Static Electricity
What is it called when electrons build up on a surface?
Static Electricity
What is a circuit?
A closed path that allows electric current to flow
What type of material lets electricity flow easily?
Conductor
What type of energy does electricity change into when it powers a light bulb?
Light and heat energy
Why should you never use electrical items near water?
Water conducts electricity and can cause shocks
What do we see or feel when static electricity is released suddenly?
A spark, or shock
What must a circuit have for electricity to flow?
A complete, closed path
Name one good conductor of electricity.
Copper, aluminum, gold, etc.
What energy source is used in batteries?
Chemical energy
What is the purpose of a circuit breaker or fuse?
To stop too much current and prevent fires
Rubbing a balloon on your hair causes electrons to move. What charge does your hair have after?
A positive charge
What happens if a switch is open?
The circuit is broken and electricity stops flowing
What type of material does not let electricity flow easily?
Insulator
What type of energy transformation happens in a toaster?
Electrical to heat energy
What does the three-pronged plug do for safety?
It grounds electricity to prevent shocks
Why does lightning happen during a thunderstorm?
Static charges build up in clouds and discharge to the ground.
What type of circuit has only one path for the current to travel?
Series circuit
Name one common insulator.
Rubber, plastic, glass, or wood
Name two renewable sources of electricity.
Solar, wind, hydroelectric, geothermal, etc.
Give one way to save electricity at home.
Turn off lights, unplug devices, use LED bulbs, etc.
What do we call the movement of electrons from one object to another by touching?
Conduction
What type of circuit allows electricity to flow through more than one path?
Parallel circuit
Why do power cords have rubber coatings?
To protect people from electric shocks by insulating the wires
What is one advantage of using renewable energy sources?
They don’t run out / are better for the environment / produce less pollution
Why is conserving electricity important?
It saves energy, reduces pollution, and lowers costs