Question 1

What are the tiny particles that make up matter?

Accepted Answer

atoms

Answer

forces

Answer

charges

Answer

electricity

Question 2

What is the region around a charged object where an electric force is present?

Accepted Answer

electric field

Answer

electrode

Answer

none of the above

Answer

cell

Question 3

Which part of the atom has a positive charge?

Accepted Answer

proton

Question 4

What happens when electrons move from one object to another by direct contact?

Accepted Answer

conduction

Answer

induction

Answer

friction

Answer

detection

Question 5

What would you use to see if something is charged?

Accepted Answer

electroscope

Answer

electric force

Answer

thermometer

Answer

electric reader

Question 6

If a material does not allow charges to move through it easily, what is it called?

Accepted Answer

insulator

Answer

static electricity

Answer

electric discharge

Answer

conductor

Question 7

What is the part of the cell where charges enter or exit?

Accepted Answer

electrode

Answer

electron

Answer

electrolyte

Answer

nucleus

Question 8

In the formula P = V x I, what does the I stand for?

Accepted Answer

current

Answer

resistance

Answer

intensity

Answer

voltage

Question 9

Circuits need three basic parts—an energy source, wires, and what else?

Accepted Answer

load

Answer

force

Answer

energy

Answer

charge

Question 10

How many pathways are there for moving charges in a series circuit?

Accepted Answer

one

Answer

two

Answer

three

Answer

four

Question 11

Why are protons and electrons attracted to each other?

Accepted Answer

because protons have a positive charge and electrons have a negative charge

Answer

because they both are positively charged

Answer

because they both are negatively charged

Answer

because protons have a negative charge and electrons have a positive charge

Question 12

What generates electrical energy from chemical energy?

Accepted Answer

cell

Answer

current

Answer

switch

Answer

circuit

Question 13

What is a switch that automatically opens if the current is too high?

Accepted Answer

circuit breaker

Answer

fuse

Answer

conductor

Answer

insulator

Question 14

What happens if you rub a glass rod with a piece of silk and the rod becomes positively charged?

Accepted Answer

The silk becomes negatively charged.

Answer

The glass attracts more protons.

Answer

Electrons on the rod are destroyed.

Answer

Protons move to the rod.

Question 15

What is the rate at which charges pass a given point?

Accepted Answer

current

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