What is sound?
Particles vibrating into your ear.
What colour is all light?
White.
What are the primary colours of light?
Red, blue and green.
What are the secondary colours of light?
Magenta, Cyan and yellow.
What is the back of your eye called?
The Retina.
What are the two bones in your ear called?
The ossicles.
What is the height of a wave called?
Amplitude.
What is the lowest point on a wave called?
The Trough.
What is it called when sound reflects?
Echo
The line 90 degrees to a mirror is what?
The Normal.
The angle of incidence equals what?
The angle of reflection.
Name the two types of wave.
Longitudinal and transverse
What is the symbol for hertz?
Hz.
What is the nerve at the back of your ear?
The auditory nerve.
What is the nerve at the back of your eye?
The optic nerve.
What is the frequency of a wave?
The number of waves a second.
What will a loud sound have more of on a wave?
Amplitude
What does a high pitch sound have more of on a wave?
Wavelength
What lens is thick in the middle?
Convex
What lens is thick on the outside?
Concave
What is the highest point on a wave called?
Crest
What type of wave is light?
Transverse
What type of wave is sound?
Longitudinal
Why are sunflowers yellow?
It only reflects green and red light
