Give an example of a loud sound.
Any loud sound.
__________ vibrations cause soft sounds.
Small.
What is pitch?
Pitch is how high or how low a sound is.
Give an example of a soft sound.
Any soft sound.
What is the unit we use to measure sound?
A decibel (dB)
Name two ways we can muffle sounds.
Ear defenders, silencers on cars, carpets, curtains
A sound is louder when the vibrations are _____________.
Bigger.
Give an example of a percussion instrument.
Drums, shakers, and rattles.
What causes sound?
Vibrations.
The __________ the vibrations, the higher the pitch of the sound.
faster.
You hear an aeroplane passing overhead. What is the source of the sound?
The aeroplane.
Does sound travel best through a solid, a liquid, or a gas?
A solid.
What do we use to measure sound?
A sound level meter.
How do you raise the pitch on a stringed instrument, such as a guitar?
By making the string thinner, shorter, or tighter.