Parts of a Wave
What is the top of one wave crest to the top of the next wave crest called?
Wavelength
Do light waves travel faster through water or air?
Air
What type of waves are sound waves?
Mechanical waves
The Electromagnetic Spectrum
Trough
What type of waves are light waves?
Electromagnetic waves
Sound energy is created by what?
Vibrations of moving particles
Of the following colors, which has the lowest energy? Blue, Orange, Yellow, or Green
Orange
What is the term for the part of the wave measured from resting point to crest or resting point to trough?
amplitude
Why do we see a firework explode before we hear the boom?
Sound waves travel slower in the air than light waves
What medium does a sound wave travel fastest through?
Solids
Of the following colors, which has the highest energy? red, green, blue, violet
violet
What will happen to the frequency of the waves as the wavelength increases?
Frequency decreases
If a light wave travels from the sun, through the atmosphere, then through a window, and finally through a fish tank of water. Through which substance did the light wave travel fastest?
The atmosphere
For sound waves, if the temperature of the medium decreases, then what happens to the speed of sound?
The speed of sound decreases
Which type of radiant energy can you see?
visible light
The distance from the top of a crest of a wave to the bottom of the trough of the wave is _______ the amplitude.
Double
Where do light waves travel the fastest? Why?
Outer space, because it is the closest thing to a perfect vacuum. Light waves travel fastest through vacuums/empty space.
If an alien in space asks another alien a question, what will their response be?
Nothing, you cannot hear sound in space! This is because outerspace acts as a vacuum.
Which type of radiant energy can you feel as heat but not see?
infrared