How many types of waves are there?

What is the name of this wave?

What is the name of this wave?

The waves of soundtravel by different means. what are those means?

• Solid, liquid, gas

• Liquid, air, gas

• Air, water, solid

Listen and write. what is the means of propagating the following sound?

Listen and write. what is the means of propagating the following sound?

Listen and write. what is the means of propagating the following sound?

What is sound?

• It's a mechanical wave

• It's conveying words

• It's the music.

For the sound to spread, it needs to...

• A taxi

• The air

• An elastic medium

Where does the sound spread fastest?

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