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Electrical Charges Produce Motion

Last updated over 5 years ago

11 questions

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Question 1

1.

What happens when a balloon is rubbed across hair?

The hair stands up because the balloon has magnetism in it

The hair stands up because the balloon has all the static electricity.

The hair stands up because the balloon retains one charge and the hair the other and they are attracted to each other.

Nothing happens if you rub lightly and it will pop if you rub hard.

Question 2

2.

What materials conduct electricity?

plastic, glass, material, CD’s, cloth, calk, aluminum

CD’s, plastic, silverware, computers, foil, nails

iron, most metals, silverware, paper clips, nails

aluminum, iron, silverware, paper clips, nails

Question 3

3.

What is repelled by electricity?

plastic, glass, material, CD’s, cloth, calk, aluminum

CD’s, plastic, silverware, computers, foil, nails

ron, most metals, silverware, paper clips, nails

aluminum, iron, silverware, paper clips, nails

Question 4

4.

What is an electric field?

A visible barrier that attracts most metals

An invisible barrier that attracts most metals

A visible barrier that repels most metals

An invisible barrier that surrounds an electrical charge and attracts or repels them

Question 5

5.

Magnetz attract all metals?

True

False

Question 6

6.

What is the difference between a positive and negative charge?

Positive charges contain more protons and negative charges have more electrons.

Positive charges are greater than negative charges.

Positive charges are good charges and negative charges are bad.

Positive charges have a lower electrical potential than negative charges.

Question 7

7.

Electricity affects the motion of an object.

True

False

Question 8

8.

Negative charges

have a surplus of electrons; having a lower electric potential

do not affect the pull or push of objects

have a surplus of protons; having a greater electric potential

are always more plentiful on objects than positive charges.

Question 9

9.

_____________________ is to repel or retract an object.

neutral

positive

rupulsion

attraction

Question 10

10.

Electrically charged objects are similar to magnetism.

True

False

Question 11

11.

Electric forces describe attractions, repulsions and neutrals.

True

False