Topic 8: Energy Resources and Transfers Flashcards
Name three renewable energy sources.
Solar, wind, and hydroelectric.
Name two non-renewable energy sources.
Coal and natural gas.
What are fossil fuels?
Non-renewable energy resources formed from the remains of dead organisms over millions of years.
What is the main disadvantage of burning fossil fuels?
They release carbon dioxide, contributing to climate change.
How does a solar panel generate electricity?
It converts sunlight into electrical energy using photovoltaic cells.
What is geothermal energy?
Energy from heat stored in the Earth.
What is a wind turbine?
A device that converts kinetic energy from wind into electrical energy.
How is energy transferred in a power station?
Fuel is burned to produce heat, turning water into steam, which drives turbines connected to generators.
What is the main advantage of renewable energy resources?
They do not run out and have low environmental impact.
What is the formula for calculating power in terms of energy transfer?
Power = Energy transferred ÷ Time.
