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100
Electric companies measure the amount of electrical energy you use in this.
What are kilowatt hours?
100
This measures how strongly the electrons in a wire are pushed.
What is a volt?
100
If too much current flows through the special wire in this, the wire melts. This leaves a gap that stops the flow of electricity.
What is a fuse?
100
These switch off when too much current flows through the circuit.
What is a circuit breaker?
100
A giant spark of electric charges moving between a cloud and the ground, between a cloud and another cloud, or within a cloud.
What is lightning?
200
This can also make electricity.
What is magnetism?
200
A kilowatt equals how many watts?
What is 1,000?
200
In an electric current, electricity flows this way.
What is steadily?
200
This part of the atom is negatively charged.
What is an electron?
200
What is a special outlet with a safety switch that instantly switches off in some dangerous situations to help prevent shock?
What is GFCI outlet?
300
Who measures the number of kilowatt-hours that are used in a home?
What are electric companies?
300
You can reduce your energy usage by using these kinds of light bulbs.
What are energy-saving light bulbs?
300
The electricity used in most homes originates here.
What is a power plant?
300
Atoms usually have the same number of these.
What are protons and electrons?
300
A part of the atom that is positively charged.
What is proton?
400
This is a device that uses electricity to produce magnetism.
What is an electromagnet?
400
Rectangular batteries use this kind of volt.
What is 9?
400
A unit used to measure how fast electrical energy is used.
What is a watt.
400
By using this switch, you can decide how brightly a light will shine.
What is a dimmer switch?
400
The special plastic that covers the wire.
What is insulation?
500
The three basic parts of a generator.
What is the coil of wire, drive shaft, and the strong magnet.
500
A device that uses a magnet to change mechanical energy into electrical energy.
What is a generator?
500
The words "volt" and "watt" were both named after these people.
What are famous scientists?
500
Opposite charges __________ each other and _______ charges repel each other.
What is attract and like?
500
You use this to control the flow of electricity.
What is switch?