Magnetism
Magnetism is a type of,,,
Force
Iron, nickel, and cobalt are all magnetic metals. True or False?
True
What kind of magnet can be turned on and off?
Electromagnet
The force of gravity on an object is dependent on the objects.
Mass
A coil that is magnetized only when an electric current flows through it is …
Electromagnet
The force of magnetism is stronger when magnets are...
Closer
How will these two magnets interact with each other? North Pole to North Pole
repel
As electrons move, they make...
Magnetic Fields
The term that defines a push or a pull that causes a change in motion.
Force
Provide an example of an object does not attract electricity
Answers will Vary
Where is the strongest attraction force on the magnet?
At the Poles
The North and South poles will attract each other. True or False
True
If you wrap more coils around an electromagnet, it will become
Stronger
A person would weigh less on the moon than on Earth because…
The moon has less gravity
What would we call a nail that can pick up a paperclip because it is touching a magnet?
Temporary magnet
The farther two magnets are apart, the ____________ the force of magnetism
Weaker
How are electromagnets different from magnets?
Turn them on and off
The red and black wire covers are excellent...
insulators
Several students take turns pushing a large, heavy ball in the school parking lot. What is the best way to determine which student used the most force to push the ball?
Compare the distance that the ball rolled.
Is the planet Earth considered a giant magnet?
Yes
What does magnetic attraction mean?
When magnets move toward each other
The middle of the magnet is the ________________ point.
weakest
What are the components of an electromagnet?
Iron Core, Wire, Power Source
If no gravitational forces were acting on the moon, what would happen to the moon?
It would fly off into space in a straight line
What happens when you touch a metal doorknob after rubbing your shoes on the carpet?
Millions of electrons go from your finger into the doorknob.