Potluck
Properties of Light
Reflection and Mirrors
Refraction and Lenses
Using Mirrors and Lenses
100
Number of neutrons in Radon (Rn)
What is 136?
100
materials that let no light pass through them
What is opaque?
100
mirror that causes light rays to diverge (spread apart)
What is convex?
100
speed of light in a vacuum
What is 300 million m/s or 300,000 km/s?
100
examines objects that are far away
What is a telescope?
200
The number of isotopes of Hydrogen (H)
What is 3?
200
color with the longest wavelength
What is red?
200
kind of reflection caused by a rough surface
What is a diffuse reflection?
200
bending of light waves due to a change in speed
What is refraction?
200
devise in a film camera that controls the amount of light that reaches the film
What is a diaphragm?
300
The variable in an experiment that is measured as the variable that is allowed to change changes
What is the dependent variable?
300
primary pigment colors
What is yellow, magenta, cyan?
300
mirror with a flat reflecting surface
What is a plane mirror?
300
a light pipe
What is an optical fiber?
300
light beam that does not spread out as much as ordinary light and is used a scalpel, barcode reader, and reads CD's.
What is a lasar?
400
If the speed of a ferris wheel is constant, is it accelerating? Why.
What is yes because the ferris wheel is moving in a circle.
400
colors reflected back from a black surface
What is none?
400
mirror used in stores and added onto rear viewing truck or car mirrors to show a large area.
What is a convex mirror?
400
transparent object with at least one curved side
What is a lens?
400
observatory with the refracting telescope with the largest objective lens in the world and its location
What is Yerkes Observatory in Wisconsin (Williams Bay in Walworth County)
500
family name of the elements in group 17
What is the halides?
500
primary light colors
What is red, blue and green?
500
stream of energy bundles
What are photons?
500
if the distance from the Sun to the Earth is 150 million km, how long does it take light to travel from the Sun to the EArth in minutes?
What is time = distance/speed = 150,000,000 km/300,000 km/s = 500 s / 60 sec per min = 8.3 min
500
largest reflecting telescope in the world and it's location
What is the Keck telescope in Hawai'i?
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