Show:
vocabulary
attributes
animals
sound waves and pitch
instruments
100
A back and forth motion.
What is a vibration?
100
Sound travels in this way.
What are waves?
100
Humans hear with this part of their body.
What is the ear?
100
This is the type of sound made by waves with a large amplitude (tall waves).
What is a loud sound?
100
This cone-shaped device can make your voice sound louder.
What is a megaphone?
200
A measure of the number of vibrations per second.
What is frequency?
200
Sounds reflect best off of surfaces that are ... and ...
What is smooth and hard?
200
Spiders hear with this part of their body.
What is the hairs on their legs?
200
This happens as sound waves get smaller (the amplitude of the wave decreases).
What is get quieter/softer?
200
Doctors use this device to listen to your heart beat.
What is a stethoscope?
300
The sound heard when a sound wave is reflected back from a hard surface.
What is an echo?
300
This is the pitch of fast vibrations.
What is high pitch?
300
Snakes hear with this part of their body.
What is their lower jaw?
300
This is the pitch of thicker strings and fuller containers.
What is low pitch?
300
This cone-shaped device can be placed by your ear to help you hear better.
What is an ear trumpet?
400
Two bands of tissue in your throat that vibrate to produce sound.
What are vocal cords?
400
Sound travels the fastest through this material.
What is steel or a solid?
400
This animal can produce and hear lower pitched sounds than humans can hear.
What is a giraffe?
400
This is the pitch of fast and short vibrations.
What is high pitch?
400
This instrument has a set of rectangular metal tiles of increasing size that are hit with a mallets.
What is a glockenspiel?
500
To soak up something, such as light or sound.
What is absorb?
500
Sounds are best absorbed by materials that are ... and ....
What is soft and rough?
500
Bats send out a sound and listen for the echo to detect things in their environment. This process is called...
What is echolocation?
500
This is the pitch of a longer or slower sound wave.
What is low pitch?
500
This is one of the everyday classroom items we used to demonstrate vibrations and pitch.
What is an elastic, ruler or paper? (choose one)