what is a device that changes electricity or other forms of energy into mechanical energy?
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Chapter 12
Review
Energy
What is a device that changes electricity or other forms of
energy into mechanical energy?
What is the bending of light as it passes from one transparent
material into another?
What is a back-and-forth motion?
What is the sudden movement of electric charges from one
object to another object?
What is a path through which electric current can flow?
?
What is a wave that transfers sound through matter called?
What formed when electric current flows through wire
wrapped in coils around an iron bar?
What is a device that produces alternating current by spinning
an electric coil between the poles of a magnet?
What do sound waves travel through?
Sound travels most quickly through (a) ______________.
What kind of an object completely blocks light from
passing through?
We use sound waves in a _______
device to detect objects under water.
What kind of circuit is shown below?
Which of these three metals is not attracted to a magnet?
What is a tool used to refract, or bend, light?
What is the number of wavelengths that pass a
reference point in a given amount of time?
What kind of colored clothing makes a person feel hotter in
the summer?
All matter is made up of tiny particles called ___________.
What kind of circuit is shown below?
What is the area of magnetic force around a magnet called?
Like poles on a magnet will _____________ each other.
Light travels more slowly through materials that are
____________.
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