5th Grade Earth Science S5P3

Question 1

Many wires are wrapped with a plastic coating because plastic is —

Accepted Answer

a good insulator.

Question 2

To have an electric current when using batteries, there MUST be a

Accepted Answer

a complete circuit

Question 3

1. When electricity moves through a metal wire, the wire is

Accepted Answer

a conductor

Question 4

1. What material would be safest to use as an insulator to cover electrical wires?

Accepted Answer

rubber

Question 5

Plastic, rubber, glass, and paper are all ...

Accepted Answer

insulators

Question 6

When several light bulbs are connected in a series circuit, what happens if one bulb burns out?

Accepted Answer

All of the lightbulbs will go out.

Question 7

Which material conducts electricity?

Accepted Answer

copper coin

Question 8

Wanda's dad wired new lights for her room. He turned them on & nothing happened. What's wrong?

Accepted Answer

He made a mistake that caused an open circuit.

Question 9

Lightening is an example of

Accepted Answer

static electricity discharging.

Question 10

Which of the following is necessary for electricity to move from a source to a radio?

Accepted Answer

a circuit

Question 11

1. Gary turns on the light at home. What could he do that would make this circuit open?

Accepted Answer

remove the light bulb

Question 12

Which term refers to the flow of electrical charges?

Accepted Answer

current

Question 13

The build up of charges in one place is ...

Accepted Answer

static electricty

Question 14

Which components could complete an electric circuit?

Accepted Answer

battery, wire, bulb

Question 15

1. Which of these is a conductor?

Accepted Answer

a piece of aluminum foil

Question 16

1. A closed circuit is a(n)

Accepted Answer

free flowing path

Question 17

Which would be a good conductor of electricity?

Accepted Answer

penny

Question 18

1. Marie feels a shock from touching the TV screen. This is due to the build up of

Accepted Answer

static electricity.

Question 19

You should NEVER turn on a radio if you are

Accepted Answer

in the bathtub

Question 20

Static electricity can be built up by

Accepted Answer

clothes spinning around in the dryer

Questions 20