Definition
Sounds
Waves
Daily Life
Double Jeopardy
100
A system of words, letters, or other symbols that stand for other words, letters, or symbols.
Code
100
A sound that bounces off a surface and travels back to someone's ears.
Echo
100
The way sounds travel in an up-and-down pattern.
Soundwaves
100
Part of your throat that vibrates when you talk or sing.
Vocal cords
100
The smallest possible unit of matter are
Atoms
200
to exchange information.
Communication
200
Vibrations that you can usually hear with your ears.
Sound
200
The distance between two points of a wave.
Wavelength
200
A form of energy, such as what usually powers light bulbs.
Electricity
200
The highest point on a wave. Also called the crest.
Wave Peak
300
A quick movement back and forth.
Vibration
300
How high or how low a sound is when you hear it.
Pitch
300
The height of a wave.
Amplitude
300
A part of the ear that vibrates to help us hear sounds.
Eardrum
300
A measure of how many waves go by you in a set amount of time.
Frequency
400
To take a code and change it to a different form that can be understood.
Decode
400
How loud a sound is, measured by the height of a sound wave.
Volume
400
When the disturbance moves parallel to the direction of the wave. Put simply: When a wave moves forward and back.
Longitudinal Wave
400
A person who uses science to come up with solutions to problems.
Engineers
400
Someone who comes up with something new, often an object or a way of doing something.
Inventor
500
An empty space without any air.
Vacuum
500
The invisible gas that surrounds the Earth.
Air
500
When the disturbance moves perpendicular to the direction of the wave. Put simply: When a wave moves up and down.
Transverse Wave
500
A device that can show what sound waves look like.
Oscilloscope
500
Wavelength <- ->
Amplitude ^v