8th Grade Module 2

Cutting a bar magnet in TWO will

• Ruin the magnet

• Create two magnets, each with both poles

• Destroy the magnetic properties since the poles are separated

• Create two magnets, each with only one pole

Tags

NGSS.MS-PS2-3

Gravity is a noncontact for that can push and pull.

• True

• False

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Electric force uses charged particles, can be attractive or repulsive, and can affect matter from a distance.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

_____are positively charged particles while _____ are negatively charged particles.

• Protons; neutrons

• Protons; electrons

• Neutrons; protons

• Electrons; neutrons

Tags

NGSS.MS-PS2-3

The BEST way to increase the strength of an electromagnet would be to

• Increase the amount of wire

• Decrease the mass of object the electromagnet will be used on

• Increase the size of the battery and the amount of wire

• Increase the number of wire coils and the size of the battery

Tags

NGSS.MS-PS2-3

What happens if you place like poles (the same ends) of a bar magnet next to each other?

• The magnets repel (push away from) each other

• The magnets attract (pull toward) each other

• Nothing happens

Tags

NGSS.MS-PS2-3

What happens if you place opposite poles (ends) of a bar magnet next to each other?

• The magnets attract (pull toward each other)

• The magnets repel (push away from each other)

• Nothing happens

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Where is Earth's magnetic force the strongest?

• The force is equal at both poles

• The South Pole

• The North Pole

Tags

NGSS.MS-PS2-3

Magnetic force is a

• Noncontact force

• Contact force

• Friction force

• Gravitational force

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which end of the bar magnet attracts to the Earth's magnetic north pole.

• North

• Both north and south

• South

Tags

NGSS.MS-PS2-3