Magnets Grade 8

…………………… is used to identify the direction of magnetic field around a magnet

• A compass

• B ammeter

• C speaker

• D voltmeter

Like poles have force called

• A attraction

• B repulsion

• C no force

• D constant force

Magnetic domains are

• A regions that may or may not be magnetized

• B regions of atoms magnetically aligned

• C clusters(groups) of atoms randomly aligned

• D blocks of material

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Magnet made with iron, nickel, cobalt are

• A ferromagnetic

• B non-ferromagnetic

• C transformer

• D electromagnet

Tags

NGSS.MS-PS2-3

Parts of a magnet where the magnetic forces are strongest

• A magnetic field

• B poles

• C north

• D south

When a bar magnet is broken into half, what is the result?

• A two north poles

• B two south poles

• C two north poles and two south poles

• D the bar loses its magnetic properties

What is magnetism?

• A energy created by magnets

• B force created by magnets

• C a constant force

• D an invisible force that attracts electrically charged particles

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which two metals will be attracted by a magnet?

• A iron and steel

• B gold and silver

• C aluminium and lead

• D copper and cobalt

Tags

NGSS.MS-PS2-5

A magnet will pick up a nail,but not a penny(coin)because the nail

• A contains iron

• B is lighter than the penny

• C has rust on it

• D has a sharp point

Tags

NGSS.MS-PS2-3

…………………………magnets have a North pole and South pole

• A no

• B all

• C some

• D broken

Tags

NGSS.3-PS2-4