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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 the transfer of heat through infrared rays?
(a) Transmigration.
(b) Convection.
(c) Heat cannot transfer through infrared rays.
(d) Thermal radiation.

2. When an object absorbs light rays, how is the energy held in the object?
(a) As heat.
(b) There is no energy involved.
(c) As inertial energy.
(d) As kinetic energy.

3. What is an absence of substance?
(a) Matter.
(b) A vacuum.
(c) Gravity.
(d) Outer space.

4. How does floating harness the power obtained by squeezing or stretching molecules?
(a) By gathering the individual electrons that are released.
(b) By squeezing an atom to split the proton and neutron.
(c) By energy "floating" through atomic fields and breaking the bonds to release energy.
(d) Through the form of upthrust.

5. How many different ways can waves be created by instruments?
(a) Two.
(b) Three.
(c) An infinite number.
(d) One.

Short Answer Questions

1. What turns the crankshaft in an internal combustion engine?

2. What is a substance that contains only one type of atom?

3. Upon what principle does a pulley work?

4. How does a ship vary in density?

5. Where can the electromagnetic fields exist that sound waves cannot?

(see the answer key)

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