2. What do sound waves do to molecules?
(a) Skirt around them.
(b) Cause them to explode.
(c) Cause them to implode.
(d) Pass a vibration through them.

3. In the illustration of binary code, what represents the "off" number?
(a) A basketball in a crate.
(b) An empty crate.
(c) A lemon in a crate.
(d) A pumpkin in a crate.

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

5. How many principle(s) govern the flow of electricity?
(a) Two.
(b) Four.
(c) One.
(d) Three.

6. What is the meaning of RAM?
(a) Read Accessible Motion.
(b) Random Access Memory.
(c) Radar Accessible Memory.
(d) Random Acts of Motion.

7. How many methods of modern printing are there?
(a) One.
(b) Two.
(c) Five.
(d) Three.

8. What is a core of wire wound around an iron core?
(a) A demagnitizer.
(b) An altimeter.
(c) An electromagnet.
(d) A bushing coil.

9. What type of storage does RAM offer?
(a) Permenant.
(b) Static.
(c) Volatile.
(d) Temporary.

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

11. What is one type of ray that human eyes cannot perceive?
(a) Microwaves.
(b) Any yellow spectrum rays.
(c) Any red spectrum rays.
(d) Any black spectrum rays.

12. What is the absence of any light?
(a) Black.
(b) Purple.
(c) White.
(d) Yellow.

13. In the illustration of how electricity is generated by a chemical reaction, what is the end result of the illustration?
(a) A meltdown.
(b) An electrical shock.
(c) The copper turns green and the zinc turns brown.
(d) The copper turns green and the zinc becomes cloudy.

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

15. What do sensors and detectors measure?
(a) Electrical currents, rays, and waves.
(b) Only light rays.
(c) Only electrical waves.
(d) Only electrical currents.