View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Part 3, Working with Waves.

Multiple Choice Questions

1. What controls direction on a ship?
(a) A screw.
(b) A valve.
(c) A rudder.
(d) A drive.

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

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

4. How are signals and messages created out of light and radio waves?
(a) Coalescing the waves into bundles.
(b) Interrupting wave patterns.
(c) Causing the waves to ocillate at a different hertz.
(d) Harnessing the shorts bursts of energy.

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

Short Answer Questions

1. What is one component of a lever?

2. What is the most common form of inclined plane found in machines?

3. 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?

4. How many methods of modern printing are there?

5. How many types of gears are there?

(see the answer key)

This section contains 233 words (approx. 1 page at 300 words per page) View a FREE sample