DC
What does DC stands for
Direct Current
What does AC stand for?
Alternating Current
What is another name for Wind Power Plant
Wind farm
What does a conductor do
Allows energy to flow easily
What do batteries power?
Toys, remotes, and phones.
Which direction does Direct current flow in ?
Always staright
What is the main characteristic of alternating current?
Changes Directions
What do Solar Panels convert to get Electricity
Sunlight
What do we call the buildup of electric charge on an object?
Static
What are the 3 parts of a battery
Anode, cathode, and electrolyte.
What chemicals react in fuel cells? Hint: there are 2
Oxygen and Hydrogen
What type of devices commonly use AC electricity? Name as much as you can
Lights, TVs, and refrigerators.
What natural resource do hydro power plants rely on to generate electricity?
Flowing Water
What is the process called when magnets create electricity?
Electromagnet induction
What is the difference between Primary and Secondary batteries
Primary batteries can only be used for a certain amount of time and Secondary batteries can be recharged unlike the primary batter which can't.
What are some vehicles that use hydrogen fuel cells for energy ? Name at least Three
forklifts, cars, boats, and buses etc.
Why is AC used for long-distance electricity transmission?
Saves Power loss
What fuels do thermal power plants burn to generate electricity?
Fossil fuels (coal, natural gas, or oil).
How do insulators protect us?
They prevent electric shocks.
How does recharging a battery work?
Reverses the chemical reaction.
Why do fuel cells not require recharging?
Because they produce Electricity continuously
How many times does AC change direction (per sec ) in many countries?
60
What process do nuclear power plants use to generate energy?
Nuclear fission
Copper, aluminum, silver, gold.
What role do ions play?
Move between anode, cathode.