Electricity 1
Everything in the world is made up of what ultra-microscopic particles?
Atoms
Protons have what type of charge?
positive
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 switch the power on and off?
a switch
True or False? It is very safe to mix electricity and water.
false - PLEASE don't EVER do that! It can be deadly.
What kind of charge does a neutron have?
A neutral charge.
True or False? An electromagnet is only a magnet when electric current is running through it.
true
What component can be added to a circuit to restrict or slow down electric current?
a resistor
Name an example of static electricity.
lightning
rubbing socks on carpet and shocking something
There are other possible examples.
What do like charges do?
Repel each other.
Open or closed? What type of circuit will turn on a light bulb?
closed
What type of circuit allows current to flow in only one path?
series
The lights in the classroom are set up in what configuration, series or parallel?
parallel
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.
Who invented the incandescent light bulb?
Edison
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.
In scientific notation, H2O is water.
How many atoms in one molecule of water?
3 atoms
2 of hydrogen
1 of oxygen
An open circuit that includes a battery, wire, switch, and bulb will light the bulb. True or False?
False
The south pole of a magnet will do what to a south pole of another magnet?
repel, push away from