Energy: energy sources Flashcards
1
Q
What is a fossil fuel?give examples.
A
A fossil fuel is an energy source which has taken millions of years. Coal, natural gas and oil are some examples.
2
Q
Why is a fossil fuel bad for the environment/us?
A
Fossil fuels are bad for us and the environment because:
- when burnt they release carbon emissions which are bad for the environment.
- they also take millions of years to be made which means they cannot be restored again.
3
Q
What type of energy is stored in a fossil fuel?
A
Chemical potential energy.
4
Q
What is a renewable source of energy? give examples.
A
A renewable source of energy is a source of energy which has NOT taken millions of years to form and are good for the
environment. Examples include thermal power, solar power, hydroelectric, wind turbines etc.
5
Q
What does non-renewable mean?
A
Non-renewable means a thing which cannot be replaced
6
Q
What does finite mean?
A
Finite means, a resource which will never run out/
