Pretest For Science: Atoms, Electric Charge, And Other Things.

11 Questions | By Scardena | Updated: Mar 22, 2022 | Attempts: 342

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Pretest for science

Questions and Answers

1.

Protons are...
- A.
  
  Negative
- B.
  
  Neutral
- C.
  
  Positive
- D.
  
  Unequal
- E.
  
  Are as delicious as your grandmother's cookies
2.

Electrons are...
- A.
  
  Negative
- B.
  
  Neutral
- C.
  
  Positive
- D.
  
  Unequal
- E.
  
  Weird
3.

The law of electric charges states that...
4.

What is an electric force?
5.

What are the two things that decide on how powerful an electric force is?
- A.
  
  The amount of charge each object has and the amount of energy the objects have.
- B.
  
  The amount of charge on each object and the distance between the objects.
- C.
  
  The distance between each object and the energy each object has.
- D.
  
  The number of objects and the number of charges.
6.

Do atoms have a charge?
- A.
  
  Yes
- B.
  
  No
- C.
  
  Sometimes
- D.
  
  Maybe
- E.
  
  No idea
7.

What is an electric field?
8.

Which three of the following are ways to charge an object?
- A.
  
  Dodkfjduction
- B.
  
  Friction
- C.
  
  Conduction
- D.
  
  Sendorction
- E.
  
  Induction
9.

Which of the following makes a good electrical insulator? Why?
- A.
  
  Glass, because it is slippery and smooth.
- B.
  
  Glass, copper, and wood, because electrons cannot move freely inside them.
- C.
  
  Glass, wood, and plastic, because electrons cannot move freely inside them.
- D.
  
  Copper, because it is sparky.
10.

What makes a good electrical conductor? Why?
- A.
  
  Copper, glass, and aluminum, because their electrons can move freely.
- B.
  
  Copper, mercury, and aluminum, because their electrons can move freely.
- C.
  
  Glass, plastic, and cardboard because their electrons cannot move freely.
11.

What is static electricity?
- A.
  
  Static, unmoving particles.
- B.
  
  Moving electricity.
- C.
  
  Electric charge at rest; generally produced by friction or induction