Light waves
Is black a color of light?
No,black only absorbs the colors of light
Can sound waves travel through a vacuum?
No, Sound waves requires medium to travel through.
Define reflection
When a waves bounces off a surface that it does not go through.
Why is the sky blue
Because of blue light scattering
How do sound waves move?
Through vibration
What are decibels?
The units used to measure the volume of a sound
What is white light made of?
White light is made of all the colors of light
Does sound waves travel faster than light waves?
No. Light waves travels faster.
What part of the electromagnetic spectrum can we see?
Visible light
What are all the colors of light
Red,orange,yellow,green,blue,indigo and violet
What is the relationship between pitch and frequency?
Higher the pitch, higher the frequency. Lower the pitch, lower the frequency.
Define refraction?
Refraction is the bending of a wave as the wave passes between two substances causing change in the speed.
Do light waves need a medium to travel through
No,light waves don't need a medium to travel through.
Which state of matter can sound travel faster?
Solid mater as the particle are packed closed together.
Define wavelength
Distance from crest to crest