3rd Grade Unit 1: Force and Motion

A magnet's north pole will attract another magnet's _______ pole.

• south

• north

Tags

NGSS.MS-PS2-3

When a balloon has a positive charge, it will repel a balloon that has a __________ charge.

• positive

• negative

Tags

NGSS.MS-PS2-3

A compass uses the _________ field of the Earth.

• north

• magnetic

• south

Static electricity would cause a shock when a person touches ___________________________.

• a glass window

• a wooden pencil

• an iron doorknob

• a rubber eraser

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

As two magnets move farther away from each other, their attraction gets ____________.

• weaker

• stronger

Tags

NGSS.MS-PS2-5

What type of electricity causes a shock when a person touches a doorknob?

• electric current

• static electricity

• a circuit

• magnetic electricity

How could you keep your papers from falling off the refrigerator?

• use a stronger magnet holder

• use a weaker magnet holder

• use thicker paper

• fold the papers in half

A magnet would ___________ iron fillings and _____________ paper clips.

• attract, repel

• repel, repel

• attract, attract

• repel, attract

Tags

NGSS.MS-PS2-5

Which of the following are examples of how a magnet can solve a problem? Select ALL that apply.

• a amgnetic latch keeps a door closed

• a person uses a magnet to attach a note to the fridge

• a magnetic alphabet letter helps a student read

• a person uses a magnet to steady a wobbly table

Which would be attracted to a magnet?

• ice cube

• iron nail

• wax crayon

• copper penny