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100
186,000 miles per second
What is the speed of light?
100
rays
What is the straight path that light travels?
100
beam
What is a group of parallel rays?
100
wavelengths
What is the size of a wave measured in?
100
red
What is the longest wavelength?
200
violet
What is the shortest wavelength?
200
black
What is the total absence of reflected light?
200
white
What is the reflection of all visible light together?
200
visible light
What is the part of the electromagnetic spectrum that we can see?
200
refraction
What is the bending of a light wave?
300
dispersion
What is the separation of light?
300
prism
What is a device that is used to separate white light into its individual colors?
300
transparent
What is a material through which light passes easily?
300
translucent
What is a material that light passes through partially?
300
opaque
What is a material through which no light passes through?
400
metal, wood, bricks, aluminum foil, and thick paper
What are examples of opaque materials?
400
wax paper, frosted glass, thin fabrics, some plastics, and thin paper
What are examples of translucent materials?
400
clear glass, clear plastic food wrap, clean water, and air
What are examples of transparent materials?
400
frequency
What is the number of waves passing a given point every second?
400
gamma rays
What are the waves with the most energy?
500
radio waves
What are the waves with the least energy?
500
colors of the rainbow
What is visible light?
500
ROYGBV (red, orange, yellow, green, blue and violet)
What are the colors of the visible spectrum?
500
crest
What is the highest point of a wave?
500
trough
What is the lowest point of a wave?