Speed of Sound HL

Home Learning 1/3/23

S3 Physics - Speed of Sound

Task 1: Corrections and Finish the work

​Go to your OneNote>Waves and Sound>Core 1.2

I have marked the work done on this page of the OneNote. Please make any corrections and finish any questions that haven't been completed. If you are unsure, please ask me by commenting in Teams.

Task 2: Consolidation Quiz

​Work through the questions on the following slides

Please use scrap paper to do your working out, use a calculator when needed and try your best! :)

Multiple Choice

Which state of matter do sounds travel fastest in?

• Solid

• Liquid

• Gas

• Plasma

Multiple Choice

Why does sound travel faster in solids than in liquids or gases.

• They are harder.

• The particles are closer together.

• Solids have more energy.

• Gases fill their container.

Multiple Choice

Why does sound travel faster in solids than in liquids or gases.

• They are harder.

• Solids are more dense.

• Solids have more energy.

• Gases fill their container.

Multiple Choice

Roughly what is the speed of sound in air?

• The speed of light.

• About 10 m/s

• About 340 m/s

• About 1 500 m/s

Multiple Choice

Roughly what is the speed of sound in air?

• About 350 m/s

• About 1 500 m/s

• About 5000 m/s

• About 1800 m/s

Multiple Choice

Roughly what is the speed of sound in water?

• About 350 m/s

• About 1 500 m/s

• About 5000 m/s

• About 1800 m/s

Multiple Choice

Roughly what is the speed of sound in steel?

• About 350 m/s

• About 1 500 m/s

• About 5000 m/s

• About 1800 m/s

Multiple Choice

Roughly what is the speed of sound in rubber?

• About 50 m/s

• About 1 500 m/s

• About 5000 m/s

• About 1800 m/s

Multiple Choice

Roughly what is the speed of sound in glass?

• About 50 m/s

• About 1 500 m/s

• About 4 500 m/s

• About 1800 m/s

Multiple Choice

Roughly what is the speed of sound in wood?

• About 50 m/s

• About 1 500 m/s

• About 4 500 m/s

• About 1800 m/s

Multiple Choice

Calculate the speed of sound if a sound wave travels 680 m in 2 seconds.

• 1360 m/s

• 340 m/s

• The speed of sound is always the same

• 250 m/s

Multiple Choice

Calculate the speed of sound if a sound wave travels 1020 m in 3 seconds.

• 3060

• 365 m/s

• 340 m/s

• 250 m/s

Multiple Choice

A sound wave travels through water at a speed of 1500m/s for 2 seconds. How far does it travel?

• 750m

• 340m

• 3000m

• 300 000 000 m/s

Multiple Choice

A sound wave travels through water at a speed of 1500m/s for 3.5 seconds. What distance does it travel?

• 750m

• 4 500m

• 428.57m

• 365m

Multiple Choice

A sound wave travels through air. It travels 3 400m at a speed of 340 m/s. How long does it take to get there?

• 102000 seconds

• 666 seconds

• 4.25 seconds

• 10 seconds

Multiple Choice

A sound wave travels through air. It travels 1 700m at a speed of 340 m/s. How long does it take to get there?

• 578 000 seconds

• 666 seconds

• 4.25 seconds

• 5 seconds

Multiple Choice

A teacher tries to work out the speed of sound. She bangs two bits of wood together. She hears an echo from a wall. The wall is 25m away. How far has the sound travelled?

• 340 m

• 25 m

• 50 m

• 12.5 m

Multiple Choice

A teacher bangs two bits of wood together. She hears an echo from a wall 0.14 seconds later. The wall is 25m away. What is the rough speed of sound, ACCORDING TO THESE RESULTS?

• Roughly 340 m/s

• Roughly 360 m/s

• Roughly 375 m/s

• Roughly 330 m/s

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