TTO 1 Chapter 5.6 Calculations speed of sound

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This lesson contains 20 slides, with interactive quizzes, text slides and 2 videos.

Items in this lesson

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Slide 2 - Slide

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David drives 150 km in 2 hours. Calculate his average speed in km/h. Show your calculations.

Slide 6 - Open question

Fatima runs 200 meters in 40 seconds. Calculate her average speed in m/s. Show your calculations.

Slide 7 - Open question

More practise and explanation

Watch the following video

Slide 8 - Slide

There is a thunderstorm on its way. You see lightning. It takes 4 seconds before you hear the thunder. The speed of sound through air is 343 m/s. How far is the thunderstorm away?

Slide 9 - Open question

Slide 10 - Video

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Slide 13 - Video

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Explain why sound moves faster through a solid in compare to a gas?

Slide 16 - Open question

Read textbook page 80, 81,104, 105

Do questions 105

Do questions workbook page 50

Slide 17 - Slide

What is speed?

Slide 18 - Open question

Give the formula to calculate speed. Name two units for speed

Slide 19 - Open question

After studying this paragraph the following is still not clear to me:

Slide 20 - Open question