environmental Flashcards
(27 cards)
What is renewable energy?
Energy that is generated from natural processes that are continuously replenished.
True or False: Solar energy is a type of renewable energy.
True
Fill in the blank: Wind energy is harnessed using _______.
wind turbines
What is the primary source of geothermal energy?
Heat from the Earth’s interior.
Which of the following is NOT a renewable energy source? A) Solar B) Coal C) Wind D) Hydro
B) Coal
True or False: Biomass energy can be derived from organic materials.
True
What is the process of converting sunlight into electricity called?
Photovoltaics
Multiple choice: Which type of renewable energy uses the gravitational pull of water? A) Wind B) Hydro C) Solar D) Biomass
B) Hydro
What is the main advantage of renewable energy sources?
They are sustainable and have a lower environmental impact.
Fill in the blank: The energy produced by the movement of ocean waves is called _______.
wave energy
True or False: Renewable energy sources contribute to greenhouse gas emissions.
False
What is the term for energy obtained from the heat stored beneath the Earth’s surface?
Geothermal energy
Which renewable energy source is considered the most abundant?
Solar energy
Multiple choice: What type of biomass is commonly used for energy production? A) Wood B) Plastic C) Glass D) Metal
A) Wood
Fill in the blank: The main technology used to harness wind energy is _______.
wind turbines
What is the environmental benefit of using renewable energy?
It reduces pollution and carbon emissions.
True or False: Hydroelectric power is generated by flowing water.
True
What is the main limitation of solar energy?
Its efficiency can be affected by weather and time of day.
Multiple choice: Which renewable energy source can be stored for later use? A) Solar B) Wind C) Biomass D) All of the above
D) All of the above
What is the primary challenge associated with renewable energy sources?
Intermittency and storage.
Fill in the blank: Renewable energy sources are often referred to as _______ energy.
clean
True or False: Renewable energy can be used for both electricity generation and heating.
True
What is a common method to store energy generated from renewable sources?
Batteries
