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8 questions
WHICH IS AN ARTIFICAL SOURCE OF LIGHT?
SUN
ELECTRIC BULB
STAR
PLANETS
LIGHT TRAVELS IN A _____________ LINE
OBJECTS THAT DO NOT PRODOUCE THEIR LIGHT ARE CALLED _______________
MARK THE TRANSPARENT OBJECTS--
THIN PLASTIC
CLEAR WINDOW PANE
BOTH OF THESE
NONE OF THESE
MARK THE TRANSLUCENT OBJECTS--
tinted car windows
5 pieces of tissue paper
SPECTACLES
NONE OF THESE
WE ARE ABLE TO SEE THINGS BECAUSE OF____
TIME
GRAVITY
ENERGY
LIGHT
SUBSTANCES THAT DO NOT ALLOW LIGHT TO PASS THROUGH THEM ARE CALLED ______
A_________ is formed when the path of light is blocked
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