Magnetism | Electric Circuits | Electricity | Static Electricity | Mixed Bag |
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REPEL
Two magnets with LIKE poles facing one another will:
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FALSE
True or false? A circuit with a switch that is closed will not work.
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Electron
A negatively charged particle
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Static Electricity
The buildup of charges on an object is:
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Battery
Metal Nail Wire
What three items do you need to build an electromagnet?
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ATTRACT
Two magnets with OPPOSITE poles facing one another will:
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Electric Circuit
A complete pathway that electricity flows through is an:
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Positively
An object with more protons than electrons is ____________ charged
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Static Discharge
When static electricity leaves an object, it's called:
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Friction
Conduction Induction
What are the three ways static electricity can be generated?
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Magnetism
The force of attraction or repulsion of magnetic materials is:
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POSITIVE
NEGATIVE
Electricity flows IN the ________ terminal of the battery and OUT of the ________ terminal of the battery.
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Metals, Water
List two types of conductors
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Electrons
Friction
Rubbing a balloon on the back of a cat transfers extra _______ from the cat to the balloon. What is this an example of?
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mechanical energy (kinetic)
electric energy
An electric generator changes __________ into ____________
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TRUE
True or false?
Magnetic fields exist between objects even when they are not touching |
Series Circuit
A circuit that will not work if one lamp stops working is a:
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Increase the number of wire turns
How can you make an electromagnet stronger?
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Induction
Moving a negatively charged rod near a metal sphere touching a grounded sphere is an example of
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electric energy
mechanical energy (kinetic)
An electric motor changes ___________ into ___________
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You get two NEW magnets. Each one will have its own north and south pole.
When you break a magnet in half, what happens?
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Parallel Circuit
It has more than one pathway
A circuit that will work if one lamp stops working is a:
Why will it keep working? |
REPEL
Just like in magnets, like charges in electricity ____________
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Conduction
Touching a metal sphere with a positive aluminum plate is an example of:
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The devices use the interaction of TWO magnetic fields to create MOTION
Why do many devices using electromagnets also need a permanent magnet?
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