Vocabulary
Vocabulary
Thermal Energy
Electricity
Circuits
100
The random kinetic energy of the moving particles in a substance or an object.
Thermal Energy
100
The transfer of thermal energy that results from the collision of particles.
Conduction
100
Which of the following is NOT a good conductor of thermal energy? Copper, fiberglass, steel, water
Fiberglass
100
What is the primary source of energy in the United States?
Fossil Fuels
100
A circuit in which there is more than one path for the current to follow.
Parallel Circuit
200
The transfer of thermal energy from warmer objects to cooler objects.
Heat
200
The transfer of thermal energy through a fluid.
Convection
200
What temperatures does water freeze and boil on the Celsius scale?
at O degrees and 100 degrees
200
What is the source of energy that drives the turbine at a hydroelectric plant?
Falling Water
200
A circuit in which there is only one path for the current to follow.
Series Circuit
300
The transfer of thermal energy as waves.
Radiation
300
A substance that conducts thermal energy poorly.
Insulation
300
When you touch the hot handle of a pot on the stove, what do you experience?
Conduction
300
Which part of an electrical plant produces an electric current using a giant magnet surrounding a spinning coil of electric wire?
Electric generator
300
What advantage does a electromagnet have over a permanent magnet?
It can be turned on and off.
400
The electric charge that builds up on a an object that has gained or lost electrons.
Static electricity
400
A continuous path through which electric charges flow.
Circuit
400
The sand on the beach is too hot to wak on with bare fee on a sunny summer day. What is the cause?
Radiation
400
Which energy source uses steam from supplies of hot water lying deep underground?
Geothermal energy
400
Why are parallel circuits used in homes and buildings?
If part of the circuit fails, other parts will continue to work.
500
A temporary magnet that is made by passing an electric current through a coil of wire that surrounds an iron core.
Electromagnet
500
The flow of electric charge through a wire.
Current Electricity
500
How does insulation help keep the air inside buildings warm in winter and cool in summer?
Insulation prevents the transfer of thermal energy from the air inside a building to air outside the building and vice versa.
500
What type of energy would a calculator use that works in the light and needs a battery to work in the dark?
Solar and Chemical energy
500
What is a device that opens or closes a circuit?
A switch
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