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Energy waves bouncing off the surface of an object (Mirrors or echoes return back to the source)
lens
gravity
friction
controls
data
reflection
force
refraction
A clear piece of curved glass or plastic that bends passing light to focus or spread the light rays
lens
gravity
friction
controls
data
reflection
force
refraction
A force that slows or stops motion when objects rub together
lens
gravity
friction
controls
data
reflection
force
refraction
The things in an experiment that a scientist must keep the same to ensure a valid result.
lens
gravity
friction
controls
data
reflection
force
refraction
The force that pulls objects towards the center of the Earth
lens
gravity
friction
controls
data
reflection
force
refraction
Energy waves that bend (change direction and speed)as they pass from one type of object to another.
lens
gravity
friction
controls
data
reflection
force
refraction
The information that is collected during an expriencement
lens
gravity
friction
controls
data
reflection
force
refraction
A push or pull that causes an object to move, stop, or change direction
lens
gravity
friction
controls
data
reflection
force
refraction
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