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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. What are devices which measure and/or locate a force and/or give feedback?
(a) Sensors and desensitizers.
(b) Detractors and desensitizers.
(c) Detectors and detractors.
(d) Sensors amd detectors.

2. How is electricity created?
(a) From the movement of protons.
(b) From the movement of quantums.
(c) From the movement of electrons.
(d) From the movement of quarks.

3. How does Bill record the mammoth's presence?
(a) An EKG.
(b) A system of pumpkins and crates.
(c) An oscilloscope.
(d) An EEG.

4. Why do electromagnets use the forces of attraction and repulsion alternately to keep machines running?
(a) Because an electrical current can only stay polarized.
(b) Because electrons inherently move towards neutrality.
(c) Because electrons are always positively charged.
(d) Because electrical current can be reversed or shut off.

5. What is one phenomenon a measurement of force measures?
(a) Push pressure.
(b) Pull pressure.
(c) Vise pressure.
(d) Earthquakes.

6. To what is the mammoth's presence reduced?
(a) Into numbers.
(b) Nothing.
(c) Into electrons.
(d) Into words.

7. By what are the variations of an analog quality turned into a sequence of numbers?
(a) A wave machine.
(b) An analog-digital converter.
(c) A capacitor.
(d) A transistor.

8. What type of input uses an analog-digital converter?
(a) Signal.
(b) Intuitive.
(c) Fingertip.
(d) Counter-intuitive.

9. What does a convex lens do?
(a) Creates a smaller image of a larger image.
(b) Causes an image to flatten.
(c) Causes an image to appear three dimensional.
(d) Creates a larger image of a smaller one.

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

11. What makes waves different from molecules?
(a) Waves vibrate, but matter doesn't.
(b) Waves pass through matter.
(c) Waves are not actually real.
(d) Only their effects are different.

12. What two elements combine to make a body scanner?
(a) Magnetic fields and sound waves.
(b) Sound waves and radio waves.
(c) Radio waves and magnetic fields.
(d) Magnetic fields and light waves.

13. What is the type of electricity when electrons travel through a conductor such as metal?
(a) Current electricity.
(b) Wave electricity.
(c) Static electricity.
(d) Direct electricity.

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

15. Where are the pumpkins placed?
(a) In a food processor.
(b) Into the belly of a transport plane.
(c) In a blender.
(d) Into a pie.

Short Answer Questions

1. Why can a dog hear a dog whistle that humans cannot?

2. What are happening to the crates at the opening to Chapter 2 in this section?

3. What makes it possible to use light and radio waves to communicate?

4. Why is the mammoth at first overjoyed?

5. Why does Bill invite the mammoth in?

(see the answer keys)

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