Week 20 Practice: Electromagnetism (Y)

Magnets produce an invisible area of magnetic force that is called a magnetic ________.

• gravity

• field

• force

• repel

Tags

NGSS.MS-PS2-3

Magnets have a magnetic ​ (a)   pole and a magnetic ​ (b)   pole.

• north
• south
• east
• west

Tags

NGSS.MS-PS2-3

When the same pole from two magnets are placed near one another, they will __________.

• attract

• stick to each other

• repel

• lose gravity

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Electromagnets use _________ to generate a magnetic field

Tags

NGSS.MS-PS2-3

What is an advantage of electromagnet compared to a bar magnet?

• there is no advantage

• you can turn off an electromagnet

• it is smaller

When ​ (a)   poles are placed near one another, they will attract.

• opposite
• same
• north
• south

Tags

NGSS.3-PS2-3

Match the following

• Attract

• To cause something to move closer

• Magnetism

• A piece of metal that attracts objects with iron in them

• Magnet

• To cause something to move away

• Repel

• A pushing or pulling force produced by a magnet

Tags

S1P2

Which is a force that pulls things toward the center of the Earth?

• Gravity

• Friction

Tags

NGSS.MS-PS2-4

Is this a balanced force or unbalanced force?

• Balanced

• Unbalanced

a set of interacting parts forming a complex whole

Tags

NGSS.MS-LS1-3