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Electricity

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

Everything is made of, ___________, the building block of matter

a)

elements

b)

atoms

c)

cells

d)

star dust

2.

An atom has _______________ parts

a)

0

b)

1

c)

2

d)

3

3.

The part of an atom are ________________?

a)

the inner core, the outer core, and the shell

b)

protons, neutrons, and electrons

c)

mantel, core, and the crust

4.

Protons are ______________ charged

a)

neutrally

b)

positively

c)

negatively

d)

not charged at all

5.

Electrons have a ______________ charge

a)

neutral

b)

positive

c)

negative

d)

does not have a charge

6.

Neutrons are ______________ charged

a)

neutrally

b)

positively

c)

negatively

d)

does not have a charge

7.

The outer shell of an atom has a loosely bound electrons that can flow to other atoms?

a)

True

b)

False

8.

Materials that can pass electrons are _________________?

a)

neutral

b)

conductors

c)

insulators

d)

resistors

9.

Materials that hold on to their electrons tightly so they can't pass between atoms are _____________________?

a)

neutral

b)

conductors

c)

insulators

d)

resistors

10.

Electrons can flow through a

a)

closed circuit

b)

open circuit

c)

insulator

11.

Electrons can not flow around in an ____________

a)

closed circuit

b)

open circuit

c)

conductor

12.

____________ is the pressure that pushes the electrons around the circuit

a)

Voltage

b)

Insulator

c)

Conductor

d)

Resistor

13.

The collisions of atoms produces

a)

sound

b)

heat

c)

nothing

d)

explosions

14.

When a current passes through wire that is wrapped in a coil it causes a ____________________.

a)

fire

b)

loud bang

c)

magnetic field

d)

nothing

15.

There are ________ types of electrical current

a)

1

b)

2

c)

5

d)

8

16.

The electrical current that moves back and forth with the changing magnetic field is __________________________. It is the type of electricity you get from the wall socket in your home.

a)

Magnetic Field

b)

Direct Current/DC

c)

Alternating Current/ AC

17.

The electrical current that goes only one direction is _________________. It is the type of electrical current in batteries

a)

Magnetic Field

b)

Alternating Current/AC

c)

Direct Current/ DC