Energy Flashcards
What is a fuel?
a fuel is a substance which is burned to release energy
What is combustion?
Another word for burning
What happens to a substance when it burns?
It reacts with oxygen
What is the test for oxygen?
It relights a glowing splint
What happens when carbon reacts with oxygen?
It produces carbon dioxide
What is the test for carbon dioxide?
It turns lime water cloudy
How can carbon monoxide be produced?
Carbon monoxide can be produced when carbon burns in an insufficient amount of oxygen
What is carbon monoxide?
A toxic gas
What happens when hydrogen reacts with oxygen?
It produces water
What is the test for hydrogen?
It burns with a squeaky pop
What is a benefit of hydrogen?
Hydrogen is hailed as a fuel of the future because it is a clean fuel
Name 3 fossil fuels
Coal, Oil and Gas
Describe how coal, oil and gas were formed
Coal, oil and gas were formed from the remains of plants and animal organisms that lived millions of years ago
What do oil and gas produce when burned?
Oil and gas produce carbon dioxide and water when burned
