Energy Types/Misc.
What type of energy is most commonly generated from the sun?
Solar
What generally is used to capture solar energy?
Solar panels
What is the difference between nuclear fusion and fission?
Fusion fuses atoms
Fission splits atoms
Wind passes through turbines which spins a generator, transforming the wind into electrical energy
What is the dirtiest energy source specifically?
Coal
What types of energy are generated from water(2 answers)?
Hydroelectric & Tidal energy
Is solar energy 100% efficient? And why?
No, scattering causes a diffusion of energy into earths atmosphere
Which type of nuclear energy generator has produced more energy than was input?
Fission
Name two benefits of wind energy:
Clean and renewable energy, reduces dependance on fossil fuels, could create jobs, cost-effective
Which country mines the most coal?
China
What type of energy is the most efficient?
Nuclear energy
What is the biggest problem with solar power?
Solar power cannot be collected at night
Which country produces the most Nuclear energy?
(data as of 2017)
The United States
Name three downsides of wind energy:
Harm to the environment, noise pollution, potential damage to wildlife, high costs, visual annoyance, cannot operate efficiently with low wind levels, etc.
What makes a energy source renewable or not?
The energy is gained from the source at a rate where the source regenerates faster than the resource is consumed.
What type of energy generation is most commonly affected by the moon?
Tidal
How much of the worlds energy was generated by solar power last year?
The closest group gets the points:
4%
Is nuclear energy considered renewable? And why or why not?
Nuclear energy is not considered renewable due to its reliance on uranium-235 and other materials
What are the two main types of wind turbine?
Horizontal-axis turbines & Vertical-axis turbines
Are Phytoplankton considered a renewable energy source and why(generally)?
Phytoplankton are considered renewable due to their rapid growth as biofuels.
Define and describe Solar energy, wind energy, nuclear energy, and water power:
Solar: Nearly entirely solar panels which use the suns radiation to produce electrical energy.
Wind: These are often wind turbines which use high winds in an area to spin a turbine, spinning a generator.
Nuclear: This represents fusion and fission reactions; launching particles into each other to either combine particles to release energy or split particles to release energy.
Water: This includes both tidal and hydropower and relates to the movement of the waves through the ocean and through a generator.
What specifically is used to capture solar energy?
Hint: Think back to the 100 point question
Photovoltaics
What is the most common type of nuclear reactor?
(and if you know, how is it often used?)
The most common type of nuclear reactor is a Pressurized water reactor(PWR) or in Russia, the VVER.
These originated as Nuclear submarine power plants.
What specific energy types are transformed between when harnessing wind energy?
Kinetic(wind movement) --> Mechanical(turbines spinning) --> Electrical(generator)
How do fossil fuels form and what chemical structure is common in them?
Fossil fuels form from prehistoric plants and animals which have been buried for millions of years.
Hydrocarbons are common in fossil fuels, burned through combustion into carbon dioxide, water, and energy as heat