What is the flow of electricity through a conductor?
What is electric current.
100
Electricity can produce heat, sound, motion, and _______?
What is light.
100
True or False:
Electric charges within an electric current will flow in many different directions.
What is False. The electric charges will flow only one way at a time.
100
At what location is electrical energy produced?
What is a power plant.
100
What material is a good conductor of electricity?
A) Wood
B) Aluminum
C) Plastic
What is B) Aluminum
200
What is a path through which electric current can flow?
What is circuit
200
Name 2 ways you use electricity everyday.
What is
1) my phone charging
2) turning on and off the lights
3) using my computer
200
In our lab, what was the power source of our circuit?
What is the batteries.
200
How is the energy sent over long distances?
What is through power lines.
200
An electric generator converts ____________ energy into electrical energy.
What is mechanical energy
300
What is the device that can open or close the path in the circuit?
What is switch.
300
What is the object in a circuit that resists the flow of electrons?
What is resistor.
300
What is the power source?
The power source provides electrical energy for the circuit.
300
True or False:
After electrical energy is produced, it is sent to a transformer to increase the voltage so the energy can travel long distances.
What is True.
300
True or False:
To have a working electromagnet, charged particles need to be moving in an electric circuit.
What is True
400
What is an object in an electrical circuit that resists the flow of electrons?
What is resistor.
400
When electrons flow through a resistor, some of the energy lost is transformed into a different form of energy. Name 2 of forms of energy.
What is light, heat, sound, or motion.
400
What is the role of the switch in a circuit?
The switch is used to open and close the path of electricity through the circuit. When the switch is closed, the circuit is complete and the electric current can flow.
400
True or False:
Before the electrical energy enters the home, its voltage is increased by a transformer.
What is false. The voltage is decreased by a transformer.
400
Which device produces electric currents by spinning an electric coil between the poles of a magnet?
What is a generator.
500
What is a magnet that forms when electric current flows through wire wrapped in coils around an iron?
What is electromagnet.
500
What is the device that produces alternating current by spinning an electric coil between the poles of a magnet OR changes motion into electrical energy?
What is generator.
500
What is the electric current?
The electric current follows the lines in a circuit and flows back to the source.
500
True or False:
Power plants turn coal into heated water and steam. Steam is used to spin a turbine that creates electricity.
What is True
500
A battery converts what type of energy into electrical energy?