Electric Forces Quiz

Question 1

A material through which electrons can move easily is a _______

Answer 1

Conductor

Question 2

The forces exerted between electric charges at a distance is evidence that each
charge is surrounded by an electric

Answer 2

Electric feild

Question 3

Each of the following is an example of an insulator EXCEPT _____.
a. copper
b. gass
c. rubber
d. wood

Answer 3

Copper

Question 4

An object with equal amounts of positive and negative charge is electrically _____.

Answer 4

Neutral

Question 5

A student plans an investigation to determine whether an object has a positive
charge, a negative charge, or is electrically neutral. Which statements describe
procedures and the expected results that the student should follow?
Multiple select questions.

Answer 5

b. Bring a positive pith ball near the object. If it is repelled, the object is positive.
c. Bring a negative pith ball near the object. If it is attracted, the object is positive.
f. Bring a positive pith ball near the object. If it is attracted, the object has a negative charge.

Question 6

When an object has more negative charge than positive charge, the object is called
_____.

Answer 6

electrically charged

Question 7

An electric field gets stronger as you ____.

Answer 7

get closer to a charge

Question 8

Normally, materials are electrically neutral because there are ____.

Answer 8

equal numbers of positively charged particles and negatively charged particles

Question 9

While doing laundry, Jaimee pulls clothes from the dryer. Some socks cling to a
blanket.

Answer 9

The clothes picked up opposite charges. The opposite charges are attracted to each other.

Question 10

Which solution would reduce this problem in the dryer?

Answer 10

A crinkled-up ball of aluminum foil will conduct the charges and remove the charges from the clothes.

Question 11

Electrically neutral

Answer 11

An object that has equal amounts of positive and negative charges.

Question 12

Induction

Answer 12

Charging an object without touching it by bringing a charged object close to it, causing charges to rearrange.

Question 13

Electric Insulator

Answer 13

A material that does not allow electrons to move easily (example: rubber, glass, wood).

Question 14

Electric Conductor

Answer 14

A material that allows electrons to move easily (example: copper, metal).