|Name: _________________________||Period: ___________________|
This test consists of 15 multiple choice questions and 5 short answer questions.
Multiple Choice Questions
1. What causes electrons to move?
(b) The attraction to the proton.
2. To what is the mammoth's presence reduced?
(a) Into words.
(b) Into electrons.
(d) Into numbers.
3. Where are the stacked crates taken in an illustration in Chapter 4?
(a) A dump yard.
(b) A transport container.
(c) A kitchen.
(d) A marketplace.
4. What is frequency?
(a) How often a wave is generated.
(b) How often a wave begins moving after encountering a barrier that stops it.
(c) How quickly a wave moves past each peak of energy.
(d) How often one wave moves past a peak of energy.
5. Why does Bill invite the mammoth in?
(a) To change the mammoth into an elephant.
(b) To kill it.
(c) To feed the mammoth his dinner.
(d) Bill thinks the mammoth is lonely.
6. What sort of storage system use bar codes?
7. In the illustration of binary code, what represents the "on" number?
(a) A pumpkin in a crate.
(b) A lemon in a crate.
(c) A basketball in a crate.
(d) An empty crate.
8. Under what situation does the eye perceive a reflection of light?
(a) When the concave lens is distorted.
(b) When the retina has no rods or cones.
(c) In looking at a solid.
(d) When the convex lens is distorted.
9. What is the absence of any light?
10. Why do electromagnets use the forces of attraction and repulsion alternately to keep machines running?
(a) Because electrical current can be reversed or shut off.
(b) Because an electrical current can only stay polarized.
(c) Because electrons are always positively charged.
(d) Because electrons inherently move towards neutrality.
11. What are two ways electrical bits can be stored?
(a) In liquids.
(b) In plaster.
(d) Chips and barcodes.
12. Where does the last mammoth meet Bill?
(a) At the Arc de Triomphe de l'Étoile.
(b) At the gates of the digital domain.
(c) At the gates of heaven.
(d) At the gates to Hades.
13. What do sound waves do to molecules?
(a) Pass a vibration through them.
(b) Cause them to implode.
(c) Cause them to explode.
(d) Skirt around them.
14. What makes waves different from molecules?
(a) Waves vibrate, but matter doesn't.
(b) Only their effects are different.
(c) Waves pass through matter.
(d) Waves are not actually real.
15. 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 exchange energy with the nucleus.
(c) They burn out.
(d) They emit a ray of light on impact.
Short Answer Questions
1. What are happening to the crates at the opening to Chapter 2 in this section?
2. What is the magnetic field caused by an electric force?
3. What type of input uses an analog-digital converter?
4. How does Macaulay illustrate the idea of a chemical reaction to produce electricity?
5. What responds to the smoke/no smoke pattern?
This section contains 537 words
(approx. 2 pages at 300 words per page)