Vocabulary
Batteries and Generators
Types of Current
Energy Transfer
Extras
100
Part of the energy in a substance that can be released by a chemical reaction.
What is Chemical Energy?
100
What type of energy do batteries store energy as?
What is Chemical Energy
100
Which current only moves in one direction?
What is Direct Current
100
What is the equation for electric power?
What is P=I change in V (electrical power= current x potential difference
100
What is a kilowatt hour?
What is Joule (J)
200
When charges move in only one direction with the negative charges moving from a lower to a higher electric potential.
What is a Direct Current?
200
What type of energy is converted when using generators?
What is Mechanical Energy to Electrical Energy
200
Which is more practical?
What is Alternating Current
200
What is the SI unit for power?
What is Watt (W)
200
What is the average potential difference of energy transfer to our homes?
What is 120V
300
A current at which it reverses its direction many times per second (vibrating) resulting in to net motion.
What is a Alternating Current?
300
What happens as charge carries move from a higher to a lower potential energy?
What is kinetic energy.
300
This moves in all directions
What is Alternating Current
300
What is electrical energy transfered to in a wire when heated up by the filament?
What is Internal Energy
300
What are the stations at which the energy is "stationed"
What are Transformers
400
The conversion of electrical energy to internal energy in a resistant material.
What is Joule Heating?
400
What does it mean when a battery is "dead"?
What is depleted chemical energy?
400
In this current, the electrons travel in the opposite direction
What is Direct Current
400
What is a main factor in Electric Power?
What is resistance in the wires
400
What are most batteries made of?
What is Alkaline batteries
500
The rate at which a charge carriers do work.
What is Electric Power
500
What supplies our appliances?
What is Generators
500
What causes us to not see the flickering of lights?
What is Alternating Current that happens 60 times per second, therefore it happens too quickly for the eye to see.
500
When a charge moves through a filament of a light bulb, it looses its potential energy due to what?
What is collisions within the wire
500
What household items can you use to measure the potential difference of a battery?
What is A lemon, copper, and tin. This transfers chemical into electrical energy.
M
e
n
u