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This quiz consists of 5 multiple choice and 5 short answer questions through Part 3, Working with Waves.

Multiple Choice Questions

1. What is it called when filters block out all the rays except ones vibrating in a chosen field?
(a) UV absorbtion.
(b) Inversion.
(c) Optimization.
(d) Polarization.

2. The speed of the vibration affects ____________.
(a) The pattern.
(b) The wavelength.
(c) The density.
(d) The foil.

3. What is the result of a collision of molecules which break on impact forming new and different molecules?
(a) Radiation.
(b) Fusion.
(c) Fission.
(d) Combustion.

4. What is one example the author uses of a wedge?
(a) A ship's ramp.
(b) A type of door stop.
(c) An escalator.
(d) A block and tackle system.

5. What is a first-class lever?
(a) Where there is no load needed for the effort.
(b) Where the effort and the load are equal distances from the fulcrum.
(c) Where the distance is further from the fulcrum than the effort.
(d) Where the effort is a greater distance from the fulcrum than the load.

Short Answer Questions

1. In flying, what is used to overcome weight from gravity?

2. What is the principle that states energy is neither created nor destroyed?

3. What occurs when very small atoms smash together?

4. How many different ways can waves be created by instruments?

5. What do the double walls of a thermos enclose?

(see the answer key)

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