Vocab
A disturbance that transfers energy from place to place
Wave
What are the 2 types of mechanical waves?
Longitudinal and Transverse
What kind of wave is used to help see if your bones are broken?
X-Rays
This is often referred to as the absence of light.
black
Why is an orange the color orange
It reflects the color orange
The highest point of a wave
Crest
What does sound need to travel through?
matter solid/liquid/gas
Name 3 non visible waves on the electromagnetic spectrum
radio waves, microwaves, infrared rays, and X-rays.
This is what we get when we overlap all three primary colors of light
White Light
What wave-like property of light causes it to change direction when it moves from one medium to another?
refraction
How high or low sound is, is called the ________
pitch
Sound is caused by ________
vibrations
What type of wave is used by weather radars and also helps heat food?
microwaves
Which color has the shortest wave length?
violet/purple
What unit do we measure sound in?
decibles
A wave that moves perpendicular to the direction energy is traveling
transverse wave
Which type of wave acts like a slinky moving horizontally?
Longitudinal
This type of wave has the longest wavelength and is currently traveling through space welcoming other beings to our planet?
radio waves
What color is made when you mix red and green light?
yellow
Frequency is measured in ______
Hertz
Tells how fast or slow the energy is moving in a wave
frequency
A place where no sound exists is _______
Outer Space
This type of waves can be seen by bumble bees, and it will give us a sunburn.
Ultraviolet waves
Which color has the longest wave length?
red
Why do we see lightening before we hear thunder?
Teacher Decides
Which type of wave can travel through empty space?
Electromagnetic waves
A fire truck has a higher pitch coming toward you and a lower pitch going away from you. What is this called?
The Doppler Effect
What two things happen to waves when light hits and object?
absorbs and reflects
What two colors of light are needed to create the color cyan?
green and blue
What light wave has the shortest wavelength and most energy?
Gamma Rays
What is it called when a longitudinal wave is spread far apart?
Rarefaction
What are the 5 parts of a transverse wave?
resting point, crest, trough, amplitude, wavelength
This type of wave will help kill cancer
daily double
gamma waves
What name is used to help you remember the order of colors in the color spectrum?
ROY G. BIV
Why does a smooth piece of paper not reflect light in a specular reflection?
The paper is not smooth at a microscopic level.
What is the most important wave-like behavior
reflection
The intensity of a wave tells us the sounds ______
Daily Double
volume/loudness
What is used to separate all the wavelengths of white light?
A prism
What are the primary colors of light?
red, green and blue
What are all 7 types of electromagnetic waves.
Daily double if you put them in order from shortest wavelength to longest wavelength.
gamma rays, x-rays, ultraviolet light, visible light, infrared, microwaves, radio waves