Permanent Magnets
Motion
Speed
Magnetic Fields
Electrical Energy Conversion
100
Every permanent magnet has two of these.
What is poles....North and South
100

Which is not an example of energy 

A. A bat hitting a ball and changing direction 

B. Players throwing the ball 

C. The ball sitting in a pitcher's glove before the pitch. 

D. Batter running to first base. 

100

What are two objects you can use to determine speed?

Stopwatch, Ruler, Trundlewheel, Timer, Yard stick 

100
Can you see magnetic fields?
No....they are invisible to the naked eye.
100
A light bulb converts electrical energy into ___________ and __________.
Light and heat.
200
When a permanent magnet "sticks" to another permanent magnet, we say they....
Attract
200

What are two units of measurement needed to determine the speed of an object? 

Distance and Time 

200
Name one thing that would make a magnetic field.
A permanent magnet, electromagnet.
200
A fan converts electrical energy into ____________.
Motion or mechanical energy.
300
When a permanent magnet "does not stick" to another permanent magnet, we say they...
Repel
300
What is the needle in a compass attracted to?
The Earth's magnet...or magnetic field. North pole would be acceptable too.
300
A doorbell converts electrial energy into ___________.
Sound
400
When permanent magnets with similar poles come together, they will...
Repel each other.
400
What objects will make your compass give an incorrect reading?
Metal objects with iron/cobalt/nickel, permanent magnets, or anything that creates a magnetic field.
400
A photovoltaic cell (solar cell) converts light into ____________.
Electricity
500
When permanent magnets with opposite poles come together, we say they...
Attract to each other
500
Will a compass work if you are scuba diving 50 meters below the surface of the water?
Yes.
500
A hot plate or electric stove converts electricty into __________.
Heat
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