Physical Science Magnetism and Electricity

Magnetism is caused by ________________. 

• protons in the nucleus

• the motion of electric charges

• light waves striking certain rocks

• magic

Most elements that are magnetic are _________.

• metals

• nonmetals

• metalloids

• man made

The Earth’s magnetic shield protect life from _____________. 

• gravity waves

• asteroid impacts

• aliens

• harmful space radiation

Magnets have a north and a south ___________

• shape
• color
• pole
• region

The strongest part of a magnet is...

• the bars.
• the force field.
• the poles. 
• the middle.

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

Magnetism is a type of ____________

• force
• book
• plant
• animal

What characteristics do magnetic substances have?

• They can give you a "shock" when you touch them

• They can push or pull objects without touching them

• They are always black and cold to touch

• They fall faster than other objects when you drop them

The magnets shown will

• not move

• repel

• attract

• all of the above

A refrigerator magnet is an example of a:

• permanent magnet
• temporary magnet