Electricity 1
All matter in the world is made up of these ultra-microscopic particles with a nucleus and an electron cloud
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 turn the power on and off?
a switch
Even though tap water can conduct electricity, this type of water is an insulator
What is distilled water?
What kind of charge does a neutron have?
A neutral charge.
An insulator prevents the movement of these subatomic particles.
What are electrons?
What component can be added to a circuit to restrict or slow down electric current?
a resistor
Rubbing your socks on the carpet and then touching the doorknob is this type of electric charging method
What do like charges do?
Repel each other.
This circuit part controls whether the circuit is "open" or "closed"
What is a switch?
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
This type of circuit has more than one path for the current to travel.
What is a parallel circuit?
This device can be made simply by wrapping some copper wire around a nail and sending an electric current through the wire
What is an electromagnet?
An electromagnet is only a magnet when this runs through it.
What is electric current?
Cables for audio and video connections are typically coated with this precious metal with an extremely high conductance
What is gold?
What is the name of the instrument for measuring electric current in amperes?
ammeter
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
Electrical safety gloves are made out of this extremely effective insulating material
What is rubber?
These boxy devices seen on telephone poles adjust the current as it travels from the power plant to your house
What is a transformer?
This circuit component stores electric charge until it is disconnected from power, at which point it releases the stored charge
What is a capacitor?
The south pole of a magnet will do what to a south pole of another magnet?
repel, push away from