Sparky
Electric
Circuits
Fossil Fuels
Don't get shocked!
100
What is an electrical charge that builds up in an object?
Static electricity
100
Energy that is called energy of position can also be called _________.
Potential Energy
100
A circuit that has only one path.
Series Circuit
100
What do you call a material that allows electricity through it easily?
a conductor
100
What is current electricity?
a steady stream of charges
200
Plastic is a good conductor of electricity: True or false.
false
200
The energy of motion
kinetic energy
200
Lightning is an example of static electricity. True or false?
true
200
Energy an object has because of its position or condition is called kinetic energy: True or False
False; it is potential energy
200
What is a machine that produces an electric current?
a generator
300
What is a magnetic field?
The space around a magnet in which a the force of the magnet acts.
300
How do charges move in a circuit?
along a path with no beginning or end.
300
What energy source is used to produce most of the electricity we use today?
Fossil Fuels
300
What do you call a temporary magnet?
An electromagnet
300
Does a magnet attract iron?
Yes
400
Why should people conserve energy?
People should save energy because fossil fuels are running out and cannot be replaced
400
What is solar power.
Energy from the sunlight that is harnessed to meet energy needs.
400
What is hydroelectric power?
Electricity generated by falling water, usually water trapped behind a dam.
400
How are all magnets alike?
they all attract certain metals, especially iron and steel. They do not attract some metals and material such as wood or plastic.
400
I have strung lights on my Christmas tree. One bulb blew out, but the other remain working. What kind of circuit are my lights?
A parallel circuit
500
If I wanted to build a small generator, what two items must I have?
a coil of wire and a magnet
500
List three ways people use chemical energy.
Burning gasoline in cars; using batteries to run small appliances; burning fossil fuels to make electricity.
500
True or false: gasoline has chemical energy.
True, chemical energy is stored in the bonds that hold the compound together.
500
What happens when a driver presses the horn on a steering wheel to honk the horn?
Pushing the horn completes the circuit and lets charges flow from the battery to the horn and back again.
500
If a magnet hold paper to the refrigerator, but the papers are not magnetic, what can you conclude about the refrigerator, the magnet, and the papers?
Magnetic forces pass from the magnet, through the papers, to the refrigerator.
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