Vocab
A buildup of electrical charges
static electricity
What is the main source of the Earth's heat?
The Sun
This common household item uses a filament or LED to give us light.
Lightbulb
A device that controls the flow of electrical current
switch
Heat moves from a
warmer place/object to a cooler place/object.
If you unplug a toaster while it’s still on, you are opening this type of pathway for electricity.
Circuit
A device that helps prevent short circuits
fuse
Electrical current will only pass through a
complete circuit.
This safety device in your home shuts off electricity when there’s too much current flowing.
Fuse
flow of electrical charges
electrical current
Heat can NOT move through
solids
A paperclip can carry electricity because it is made of this material.
Metal
material that heat/current does NOT move/flow through easily
insulator
Name THREE ways you use heat
To keep warm, to cook, to boil water, etc.
The rubber coating on a wire is an example of this type of material.
Insulator
material that heat/current moves/flows through easily.
Name FOUR things electricity can produce.
Heat, sound, light, motion
This handheld device must be charged with electricity to make calls or send texts.
Cellphone
What is heat?
Movement of energy between materials because they are different temperatures. Moves from hot to cold!
Name THREE ways you use electrcity.
To turn on the lights, to get to school, to play video games, to charge your Chromebook, etc.
If you leave the car lights on, it can drain this part of the car.
Battery
What is radiation?
Movement of HEAT by WAVE energy.
If the school lights go out during a storm, we call this event.
Power Outage
What is convection?
Movement of HEAT through LIQUIDS or GASES
In winter, if you rub your socks on carpet and then touch a doorknob, you might feel a shock. That shock is caused by this type of electricity.
Static Electricity
What is a circuit?
A PATH that ALLOWS current to FLOW.
When you turn on the TV, electricity flows through wires in a closed loop. This moving electricity is called...
Electrical current