Light Color and Sound Vocab

							Light, Color, and Sound Vocabulary

Light
A form of energy.


Light source
Anything that makes light, such as the Sun, a lightbulb, or a flame.



Mass
A quantity of matter.


Matter
Anything that takes up space.



Meter (m)
The basic unit of distance or length in the metric system.


Metric system
A system of weights and measures based on multiples of ten.

Mirror
A shiny surface that reflects light.


Prediction
A guess based on experience and information.



Property

A characteristic of an object, such as size, shape, and texture.

Ray
An informal unit of light.


Reflection
The bouncing of light rays off an object or surface.
Reflect
To bounce off an object or surface.

Shaft
A part of a motor that spins.

Solid
Matter that has a definite shape.

Sound
A form of energy carried by sound waves.tr>

Sound Wave
A wave produced by the energy of a vibrating object.


Substance
A form of matter that can be defined by the atoms from which it is made.

Sun
The star around which Earth orbits. The Sun provides energy to Earth.

Synthetic
Something that is made by humans.


Vibrate
To move back-and-forth quickly.

Vibration
A quick back-and-forth movement.

Volume
Three-dimensional space.



Water vapor

Water in its gas form.
Water Waves
A wave carrying the energy of moving water.



Wave
A regular, repeating pattern, such as an ocean wave or a sound wave.



White light
Light that is all colors mixed together.