Fossil Fuels Formation

Question 1

Coal

Answer 1

Formed from dead plants from long ago
When dead buried in mud- stopped them rotting
++ +layers of mud squashed fossils
Heat from Earth turned mud to rock turning the plant fossils into coal

Question 2

Oil and gas

Answer 2

Formed from tiny plants and animals in the sea millions of years ago
Plants and animals fell to sea bed when dead and buried in mud and sand
Mud stopped them rotting
++ layers of mud buried animals,s and turned to oil + gas
Oil gas get stuck under a layer of caprock which will not let them through