Energy Flashcards
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Two electric charges that attract or repel each other have energy in their __________ ______
negative charge
What is an example of something with energy in its elastic charge?
Rubber bands, springs, etc
Anything stretched has energy in its elastic energy store
Magnetic Energy Store
Two magnets that attract or repel each other have energy in their magnetic energy stores.
Name 8 types of energy stores
What are the 4 main ways that energy can be transferred between stores?
What is the conservation of energy principle?
Give examples of conservation of energy
For example a ball is dropped:
Gravitational potential of the ball decreases —–> Kinetic store of the ball increases
What is another word for wasted energy (D)
Dissipation
Total energy INPUT =
The useful energy + The wasted energy
Name some chemical energy stores
Batteries, food, fuels like wood, etc
Name non-renewable energy types
Coal, fossil fuels, nuclear power
Name 5 examples of renewable energy sources
Any of the following:
solar energy, wind, hydropower, geothermal, tidal, wave, biomass
solar energy advantages
Solar power is a renewable energy resource.
There are no fuel costs.
No harmful gases are released.
wind advantages
Wind is a renewable energy resource.
Wind does not release any harmful gases.
There are no fuel costs involved in running a wind turbine.
hydropower advantages
There are no fuel costs.
No harmful gases are released
Reliable