Magnetism
Induction
Color
Electromagnetic Waves
More Magnetism
100
What happens when you cut a magnet in half?
What is two separate bar magnets
100
This is how you build an electromagnet
What is a coil of wire with a current running through it
100
These lights only give a few select frequencies, not the complete spectrum
What is florescent light
100
This low frequency light heats your food
What are Microwaves
100
which pole of a magnet is iron attracted to?
What is both
200
This is a material that is slightly repelled from magnets
What is water
200
What must be true about the magnetic flux in order to induce a current in a wire
What is changing
200
This is what you see if you mix all color paints together
What is black
200
The highest frequency light we can see
What is blue?
200
Do magnets always have two poles?
What is yes
300
This is a ferromagnetic material
What is nickel, cobalt, or iron
300
How did people generate electricity before induction
What are batteries
300
This is what you see if you mix all color photons together
What is white
300
The highest frequency light
What are gamma-rays
300
What is the magnetic pole at Earth's geographic south pole?
What is the North magnetic pole
400
This is a major benefit to electromagnets
What is the ability to change their strength
400
This is the difference between motors and generators
What is rotation to electricity or electricity to rotation
400
This is the actual physical difference between different color photons
What is frequency / wavelength
400
This light is the best at diffraction
What are radio-waves
400
This is the source of all magnetism
What are moving charges
500
Draw a magnetic field around a bar magnet on the board
What is (review drawing)
500
These are three different ways to change the flux going through a loop of wire
What are loop area, magnetic field strength, loop rotation
500
Why does green paint appear green?
It absorbs all colors except green
500
What two frequency ranges are able to pass through the atmosphere
What are radio waves and visible spectrum
500
This is the location of the moving charges in a bar magnet
What are the electrons around the atoms
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