What do waves transfer from place to place?
energy
What is the number of waves that pass a point in one second?
frequency
The bottom of a wave is called its
trough
How does light move
in a straight line
What is the height of a wave called?
amplitude
These waves from the sun cause sunburns.
ultraviolet
What is the unit of measurement for frequency
Hertz
How does light change in order to get around a sign
it is reflected
What is the difference between wave crests called?
wavelength
These high energy waves are given off by radioactive materials.
gamma
Which properties of waves make up colors
wavelength and frequency
What is a great reflector of light
shiny metal
What type of wave travels up and down?
transverse
These waves make water molecules vibrate and warm up
microwave
Which waves need matter in order to travel?
sound
True or False. Light enters our eyes
true
What type of wave is a sound wave?
These waves are used to send signals, including wifi and text
radio
true
What makes an image that is reflected upside-down look right-side up?
our brains