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

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

3. What causes increased heat in the process of conduction?
(a) Electronic transfers.
(b) Fission.
(c) Fusion.
(d) Increased movement.

4. The rack and pinion is an example of ______________.
(a) A stifle.
(b) A wedge.
(c) A gear.
(d) A lever.

5. Upon what principle does a pulley work?
(a) The amount of work required is halved by the amount of effort.
(b) It is easier to overcome gravity than force.
(c) It is easier to pull something down rather than up.
(d) The rotation of one gear pulls the other.

Short Answer Questions

1. What is an absence of substance?

2. Why can a dog hear a dog whistle that humans cannot?

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

4. What do sound waves do to molecules?

5. What does increasing heat do to molecules?

(see the answer key)

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