Circuits
An eraser is an example of
an insulator
When you feel the cold air blowing from a fan, what type of electrical energy is the fan using?
mechanical energy
Magnets are the strongest at the
poles
Who proved lightning is an electrical current that exists in nature?
Benjamin Franklin
A metal paper clip is an example of a
conductor
Draw and label an open circuit.
Did it include...
a battery, wire, a lightbulb, and a break in the circuit?
What kind of electrical energy will let you see your school work when we turn on the lights?
radiant energy
True or false - all metals are magnetic
false
Who invented a better lightbulb?
Thomas Edison
As Krish enters the room, he flips a switch to turn on the light. Did he make a closed or an open circuit?
closed
Draw and label a closed circuit.
Did it have...
a battery, wire, a lightbulb, and no gaps or openings?
What kind of electrical energy do we use to heat the school on a cold day?
thermal Energy
What 3 things do you need to make a simple electromagnet?
copper wire, iron nail, and a battery
Who invented the 1st electric generator and electric motor?
Michael Faraday
When there lined drawn around a diagram of a magnet, the lines represent the
magnetic field
Draw and label a parallel circuit.
did it have...
at least two paths for electrons to flow, wire, at least two lightbulbs, and a battery?
What kind of electrical energy does a toaster use to heat your bagel?
thermal energy
The north pole of a magnet would _____ to the north pole of another magnet.
repel
Who invented the lightning rod and the lightning bell?
Benjamin Franklin
What are the 3 types of electric energy that can be transformed by the typical household appliance?
radiant energy, thermal energy, and mechanical energy
Draw and label a series circuit.
Did it have...
only one path for electrons to travel, a battery, at least two lightbulbs, and wire?
What kind of electrical energy does your EV3 robot use to move?
mechanical energy
What metal is most commonly magnetic?
iron
Who discovered that a magnetic field could produce a stream of electricity?
Michael Faraday
Static electricity is caused by the
build up of electric charges