The lowest point on a sound wave
What is a trough
When sound bounces off a hard surface
What is echo
the person who discovered electricity
Who is benjamin franklin
The portion of the electromagnetic spectrum we can see
What is the visible spectrum
A smooth shiny surface that reflects light
What is a mirror
When particles are spread apart during a vibration
What is rarefaction
When particles are pushed together during a vibration
What is compression
rubbing certain materials together
what creates static electricity
The straight path of which light travels
What is a ray
A piece of glass or other transparent material that has smoothly curved sides
What is a lens
The highness or lowness of a tone
What is pitch
The distance from one crest to the next
What is wavelength
creates an electric current
What are electrons
The height of a wave from its resting point to either the crest or trough
What is amplitude
The bouncing of light off an object
What is a reflection
When sounds are well controlled in a room
What is acoustics
Any kind of matter that sound travels through
What is medium
The flow of power or charge
what is electricity
A disturbance of light rays that travel together away from a starting point
What is a lightwave
The bending of light when it travels from one kong on medium to another
refraction
When sound waves become trapped and keep echoing back and forth between two objects
What is reverberate
When sound waves cause other objects to vibrate and make sound of their own
What is resonate
Masses of air run against rain clouds
How is lightining made
The colors of the visible spectrum
What is ROY G. BIV
Speed of light
How fast is light 186,000 miles per second