Which is louder leaves rustling or the washing machine?
Washing machine
What other words are like fainter?
Quieter, weaker, muffled
Give me 3 examples of quiet noises?
Clock ticking, whispers, wind,
What is sound?
Sound is caused by vibrations that travel through the air. These vibrations can cause other things to vibrate, too. We hear sound with our sense of hearing
Tell me 3 things which are solids?
Bricks, coins, rocks, wood
We measure sound in decibels. Decibels can also be written as
D
Deci
dB
What is gas?
Gases don't have shape and fill any space like air
Can loud sound hurt our ears?
Yes
What is pitch?
Whether a noise sounds high or low
Give me 3 examples of loud noises?
Dog barking, bells, door slamming, car horns
What does continuous mean?
A sound that continues without stopping, like someone on the drums
Which was does sound travel?
All directions
Up
Down
Sideways
Can you change your pitch?
Have a go
What does repeating mean?
Something that happens again and again. Such as beeping a horn again and again
Can you change the volume of your voice?
Have a go