Fossil Fuels Flashcards
what do fuels store
energy
when is the energy transferred
when the fuels burn
what are fossil fuels made from
plant and animals that were trapped In mud and rocks millions of years ago
examples of fossil fuels
coal, oil and natural gases
property of a fossil fuel
non-renewable
what does non-renewable mean
takes millions of years to form, and so our supplies will run out
what happens when the fossil fuels are burnt
they produce gases that cause pollution and global warming. they contain a store of energy that is transferred to their surroundings when burnt
how expensive are they to obtain
relatively cheap
where did the fossil fuels originally get their energy from
the sun. the plants that became coal got their energy from the sun and the animals that became oil got their energy from plants which got their energy from the sun.
how is coal formed
water and dirt covered plant remains million years ago. Rocks, dirt and sediment created pressure and heat to form coal deep in the ground
how is oil formed
small animals fall to the bottom of the sea and get covered in mud
