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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. How does a rocket engine power the craft?
(a) By the turning of a propeller.
(b) By the combustion of one propellant.
(c) By nuclear fusion.
(d) By the combustion of two propellants.

2. How many ways can heat travel?
(a) Two.
(b) Three.
(c) Four.
(d) One.

3. What is the main idea in Part 2 of the book?
(a) The way work can cause energy to dissipate.
(b) Exploring the bonds of attraction and the movement of molecules to and from each other.
(c) The way force can be exerted to change atomic structure.
(d) The way atoms can be made more dense.

4. Under normal circumstances, what force(s) does a molecule possess?
(a) The force of electron splitting.
(b) The force of energy times matter.
(c) An attracting force and a repelling force.
(d) The force to overcome inertia.

5. Upon how many major principles do propellers and rudders work?
(a) Three.
(b) Two.
(c) Four.
(d) One.

Short Answer Questions

1. How does a wedge move an object up an inclined plane?

2. How many types of gears are there?

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

4. What is a wheel and rod attacked by a hinge?

5. What makes waves different from molecules?

(see the answer key)

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