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 are small propellers mounted in the base of a ship's hull?
(a) Stablizers.
(b) Tillers.
(c) Rudders.
(d) Thrusters.

2. What happens if the edges of the two wheels touch?
(a) The one wheel will wear out faster than the other.
(b) Nothing unless they have cams.
(c) The one will stop the other wheel.
(d) The rotation of one will cause the other to rotate.

3. What is the distance between each peak of energy in a wave?
(a) The minimum length.
(b) The oscillation factor.
(c) The optimum length.
(d) The wavelength.

4. What does the acronym SONAR stand for?
(a) Sound Navigation and Ranging.
(b) Sounds Near and Ranging.
(c) Somatic Navigation of Radar.
(d) Situations in Navigation and Retreiving.

5. What is one thing an electrical current can measure?
(a) Opacity.
(b) Density.
(c) Frequency.
(d) Particles in the air.

Short Answer Questions

1. How many different ways can waves be created by instruments?

2. In flying, what is used to overcome weight from gravity?

3. What happens when electrons are rubbed, shuffled, or brushed off one surface onto another?

4. What is one component of a lever?

5. What happens when orbiting electrons are energized so that they jump away from their nucleus and then fall back?

(see the answer key)

This section contains 243 words (approx. 1 page at 300 words per page) View a FREE sample