1. U7 / L3 Vocabulary Fossils & Fossil Fuels

2. Decompose (Decay) to be slowly broken down by the natural processes that destroy a dead plant or body

3. Fossil Preserved remains or traces of a living thing. Can include bones, teeth, shells and tissue (skin and organs).

4. Compaction closely or firmly packed or joined together

5. Fossil Fuel Energy-rich resourced formed from the buried remains of once-living organisms. There are 3

6. Oil Formed from dead organisms (animal & slimy plants). Temperature and pressure rise until only hydrogen and carbon remain forming oil.

7. Natural Gas Formed from dead organisms (animal). Temperature and pressure rise until only hydrogen and carbon remain forming petroleum.

9. Coal Formed from dead, hard plants (sticks). Temperature and pressure rise and change into peat. Compression and heat squeeze all water out and peat turns into coal.