Light
Light travels in a.....
What is a straight line?
Reflects every color of light except red light.
What is red?
Vibrations that travel through air or objects are called
What are sound waves?
The material that allows light to pass through fully
What is transparent
natural sound
What is translucent?
When some light travels through an object.
Includes all the colours of the spectrum.
What is the white light?
The first step in hearing is when sound waves make this part of your ear vibrate.
What is the eardrum?
You speak into this to amplify sound.
What is a microphone?
the ringing of a cell phone is an example of...
artificial sound
This type of surface scatters the light rays that hit them
What is a rough surface? Ex: crumpled tin foil.
If you see GREEN, what is being absorbed?
Every colour but GREEN.
When there are fewer sound waves the sound is a ......
low pitch
They travel through different materials at different speeds.
What are sound waves?
False it is natural
Something that light does not pass through.
What is opaque?
This occurs when white light is broken up into colors.
What is a rainbow?
This helps catch sound waves and direct them into the ear canal.
What is the ear?
The distance from one point on a wave to the same point on the next wave.
What is a wavelength?
Another word for refraction is....
bend or distort
When using a mirror, we can do what to light?
reflect it (or bounce it)
This the colour you see when all of the colors are absorbed.
What is black?
When there are many sound waves it is a .......
high pitch
What colour sweater should you wear if it is very hot and sunny out and you want to stay cool?
What is a white sweater
Give an example of how light can keep us safe?
answers will vary