Waves
What is the lowest part of a wave called?
Trough
When light bounces off a shiny, smooth surface, it is called...
What acronym do we use to remember the colors of the visible light spectrum?
ROYGBIV
What form of energy is stored in food?
Chemical energy
What type of heat transfer is taking place?
You feel the heat of the Sun on your face at the beach.
Radiation
What is the distance from crest to crest or trough to trough called?
Wavelength
When light passes through a different medium and bends, it is called...
Refraction
What type of electromagnetic wave has the shortest wavelength?
What energy transformation occurs in a solar panel?
Light energy to electrical energy
What type of heat transfer is taking place?
Water boils inside an electric tea kettle.
Convection
Which type of wave does NOT require a medium to travel through?
Transverse
When light passes completely through an object, the object is called...
Transparent
What color of visible light has the highest frequency?
Violet
You rub your hands together and heat is produced. What is the energy transformation occurring here?
Mechanical energy to thermal energy
When thermal energy is transferred from one object to another, it is felt as...
Heat
If the wavelength of a wave decreases, what happens to the frequency of the wave?
It increases
When light cannot pass through an object, it is called...
What type of electromagnetic wave has the longest wavelength?
Radio waves
What does the Law of Conservation of Energy state?
Energy cannot be created or destroyed, only transferred or transformed from one form to another.
Heat always flows from ______ objects to ______ objects.
Hotter; colder
Draw a longitudinal wave on your whiteboard. Label the compressions and rarefractions on the wave.
Let me check...
A black shirt feels warm in the sunlight. What process is occurring here?
Absorption
List the 7 electromagnetic waves in order from lowest to highest frequency.
(Hint: Real Martians Invade Venus Using X-Ray Goggles)
Radio waves, Microwaves, Infrared waves, Visible light, Ultraviolet rays, X-rays, Gamma rays
List the energy transformations in a battery operated flashlight.
Chemical energy (battery) --> Electrical energy (circuit) --> Light energy (light)
When an object's temperature increases, what happens to the kinetic energy of the object?
It increases