Electric and Magnetic Forces

A

1

A __________ flowing through a wire is surrounded by a electric field.

current

2

The area around an electric charge that experiences the force exerted by the electric charge.

Electric Field

3

Electric force occurs when _________ create _________ and repulsive forces.

ions, attractive

4

Electric current is measured in ______________.

Amps

5

Electric force occurs when __________ create attractive and _______________ forces.

ions, repulsive

B

1

In a magnetic, opposite poles will ______________ and same poles will ______________.

attract, repel

2

A compass will always point in this direction if there is no magnetic field around it

North

3

When electrons flow through wires from a - terminal to a + terminal a/an ___________ is created.

Current

4

An electric field that is + moves __________ to/from the charge.

outward

5

When electrons  all spin in the same direction, they create an invisible force known as _____________.

Magnetism

C

1

The relationship between electricity & magnetism

electromagnetism

2

A motor, speaker, and hard drive are examples of these.

Electromagnets

3

What makes an electromagnet stronger?

Increase the number of loops.

4

To make an electromagnet ______________ you can increase the current or add a greater number of these.

stronger, loops

5

This force occurs when there is an attractive and repulsive force between two poles.

Magnetic

D

1

The two types of charges in electric and magnetic forces are ____________ and _______________.

Positive and Negative

2

When your hair stands on end each strand repelling the other, you are experiencing this.

static electricity

3

This force occurs when ions create attractive and repulsive forces

Electric

4

When electrons flow through wires from a ____________ to a ____________ terminal a current is created.

negative, positive

5

Electric charges that do not move through a current are known as ___________ _______________.

static electricity

E

1

These particles in atoms have a positive charge.

Protons

2

These particles have a negative charge.

Electrons

3

Atoms that have a positive charge will be attracted to atoms with a _____________ charge.

Negative

4

____________ have a negative charge and _____________ have a positive charge.

Electrons and protons

5

The magnetic field of a magnet is ____________ further away from the magnet

Weaker