|Name: _________________________||Period: ___________________|
This test consists of 15 multiple choice questions and 5 short answer questions.
Multiple Choice Questions
1. What is additive mixing?
(a) Adding black light to one of the colors of light.
(b) Combining two of the colors that make up light to create a different color.
(c) Adding more of one of the colors that make up light to black.
(d) Mixing all three of the colors of light in different proportions.
2. To what is the mammoth's presence reduced?
(a) Into electrons.
(b) Into words.
(c) Into numbers.
3. Upon what numbers are codes in a binary system built?
(a) 1, 2.
(b) 0, -1.
(c) 0, 1.
(d) 0, 9.
4. What are happening to the crates at the opening to Chapter 2 in this section?
(a) They are being burned.
(b) They are being destroyed by a mammoth with an axe.
(c) They are being stacked into rows.
(d) They are being destroyed by a caveman with an axe.
5. The speed of the vibration affects ____________.
(a) The foil.
(b) The density.
(c) The wavelength.
(d) The pattern.
6. What are magnetism, heat, and light in relation to an electron's movement?
(a) Elements that an electron's movement can produce.
(b) Elements that hinder an electron's movement.
(c) The mediums through which electrons can pass.
(d) Elements that enhance an electron's movement.
7. 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 are always positively charged.
(c) Because electrons inherently move towards neutrality.
(d) Because electrical current can be reversed or shut off.
8. When a magnetic field flows from a magnet into metal what is pulled together?
(a) The metal and the current.
(b) The magnet and the current.
(c) The metal and magnet.
9. In the illustration of how electricity is generated by a chemical reaction, what is the end result of the illustration?
(a) The copper turns green and the zinc turns brown.
(b) A meltdown.
(c) The copper turns green and the zinc becomes cloudy.
(d) An electrical shock.
10. What are two ways electrical bits can be stored?
(a) In plaster.
(c) Chips and barcodes.
(d) In liquids.
11. What is the meaning of RAM?
(a) Random Access Memory.
(b) Radar Accessible Memory.
(c) Random Acts of Motion.
(d) Read Accessible Motion.
12. How does Macaulay illustrate the idea of a chemical reaction to produce electricity?
(a) A man and a woman jousting on mammoths.
(b) A giant lemon being stabbed with zinc and copper lances.
(c) Two men holding swords and riding giant lemons.
(d) A man and a woman jousting on dragons.
13. What are heat, light, and sound?
(a) Static qualities.
(b) Analog qualities.
(c) Digital qualities.
(d) Variable qualities.
14. How is magnetism created?
(a) By rubbing together zinc tablets.
(b) By all negative electrons.
(c) By all positive electrons.
(d) By moving electrons.
15. By what are the variations of an analog quality turned into a sequence of numbers?
(a) An analog-digital converter.
(b) A wave machine.
(c) A transistor.
(d) A capacitor.
Short Answer Questions
1. What is one step in creating liquid crystal displays?
2. Under what situation does the eye perceive a reflection of light?
3. How are positive and negative electrons similar to positive and negative poles?
4. In which direction do electrons always travel?
5. What is the type of electricity when electrons travel through a conductor such as metal?
This section contains 578 words
(approx. 2 pages at 300 words per page)