I'm Attracted to You
Man of Steel
Just Passing Through
Super Powers
This & That
100
They repel
What happens when the north pole of a magnet comes in contact with the north end of another magnet?
100
What metals are strongly attracted to magnets?
Iron, Nickel, Cobalt
100
Finish this statement...a magnetic field is ______________.
inivisible
100
What direction does a compass always point?
Magnetic north
100
Name 3 magnets we used in this unit.
ring, bar, and horseshoe
200
What happens when opposite poles come in contact with each other?
The attract
200
Why are Canadian coins magnetic?
Because most of them are made from nickel.
200
True or False: The Earth's magnetic field isn't very strong.
true: in fact a refrigerator magnet has a magnetic field that is 20 times stronger.
200
What causes the northern and southern lights?
The Earth's magnetic field
200
Where are magnets the strongest?
At the poles.
300
List 3 objects from our Let's Go Fishing Lab that were magnetic.
staples, bell, safety pin, nickel, wire, binder clip, battery, screw
300
What is the Earth's core made out of?
Molten iron and nickel
300
List 4 items that allow a magnetic force to pass through.
wood, glass, water, fabric, carpet, styrofoam, tile
300
Of the three magnets we used in "may the force be with you', which picked up the most paperclips?
Ring magnet
300
What do compasses do?
They help people find their way.
400
Why are some metal objects attracted to magnets and others are not?
Some metal objects are ferromagnetic that means they contain either Iron, Nickel, or cobalt.
400
What are lodestones?
Magnetized pieces of iron ore that are found naturally.
400
A magnetic force is unable to pass through what material?
The human hand
400
When we made the floating compass, what did we have to do to the needle?
Magnetize it.
400
Finish this statement: A compass works with a ___________. It can spin around the face. It stops spinning when it is pointing ______________.
needle, north
500
List 3 metals that ARE NOT magnetic.
aluminum, copper, tin, titanium, zinc, or lead
500
What does the word 'magnet mean'?
It is a Greek word that means 'stone from Magnesia'.
500
What medical device uses magnets to see the brain and other parts of the body.
An MRI machine (magnetic resonance imaging)
500
What happens to the electrons in a magnet?
The electrons in each domain spin in the same direction--they are lined up.
500
Name 5 things that use magnets to make them work.
a doorbell, toys, MRI. Maglev trains, can opener, bank cards, compass, cow magnets, speakers, video tapes, telephones, t.v.
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