Question

medal and fan for the answer!

What causes a bolt of lightning?

A.Electrical charges build up in the clouds only.

B.Electrical charges build up on the ground only.

C.Electrical charges build up in the clouds and on the ground.

D. Electrical charges build up in the space between the clouds and the ground.

Answer 1

@DollyAcquah

Answer 2

Electrical charges built up in the clouds and on the ground

Answer 3

Thank you!

another one-

If two electrically charged objects repel one another, which of the statements must be true?

A.One object has more electrons and the other has more protons.

B.The objects do not have strong electrical fields.

C.The two objects have the same electric charge.

D.Electrons will flow from one object to the other when they touch each other.

Answer 4

c. the two objects have the same electric charge
because like charges repel each other while unlike attract each other

Answer 5

Thank you!!

Last one-

Two pieces of silk have an electric charge after being rubbed on a piece of amber. What will happen when the two silk pieces are brought close together?

A.They will repel one another.

B.They will attract one another.

C.They will transfer their electrons from one to the other.

D.They will not affect one another.

Answer 6

both pieces will have the same charge.....hence they will repel each other

Answer 7

I'm sorry connection is really slow

Answer 8

*my

Answer 9

thanks, that was the last question on this test!!

first question for the next test-

What causes an electric current in a wire?

A.Electric fields cause atoms to move in the wire.

B.Electrons flow because of electrical attraction and repulsion.

C.Electrons move because of heat.

D.Electrons build up in the wire and create a charge.

Answer 10

B.Electrons flow because of electrical attraction and repulsion.

Answer 11

thanks

another-

How does an insulator stop the flow of an electric current?

A.Insulators have too many electrons.

B.Insulators have a positive charge so they absorb electrons.

C.Electrons in an insulator do not move readily.

D.Insulators convert electric energy to other forms of energy.

Answer 12

@TheRealMeeeee

Answer 13

I'm thinking C.Electrons in an insulator do not move readily.

Answer 14

C. electrons in insulators do not move readily

Answer 15

Thank you!

Another one-

What material would make the best heating element for an electric range?

A.a resistor, which converts some electric energy to thermal energy

B.an insulator, which stops the flow of electricity

C.a conductor, which carry electric currents

D.a conductor surrounded by an insulator

Answer 16

A.a resistor, which converts some electric energy to thermal energy