S2S4 Magnetic & Electrical Forces

Front

What is lightning?

Back

A large discharge of static electricity.

Front

How can you increase the strength of an electromagnet?

Back

Add more loops of wire.

Front

Why do socks stick together when they come out of the dryer?

Back

One has a negative charge and the other has a positive charge.

Front

What happens when a positively charged object meets a negatively charged object?

Back

The positively charged object will be attracted to the negatively charged object.

Front

Which metal is attracted to magnets?

Back

Iron.

Front

What is static electricity?

Back

An imbalance of electric charges within or on the surface of a material.

Front

What is an electromagnet?

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

What is the role of loops of wire in an electromagnet?

Back

More loops of wire increase the strength of the magnetic field.

Front

What is the difference between positive and negative charges?

Back

Positive charges attract negative charges, while like charges repel each other.

Front

What materials are typically used to make magnets?

Back

Iron, nickel, and cobalt.