18 Questions
Which of the following is a non-renewable energy source?
Coal
Why is non-renewable energy used more for large-scale energy supplies?
Renewable resources cannot provide as much energy easily.
What does thermal insulation help to reduce?
Rate of energy transfer
Why has renewable energy become more important?
In response to the finite lifetime of fossil fuels.
What is a disadvantage of solar energy as mentioned in the text?
It is not available during bad weather or at night.
How does the efficiency of a system change when waste output is reduced?
It increases
Why did fossil fuels become an important energy source during the industrial revolution?
Because they were easy to mine and provided a large amount of energy.
Which of the following is a renewable energy resource?
Geothermal
Which aspect makes solving environmental issues related to energy resources difficult?
Political, social, ethical, and economic considerations.
What factor helps to lower the rate of cooling in a building?
Using double glazing for windows
What has been a significant factor in the recent suitability of renewable energy sources?
Advancements in technology since the industrial revolution.
In terms of energy transfer by conduction, what does higher thermal conductivity of a material imply?
Higher rate of energy transfer
What type of energy is stored in a spring when it is stretched?
Elastic potential energy
In the equation 𝐸𝐸𝑘𝑘 = 1/2𝑚𝑚𝑣𝑣², what does 'm' represent?
Mass
Which energy transfer happens when a ball rolls and hits a wall?
Kinetic to sound
What does the specific heat capacity represent?
Energy required to raise the temperature of 1kg of a substance by 1°C
Which energy store is involved when a vehicle slows down due to friction?
Thermal energy
What is the formula for gravitational potential energy?
$𝐸𝐸𝑝𝑝 = 𝑚𝑔ℎ$
Test your knowledge about renewable and non-renewable energy sources, their advantages, disadvantages, and main uses in transport and electricity generation.
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