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, let’s see what you can remember from this topic. Here’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, let’s see what you can remember from this topic. Here’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 ‘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:

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:
Walk

On the spot:
Dance