Vibrations are carried through the air as?
What are Sound Waves
A Slinky can be released and bounced back to demonstrate this.
What is an echo?
This mammal uses echo-location in the water to locate other animals in the ocean
What is a Whale
Adding different amounts of water to a glass and vibrating it cause this.
What are Different pitches?
This large machine uses the same type of idea to locate other objects in or on the surface of the water.
What is a Submarine
The speed of vibration is called this.
What is frequency?
You must cover the holes with your fingers in order to change the pitch of this instrument.
What is the recorder?
This type of noise and be damaging to our hearing.
What is noise pollution (or loud noise)
These determine the pitch of the Xylophone.
What is length and size of the bar?
Musicians and construction workers should use these to protect their ears.
What are ear plugs?
The small bars of the Xylophone create this pitch.
What is a high note?
A speaker cone vibrates at a different rate depending on this.
What is the frequency of sound?