Electricity 1
Everything in the world is made up of what ultra-microscopic particles?
Atoms
True or False? It is very safe to mix electricity and water.
false - PLEASE don't EVER do that! It can be deadly.
What word means "the ability to make things change or to do work?"
energy
What component can be added to a circuit to allow someone to turn the power on and off?
a switch
The south pole of a magnet will do what to a south pole of another magnet?
repel, push away from
Name an example of static electricity.
lightning
rubbing socks on carpet and shocking something
There are other possible examples.
True or False? An electromagnet is only a magnet when electric current is running through it.
true
What are the parts of a circuit?
power source, wire, lightbulb (or something to power)
What do like charges do?
Repel each other.
Open or closed? What type of circuit will turn on a light bulb?
closed
What do you need to create an electromagnet?
power source, wire, type of metal
Which type of circuit has more than one path for the current to travel.
a parallel circuit
When more wire is wrapped around a nail when creating an electromagnet, what does that do to the flow of current through the wire? Increases it, decreases it, or it will stay the same?
Increases it
What is an example of an insulator?
Several examples can be given.
What is the definition AND an example of a conductor (in our electricity unit)?
A material that current can pass through easily.
There are many examples of conductors. The teacher will decide if your answer is correct.
When an electron moves to a different atom, it causes another electron to have to move. When electrons move quickly from one atom to another it makes _________.
electricity
electrical current
What is the definition AND an example of an insulator?
A material that current cannot pass through easily.
Many possible answers for an example of an insulator. Teacher will decide if it is correct.
false
What does the Law of Conservation of Energy say?