Lesson 3: Electromagnetism

Front

What does electric current flowing through a wire produce?

Back

A magnetic field.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

What happens to an electromagnet if you wrap more coils around it?

Back

It becomes stronger.

Front

How can you make an electromagnet stronger?

Back

By having more wire coils around the nail.

Front

What is an example of an electromagnet?

Back

A device that uses electric current to generate a magnetic field.

Front

What kind of magnet can be turned on and off?

Back

An electromagnet.

Front

What is the relationship between electric current and magnetism?

Back

Electric current generates a magnetic field.

Tags

NGSS.HS-PS2-5

Front

What is an electromagnet made of?

Back

A core material (like iron) wrapped with wire coils.

Front

What is the effect of increasing the voltage on an electromagnet?

Back

It increases the strength of the magnetic field.

Tags

NGSS.MS-PS2-3

Front

What is the principle behind the operation of an electromagnet?

Back

Electromagnetism, which states that electric current produces a magnetic field.

Tags

NGSS.MS-PS2-3

Front

What materials are typically used to make the core of an electromagnet?

Back

Ferromagnetic materials like iron.