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en
CR
15
fuel: substance that provides energy
EnergyTransformation: A change from one form of energy to another
combustion: burning
fossil fuels:the energy-rich substances formed from the remains of organisms
hydrocarbons: chemical compounds that contain carbon and hydrogen atoms.
Petroleum: oil
refinery: A factory in which crude oil is heated and separated into fuels and other products
petrochemicals: compounds that are made from oil
solarenergy: energy from the sun
Hydroelectricpower: electricity formed by flowing water
biomassfuels: fuels made from living things
gasohol: Adding biomass alcohol to gasoline forms a mixture called_________
geothermalenergy: The intense heat from Earth’s interior that warms magma
nucleus: The central core of an atom that contains the protons and neutrons
Nuclearfission: the splitting of an atom’s nucleus into two smaller nuclei.
Across:2. | The intense heat from Earth’s interior that warms magma | 5. | A factory in which crude oil is heated and separated into fuels and other products | 7. | energy from the sun | 9. | compounds that are made from oil | 11. | the energy-rich substances formed from the remains of organisms | 13. | A change from one form of energy to another | 14. | substance that provides energy |
| | Down:1. | chemical compounds that contain carbon and hydrogen atoms. | 3. | The central core of an atom that contains the protons and neutrons | 4. | fuels made from living things | 6. | electricity formed by flowing water | 8. | Adding biomass alcohol to gasoline forms a mixture called_________ | 9. | oil | 10. | the splitting of an atom’s nucleus into two smaller nuclei. | 12. | burning |
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© 2013
PuzzleFast.com, Noncommercial Use Only
Across:2. | The intense heat from Earth’s interior that warms magma | 5. | A factory in which crude oil is heated and separated into fuels and other products | 7. | energy from the sun | 9. | compounds that are made from oil | 11. | the energy-rich substances formed from the remains of organisms | 13. | A change from one form of energy to another | 14. | substance that provides energy |
| | Down:1. | chemical compounds that contain carbon and hydrogen atoms. | 3. | The central core of an atom that contains the protons and neutrons | 4. | fuels made from living things | 6. | electricity formed by flowing water | 8. | Adding biomass alcohol to gasoline forms a mixture called_________ | 9. | oil | 10. | the splitting of an atom’s nucleus into two smaller nuclei. | 12. | burning |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only