Review Science Cat 3 | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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how high or low a sound is.

pitch

15

to make sounds softer and less clear.

muffle

15

a very small movement backwards and forwards

vibration

15

to shake very quickly back and forth

vibrate

15

to move from one place to another.

travel

15

the unit we use to measure the volume of sound (dB)

decibel

15

Picking up a string with your finger and letting it go (P__ __ __ __)

pluck

15

Things that can change the result of an investigation (f __ __ __ __ __ __)

factors

15

where something come from.

source

15

Give one example of string instrument

done

15

Give one example of percussion instrument

done

15

When we make the guitar’s string tighter (căng hơn), we ............ (increase / decrease) the pitch of the sound.

increase

20

What two factors can change the pitch of the sound of the guitar?

the length and the thickness of the strings

25

If you have a thicker guitar's string, the pitch will be ................. (higher / lower)

lower

15

If you have a thinner guitar's string, the pitch will be ................. (higher / lower)

higher

15

True or False: the volume and the pitch of the sound are the same.

False

15