View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Part Four: Electricity and Automation.

Multiple Choice Questions

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

2. What does RADAR use?
(a) Radio waves.
(b) Radiation.
(c) Restored particles.
(d) Recharged particles.

3. How does a ship vary in density?
(a) According to how long it takes to get underway.
(b) According to how much water is on board.
(c) According to the speed it is making.
(d) According to its load.

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

5. In what part of the atom does one find electrons?
(a) The nucleus.
(b) In both the nucleus and outer rings.
(c) The outer ring.
(d) They are not part of an atom.

Short Answer Questions

1. How does Macaulay illustrate the idea of a chemical reaction to produce electricity?

2. Where is steam still used?

3. What causes sideways movements of a ship?

4. 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?

5. What urges do molecules possess?

(see the answer key)

This section contains 270 words (approx. 1 page at 300 words per page) View a FREE sample