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

Multiple Choice Questions

1. Where are wheels and axles found?
(a) On all pulley systems.
(b) Where a spoke and center come together.
(c) Wherever there is rotary motion.
(d) Just on cars and bikes.

2. What is the effort you put in combined with the distance over which the effort is done?
(a) Work.
(b) Gravity.
(c) Mendal's law.
(d) Rest.

3. How are positive and negative electrons similar to positive and negative poles?
(a) They both contain anodized matter.
(b) There are no similarities.
(c) They both contain a neutral charge.
(d) The both attract the opposite.

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

5. What happens when orbiting electrons are energized so that they jump away from their nucleus and then fall back?
(a) They lose their rotation pattern.
(b) They emit a ray of light on impact.
(c) They exchange energy with the nucleus.
(d) They burn out.

Short Answer Questions

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

2. What additional tasks can a boat with two triangular sails do?

3. How is electricity created?

4. What are different level marks for different types of water on the side of a ship called?

5. How many type of waves are discussed by Macaulay?

(see the answer key)

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