Stithsonianscience Electricity 2018-19

Terms in this set (19)

positive and negative
These are the two types of charges. All matter is made of these charges, which are parts of atoms.
equal
Which are stronger, positive charges or negative charges.
same of both
Do objects usually contain more positive charges or more negative charges?
static electricity
Type of electricity where charges jump and stop.
current electricity
Type of electricity where charges flow steadily.
circuit
A complete path for electricity to flow.
turbine and generator
This device converts mechanical energy into electrical.
conductors
Materials electricity can flow through well.
insulators
Materials electricity cannot flow through well.
fuses
These safety devices have a low melting point metal in them that melts apart if too much electricity flows.
circuit breakers
Newer homes have these safety devices to protect circuits from overheating. If too much electricity flows, a spring pushes a switch open.
electromagnet
This magnet is created when wire is wrapped around a magnetic core and electricity flows through the wire.
electric field
The electric force surrounding positive and negative charges.
attract
What two opposite charges will do.
repel
What two of the same charges will do.
electrical
Type of energy created by moving charges.
indoors
The safest place to be in a thunderstorm.
solar panel
This device converts light energy into electrical.
battery
This device converts chemical energy into electrical.
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