WorksheetsChapter 7 Magnets
Total questions: 17
Worksheet time: 9mins
A compass needle points north because _______.
ships need it to navigate
its a magnet
you hold the north side down
it only shows the north
_______ produces lines of force.
A wooden stick
A ring magnet
A glass rod
An octopus
The earth's magnetic field _______.
shields from cosmic rays
warms the atmospehere
give earth an orange ring
causes the sun to shine during the day
When like poles are brought together, they _____ each other.
pull on
repel
attract
love
A crane cable is a large _____________.
electromagnet
compass
refrigerator
swing
Certain nails can become magnetized by ______.
pointing them toward the north
stroking them with a magnet
soaking them in water
sticking them in an outlet
An electromagnet is wrapped with ________.
string
wire
tiny magnets
Penny's fur
A magnet's force is strongest at its center.
A magnetic field is made up of lines of force.
A ring magnet will pick up a small steel screw.
Magnetism is an invisible force that pulls all objects together.
A magnet's south pole will repel another magnet's south pole.
A ring magnet will stick to an aluminum soda can.
A magnet is surrounded by a magnetic field.
These magnets would _________.
attract
repel
These magnets would _________.
attract
repel
These magnets would _____.
attract
repel
