Wave Speed
This wave travels in a straight line (Mechanical or EM.)
EM- Light waves
How many waves are in the EM Spectrum?
7
Some waves need a medium to move though. What is a medium?
Solid, liquid, gas, vacuum. States of matter.
If Jada's shirt is blue, what color wavelength is her shirt reflecting?
Blue
Define the Law of Conservation of Energy.
Energy cannot be created or destroyed.
This wave is caused by particle vibrations.
Mechanical Waves
Which EM wave has the highest frequency?
Gamma Rays
What type of waves require a medium?
Mechanical Waves
Why do we see leaves as the color green? Use the words reflect and absorb in your answer.
Carl turns on the light switch to turn on the overhead lights. What energy transformation took place?
Electrical --> LIght
What medium do mechanical waves travel the fastest through?
Solid
Which EM wave has the longest wavelength?
Radio Waves
If a wave has a high frequency, it must have a _____ wavelength.
short
What happens to wave speed and direction when light is refracted?
Light changes speed and direction.
What form is energy is always given off as a byproduct when undergoing an energy transformation?
Thermal Energy
What medium do EM waves travel the fastest through?
Vacuum
Mario goes to the beach, and he enjoys the warmth of the sun. What EM wave is he enjoying?
Ultravoilet
If a wave has a high frequency, it must have ____ energy.
High
What colors does the color white reflect?
All of the colors of the rainbow. ROY G BIV
light--> thermal
Mechanical waves need a medium to move through. Give an example of a medium that mechanical waves would move through the quickest.
some solid- copper pipe
Carlos is sitting in class listening to Drake in his airpods that are connected to his cell phone. Which EM wave is he using to enjoy his music?
Microwaves
Describe the relationship between wavelength and frequency.
Wavelength and frequency have an inverse relationship (opposite.)
Black absorbs all wavelengths of color, and the energy is converted into thermal energy.
On a cold winter day, Micah puts logs in a fireplace. Then he strikes a match and sets the logs on fire. As the fire burns, which two forms of energy are released?
light and thermal