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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. What does the Mechanics of Movement explore?
(a) How the conservation of energy plays into movement, force, and effort.
(b) How pulleys ultimately lose energy that can never be regained.
(c) How pulleys can create energy.
(d) How the movement of anything can be either a net gain or net loss of energy.

2. What turns the crankshaft in an internal combustion engine?
(a) Steam.
(b) Gear.
(c) Pulley.
(d) Piston.

3. How many forces hold things together?
(a) Three.
(b) Two.
(c) Four.
(d) One.

4. What occurs when very small atoms smash together?
(a) Nuclear fission.
(b) Nuclear inertia.
(c) Nuclear clarification.
(d) Nuclear fusion.

5. What is the principle that states energy is neither created nor destroyed?
(a) The principle of energy loss.
(b) The principle of energy change.
(c) The principle of the conservation of energy.
(d) The principle of energy gain.

Short Answer Questions

1. What is the action of something burning?

2. What is the term for the process of molecules moving further apart in convection?

3. What causes sideways movements of a ship?

4. What are tanks that take in water to increase the density of the craft?

5. What are two things a sail can do for a craft?

Short Essay Questions

1. How does a zipper work?

2. Discuss the relation of effort to distance.

3. How does the inclined plane require less strength for a task?

4. Discuss the concept of floating.

5. Discuss the two principles upon which propellers and rudders work in a boat.

6. How is nuclear power generated? What is one naturally occurring nuclear fusion?

7. What is the main focus of the first section of Part 2, Harnessing the Elements?

8. Discuss why the density of water varies.

9. Discuss fulcrum points as pertaining to levers.

10. How do power crafts control their direction?

(see the answer keys)

This section contains 800 words (approx. 3 pages at 300 words per page) View a FREE sample