Speed

In this lesson we will learn the definition and equation of speed.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, letâ€™s see what you can remember from this topic. Hereâ€™s a quick quiz!

Q1.What is the equation that links extension, force and spring constant?

1/7

Q2.What store of energy is increased when an elastic object is stretched or compressed?

2/7

Q3.Whose law refers to the relationship between force and extension of an elastic object?

3/7

Q4.What does elastically deform mean?

4/7

Q5.What name is given to the point where a spring no longer returns to its original shape when stretched?

5/7

Q6.What does Hooke's law state?

6/7

Q7.Calculate the force required to extend a spring by 0.4m when the spring has a spring constant of 5 N/m.

7/7

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, letâ€™s see what you can remember from this topic. Hereâ€™s a quick quiz!

Q1.What is the equation that links extension, force and spring constant?

1/7

Q2.What store of energy is increased when an elastic object is stretched or compressed?

2/7

Q3.Whose law refers to the relationship between force and extension of an elastic object?

3/7

Q4.What does elastically deform mean?

4/7

Q5.What name is given to the point where a spring no longer returns to its original shape when stretched?

5/7

Q6.What does Hooke's law state?

6/7

Q7.Calculate the force required to extend a spring by 0.4m when the spring has a spring constant of 5 N/m.

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 â€˜Resume Videoâ€™ 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 â€˜Nextâ€™ below.

Quiz:

Speed

Complete the quiz to see how much you have remembered from the speed lesson.

Q1.What is speed defined as?

1/11

Q2.What is the average speed of sound in air?

2/11

Q3.What is the average speed of a person running?

3/11

Q4.What is the average speed of a person walking?

4/11

Q5.What is the average speed of light in a vacuum?

5/11

Q6.What is the average speed of cycling?

6/11

Q7.What is the equation that links distance, speed and time?

7/11

Q8.A man travels 50 m in 25 seconds. What is his speed?

8/11

Q9.A car travels 1.2 km in 50 seconds. What is its speed?

9/11

Q10.A boy is riding a bike at a speed of 6 m/s. He cycles for 5 minutes. How far has he travelled?

10/11

Q11.A woman runs a 5 km race. Her average speed is 3 m/s. What time did she complete the race in? Give your answer to 2 significant figures

11/11

Quiz:

Speed

Complete the quiz to see how much you have remembered from the speed lesson.

Q1.What is speed defined as?

1/11

Q2.What is the average speed of sound in air?

2/11

Q3.What is the average speed of a person running?

3/11

Q4.What is the average speed of a person walking?

4/11

Q5.What is the average speed of light in a vacuum?

5/11

Q6.What is the average speed of cycling?

6/11

Q7.What is the equation that links distance, speed and time?

7/11

Q8.A man travels 50 m in 25 seconds. What is his speed?

8/11

Q9.A car travels 1.2 km in 50 seconds. What is its speed?

9/11

Q10.A boy is riding a bike at a speed of 6 m/s. He cycles for 5 minutes. How far has he travelled?

10/11

Q11.A woman runs a 5 km race. Her average speed is 3 m/s. What time did she complete the race in? Give your answer to 2 significant figures

11/11

Lesson summary: Speed

Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga