KS3 Y7 Fossil Fuels

Gap-fill exercise.

Name:_________________________Class:___________________Date:__________________

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button if available to get a clue. Note that you will lose points if you ask for hints or clues!
   225      40      buried      coal      died      heat      liquid      natural      non renewable      replaced      rotting      sea      sea bed      squashing      tiny   
There are three main fossil fuels.

They are which is in solid form.
Oil which is in the form and gas which is in the gas form.

Coal is formed from plants that and which became in mud which prevented them from . Over many years layers of mud will settle on the dead plants. With this and with the coming from the earth the mud and dead plants are turned into .

Oil and gas are similarly formed except that these are from animals and plants that live in the . When they die they settle on the and mud and sediments will settle on top of them.

Fossil fuel is which means that once we use it they cannot be .

It is estimated that from today 2007, we have oil to last another years but we have coal to last us years.

By using less fossil fuels we can make the fossil fuel last longer. Cycling and walking to work can help.

 

 

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