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WorksheetsSolar Energy Quiz
Total questions: 6
Worksheet time: 16mins
1-15.
Answer the questions below after watching the video
How much solar power does the Earth intercept?
173 million terawatts
173 billion terawatts
173 gigawatts
173 thousand terawatts
What is the most common material used in solar cells?
Silicon
Copper
Aluminum
Iron
What type of silicon has extra electrons?
n-type silicon
d-type silicon
p-type silicon
q-type silicon
What are the tiny particles of light called?
Electrons
Photons
Protons
Neutrons
What happens when a photon strikes the silicon cell with enough energy?
It reflects off the silicon
It heats up the silicon
It knocks an electron from its bond
It creates a hole in the silicon
What collects the mobile electrons in a solar cell?
Silicon layers
Photons
Thin metal fingers
Conductive aluminum sheet
How much voltage does each silicon cell produce?
One and a half volts
Two volts
Half a volt
One volt
What is a major physical challenge of relying completely on solar energy?
Complex installation process
Lack of sunlight
Uneven distribution of solar energy
High cost of solar panels
What is the efficiency range of most commercial solar systems?
10-15%
5-10%
15-20%
20-25%
What is the highest efficiency achieved by a solar cell so far?
36%
66%
46%
56%
What is a potential solution for the uneven distribution of solar energy?
Building more solar panels
Using alternative energy sources
Reducing energy consumption
Efficient energy storage and distribution
How much area would be needed to power the entire world with solar technology?
Thousands of square miles
Billions of square miles
Millions of square miles
Tens to hundreds of thousands of square miles
What is one innovation that may change the landscape of solar energy?
Floating solar farms
Solar-powered cars
Solar-powered airplanes
Solar-powered trains
Why is solar energy already cheaper and safer in some developing countries?
Because of government subsidies
Because of advanced technology
Due to the abundance of sunlight
Due to lower labor costs
Which places might still find effective solar energy a bit challenging?
Sahara Desert
India
Finland or Seattle
Australia
What is the primary function of solar panels?
To reflect sunlight
To convert sunlight into electricity
To store electricity
To convert wind energy into electricity
A simplified diagram of a system using solar energy is shown. To recharge the battery for later use without lighting the bulb, which of the following switches should be closed?
switch S only
switches R and S only
switches R and T only
switches R, S, and T
Strong wind spinning a wind turbine can generate which type of energy?
nuclear
electrical
thermal
chemical
What is the process called when light is converted directly into electricity within solar panels?
Photosynthesis
Electrolysis
Photovoltaic effect
Thermodynamic conversion
