View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Part 2, Harnassing the Elements, Exploiting Heat, Nuclear Power, pp. 142-173.

Multiple Choice Questions

1. What is the factor which determines an object's ability to float?
(a) Force.
(b) Volume.
(c) Inertia.
(d) Density.

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?
(a) The Principle of Force and Inertia.
(b) The Principle of Push and Thrust.
(c) The Principle of Action and Reaction.
(d) The Principle of Gravity.

3. What is a fulcrum?
(a) A formula for determining energy needed to do work.
(b) A point at which inertia is overcome.
(c) A pivot point.
(d) A special sort of wedge.

4. 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) Exploring the bonds of attraction and the movement of molecules to and from each other.
(d) The way atoms can be made more dense.

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

Short Answer Questions

1. What causes increased heat in the process of conduction?

2. What are large fins which adjust their tilt to compensate for waves?

3. What is the density of salt water compared to fresh water?

4. What occurs when molecules begin vibrating in a solid, then speed up their vibration when heated?

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

(see the answer key)

This section contains 266 words (approx. 1 page at 300 words per page) View a FREE sample