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Understanding Electricity at the Atomic Level

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

What is the smallest unit of matter?

a)

Atom

b)

Molecule

c)

Cell

d)

Electron

2.

What are negatively charged particles orbiting an atom's nucleus called?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Positrons

3.

What are neutral particles in an atom's nucleus called?

a)

Protons

b)

Electrons

c)

Neutrons

d)

Positrons

4.

What is the model of an atom with electrons around the nucleus called?

a)

Bohr-model

b)

Rutherford-model

c)

Thomson-model

d)

Quantum-mechanical model

5.

What is the material where electrons don't move easily called?

a)

Insulator

b)

Conductor

c)

Semiconductor

d)

Superconductor

6.

What is the material where electrons move easily called?

a)

Conductor

b)

Insulator

c)

Semiconductor

d)

Resistor

7.

What is a path connecting points with a charge difference, so electrons move, called?

a)

Electrical circuit

b)

Magnetic field

c)

Insulator

d)

Resistor

8.

What is a material with tightly bound electrons, an insulator?

a)

Plastic

b)

Human Body

c)

Brass

d)

Copper

9.

What is the movement of electrons through a conductor in an electrical circuit called?

a)

Electron Flow

b)

Proton Flow

c)

Neutron Drift

d)

Photon Movement

10.

What is an atom's central core, containing protons and neutrons, called?

a)

Atomic Nucleus

b)

Electron Cloud

c)

Molecular Bond

d)

Chemical Element

11.

Which subatomic particle is not found in the nucleus of an atom?

a)

Proton

b)

Neutron

c)

Electron

d)

All of the above are found in the nucleus