# Investigating elastic objects

In this lesson we learn about elastic deformation. We also discuss variables and write a method for investigating the extension of a spring.

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.A simple machine is an object that changes... (choose 2)

Select two (2) boxes

1/8

Q2.Which of the following best describes a wedge?

2/8

Q3.Which of the following best describes a wheel and axle?

3/8

Q4.What is the effect of using an inclined plane to moved objects up to a certain hand?

4/8

Q5.What is 3.5432 to 3 significant figures?

5/8

Q6.What is the work done when 50 N is exerted to move 3 m ?

6/8

Q7.What is 30 cm in m?

7/8

Q8.What is 0.4 km in m?

8/8

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.A simple machine is an object that changes... (choose 2)

Select two (2) boxes

1/8

Q2.Which of the following best describes a wedge?

2/8

Q3.Which of the following best describes a wheel and axle?

3/8

Q4.What is the effect of using an inclined plane to moved objects up to a certain hand?

4/8

Q5.What is 3.5432 to 3 significant figures?

5/8

Q6.What is the work done when 50 N is exerted to move 3 m ?

6/8

Q7.What is 30 cm in m?

7/8

Q8.What is 0.4 km in m?

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.

Quiz:

# Investigating Elastic Objects

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

Q1.What happens to an elastic object when the forces are removed?

1/9

Q2.What are two types of elastic deformation?

Select two (2) boxes

2/9

Q3.Which of these is another word for squashing?

3/9

Q4.What is extension of a spring?

4/9

Q5.Where do I line the zero on my ruler up to?

5/9

Q6.Why do I repeat my measurements?

6/9

Q7.What is the unit of force?

7/9

Q8.What is the unit of energy?

8/9

Q9.What is the unit of power?

9/9

Quiz:

# Investigating Elastic Objects

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

Q1.What happens to an elastic object when the forces are removed?

1/9

Q2.What are two types of elastic deformation?

Select two (2) boxes

2/9

Q3.Which of these is another word for squashing?

3/9

Q4.What is extension of a spring?

4/9

Q5.Where do I line the zero on my ruler up to?

5/9

Q6.Why do I repeat my measurements?

6/9

Q7.What is the unit of force?

7/9

Q8.What is the unit of energy?

8/9

Q9.What is the unit of power?

9/9

# Lesson summary: Investigating elastic objects

## 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