Force at a distance
Earth's Magnetic Field
Magnetic or Not
Diagrams and Domains
Daily Double
100
The proportionality relationship between distance and the strength of the magnetic force exerted by a magnet.
Inverse
100
The Magnetic North Pole is located where?
The Geographic South Pole.
100
Paper clip, nail, and iron filings are all examples of this kind of material.
Ferromagnetic.
100
The interaction of the nails as the two magnets are brought closer together.
The nails would move further outward away from each other.
100
3 Most common metals that are Ferromagnetic
Iron, Cobalt, Nickel.
200
What you see when you bring an unrubbed nail to a compass needle.
Attraction
200
The Earth's magnetic field is strongest here.
At the poles.
200
Gold, Plastic, and Aluminum all have this in common.
Non-Ferromagnetic
200
The direction of the arrows on magnetic field Lines.
Outwards/away at the North Poles
Inwards/towards the South Poles
200
Magnetism is used in... List 3 daily uses
TV
Speakers
Refrigerator seal
MRI
Airpods
Store Data in computers
etc.
300
How will these two magnets interact?
Repel
300
Earth's Magnetic Field protects us from this.
Solar winds/flares
300
A magnet I can turn on and off.
An electromagnet
300
What happens to the domains in a magnetized paperclip when it is superheated.
They become randomized/unaligned.
300
animals use the earth's magnetism to ____
migrate
400
Two examples of force at a distance besides magnetism.
Gravity
Static Electricty
400
What we see when solar winds crash with Earth's Magnetic Field.
Aurora Borealis/Northern Lights
400
How can a paper clip pick up another paperclip without linking the two together?
Magnetize of the paper clips by rubbing it with another magnet.
400
Drawing challenge: A fully magnetized nail.
Teacher will judge. (Domains in nail should all face the same direction.)
400
3 Things you can do to increase the power of an electromagnet.
Increase the rod thickness.
Use a better conductor for the rod.
Wrap more coils around the rod.
Increase the battery Voltage
Have more batteries.
500
The two magnets that will experience the greatest force between them.
Magnets 1 and 2.
500
The length of time it takes for Earth's magnetic poles to shift and change location?
Hundreds of thousands of years (example: 300,000)
500
The two different types of magnetic objects
Temporary & permanent
500
Drawing challenge: A somewhat magnetized nail.
Teacher will judge. (Domains mostly aligned with some exceptions.)
500
Marvel Villain who has magnetic powers
Magneto