Vocabulary
Vocabulary 2
Properties of sound
Controlling Sounds
100

halfway between a crest and a trough

resting point


100

the distance between one crest or trough to the next

wavelength

100
What is the matter which sound travels through?

medium

100

A sound's volume is measured in what?

decibels

200

each high point of a sound wave

crest

200

each low point of a sound wave

trough

200

What can the medium be made of?

solid, liquid, or gas
200

Which tool makes sound louder?

amplifier

300
The number of crests or troughs that pass by over a certain amount of time

frequency


300

the study of how sounds travel and how they can be controlled

acoustics

300

Sound waves travel fastest through which type of matter?

solid

300

What is the study of how sound travels and can be controlled?

acoustics

400

the distance between the resting point and a crest or trough

amplitude

400

a kind of energy that travels in waves that you hear

sound

400

Sound waves travel slowest through which type of matter?

gas

400

What is made when something vibrates?

sound

500

how high or low a sound is

pitch

500

how loud or soft a sound is

volume

500

Sound waves move faster in when the medium is which type of temperature?

warm

500

Explain how you hear sounds.

The outer ear catches the waves, then moves to the eardrum which is the flap of skin inside the ear. When it hits the eardrum, it vibrates then it moves to the middle ear and on to the inner ear which sends signals to the brain.