EM Waves
Color +/-
Refraction
Speed of Light
Miscellaneous
100
Used for cooking food.
Microwaves.
100
What color will you get if you mix blue, green, and red light?
White.
100
What is Refraction?
The bending of light as it goes from one medium to another.
100
Light waves are what type of waves?
Transverse Waves.
100
Who sings the song "Say So" that's behind the popular TikTok dance?
Doja Cat.
200
Causes you to get a nice tan or sunburn.
Ultraviolet.
200
What color will a CYAN shirt look when hit with a Red light?
Black.
200
What happens if the angle of incidence is greater than the critical angle?
It WON'T refract out. It will reflect in at an angle equal to the angle of incidence.
200
What is Mr. Janczak's favorite summertime hobby that involves a lake and a boat?
Water Skiing.
300
Used for communications.
Radio Waves.
300
What color will a YELLOW shirt look when hit with Red light? 
Red.
300
Consider the three following materials and their Indexes of Refraction. Rank them according to their speeds of light in the material, slowest to fastest.
Dimond (2.42)
Crown Glass (1.52)
Zircon (1.92)
Slowest: Dimond
Second Slowest: Zircon
Fastest: Crown Glass
300
Which is faster: a Microwave or X-Ray?
Neither. They are both the same speed. 3x108.
300
What day is "Star Wars" Day?
May 4.
400
Used to see bones.
X-Ray.
400
Blue and Green spotlights are shining on a white sheet of paper. What color will appear at the location where they overlap?
Cyan.
400
You notice that when a light ray enters an unknown solid from Crown Glass, it is bent toward the normal. What can you conclude about the unknown solid’s density?
It is greater than the density of the crown glass.
400
What college did Mr. Johnson graduate from in 1998?
University of Illinois. ILL-INI!
500
ROYGBIV. (The light we see)
Visible Light Spectrum.
500
Green and Red spotlights are shining on a white sheet of paper. What color will appear at the location where they overlap?
Yellow.
500
You notice that when a light ray enters an unknown solid from Flint Glass it is bent away from the normal line. What can you conclude about the unknown solid’s index of refraction?
It is less than the index of refraction of the flint glass.
500
Which country has won they most Olympic gold medals in history?
The United States of America
600
High energy rays from the nucleus of the atom. (These are deadly to humans)
Gamma Rays.
600
You just sent a Gum Drop picture to the printer. What color(s) must the printer use to give the correct color to the Green Gum Drop?
Cyan and Yellow.
600
You notice that when a light ray enters an unknown solid from Crown Glass, it is bent toward the normal. What can you conclude about the speed of light in the unknown solid?
It is less than they speed of light in the crown glass.
600
How long does it take for light from a star to reach Earth if the star is 4.32 x 1012 m away?
13.3 s.
600
Name one Lalapalloza head liner for 2026.
Lorde, Charli XCX, Olivia Dean, John Sumat, Ta Te McRae, Jennie.
700
Used to detect heat.
Infra Red.
700
You just sent a Gum Drop picture to the printer. What color(s) must the printer use to give the correct color to the Red Gum Drop?
Magenta and Yellow.
700
Using the diagram below identify the Angle of Incidence and the Angle of Refraction.
B: Angle of Incidence
E: Angle of Refraction
700
The distance to the moon can be found with the help of mirrors left on the moon by astronauts. A pulse of light is sent to the moon and returns to Earth in 2.48 seconds. Using the speed of light, calculate the distance to the moon **Hint: Light echo problem!
Use this equation to solve: V = x/t
241935485.9 meters OR 2.419x108 meters.
700
What is the largest country in the world with no rivers?
Saudi Arabia.