this lesson we will learn about the scientist Avicenna, and how the theories of motion have developed.

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 7

Q1.In the equation W = m x g, what does g stand for?

1/7

Q2.What is the unit of weight?

2/7

Q3.Which unit of mass do we use in the equation W = m x g?

3/7

Q4.How do we change grams (g) to kilogram (kg)

4/7

Q5.Change 3000 g to kg

5/7

Q6.Why do planets have different gravitational field strengths?

6/7

Q7.Why does my weight change on different planets?

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!

## Question 7

Q1.In the equation W = m x g, what does g stand for?

1/7

Q2.What is the unit of weight?

2/7

Q3.Which unit of mass do we use in the equation W = m x g?

3/7

Q4.How do we change grams (g) to kilogram (kg)

4/7

Q5.Change 3000 g to kg

5/7

Q6.Why do planets have different gravitational field strengths?

6/7

Q7.Why does my weight change on different planets?

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:

# Avicenna and the story of inertia

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 8

Q1.What did Aristotle believe about moving objects?

1/8

Q2.Aristotle was wrong. What actually happens to a moving object with balanced forces?

2/8

Q3.Galileo called an object undisturbed. What do we call undisturbed objects today?

3/8

Q4.Which of these is the correct law of Newton?

4/8

Q5.If a force is spread out over a larger area, the pressure is ........

5/8

Q6.If a force is spread out over a smaller area, the pressure is ........

6/8

Q7.Does mass change on different planets?

7/8

Q8.Does weight change on different planets?

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:

# Avicenna and the story of inertia

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 8

Q1.What did Aristotle believe about moving objects?

1/8

Q2.Aristotle was wrong. What actually happens to a moving object with balanced forces?

2/8

Q3.Galileo called an object undisturbed. What do we call undisturbed objects today?

3/8

Q4.Which of these is the correct law of Newton?

4/8

Q5.If a force is spread out over a larger area, the pressure is ........

5/8

Q6.If a force is spread out over a smaller area, the pressure is ........

6/8

Q7.Does mass change on different planets?

7/8

Q8.Does weight change on different planets?

8/8

# Lesson summary: Avicenna and the story of inertia

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The next lesson in Forces and motion is "Pressure"