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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. What debris does a nuclear explosion create?
(a) Acid rain.
(b) None.
(c) Fallout.
(d) Steam.

2. Upon what does the amount of upthrust of an object in water depend?
(a) On what the object's salinity is.
(b) On whether or not the object is greater than one centimeter in diameter.
(c) On what the water's electrical charge is.
(d) On how much water the object displaces.

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

4. What does the picture of a mammoth pulling a merry-go-round illustrate?
(a) Gears and belts.
(b) Wedges.
(c) Levers.
(d) Blocks and tackles.

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

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

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

8. What pumps refrigerant out in an air conditioner?
(a) Oscillator.
(b) A solenoid.
(c) A compressor.
(d) A gear.

9. What is the principle behind the action of any machine?
(a) The conservation of energy.
(b) The type of energy it takes to make the machine work.
(c) The amount of energy it expends.
(d) The amount of energy it saves.

10. What is convection?
(a) When heat increases velocity.
(b) When heat causes wind.
(c) The way a molecule radiates heat.
(d) Heat moving from a liquid or gas molecule to another.

11. How many types of gears are there?
(a) Five.
(b) Four.
(c) Seven.
(d) One.

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

13. Why does a thermos lose heat?
(a) The molecules eventually slow down.
(b) The argon absorbs the heat.
(c) The heat can travel through the stopper.
(d) The oxygen absorbs the heat.

14. What happens when an object is placed in water?
(a) The object sinks.
(b) The water is repelled by the electrical force of the object.
(c) The water molecules push against the object.
(d) The object absorbs the water's atoms.

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

Short Answer Questions

1. What is the action of something burning?

2. What principle is in use as a propeller pushes the water back and as that same water which has been pushed back rolls forward again and hits the propeller?

3. What contains one element which is the detonator and another reactive element which acts as the propellant?

4. In how many elements did the Greek believe?

5. What is an absence of substance?

(see the answer keys)

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