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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. When a magnetic field flows from a magnet into metal what is pulled together?
(a) Nothing.
(b) The magnet and the current.
(c) The metal and magnet.
(d) The metal and the current.

2. What does the frequency of sound waves create?
(a) A tympanum.
(b) A pattern.
(c) A physical vibration.
(d) A foil.

3. How can information in binary code be communicated?
(a) Electrical pulses.
(b) Morse code.
(c) Light waves.
(d) It cannot be communicated.

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

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

Short Answer Questions

1. Why does Bill invite the mammoth in?

2. What parts of ROM memory can be changed?

3. In the illustration of binary code, what represents the "off" number?

4. If you put a copper wire and a zinc wire into a lemon, what occurs?

5. What is the type of electricity when electrons travel through a conductor such as metal?

Short Essay Questions

1. Define the two types of waves that are discussed.

2. Briefly discuss the three ways musical instruments create waves.

3. What are the effects of electrons on the move?

4. Describe some types of memory.

5. Define wavelength and frequency.

6. Explain in detail the forming of static electricity.

7. What are electrons? What does their movement create?

8. What is current electricity? What is required to generate it?

9. What makes it possible to use waves to communicate? How is this done?

10. Who is the last mammoth?

(see the answer keys)

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