1:00
en
CR
♥FOSSIL FUELS♥
15
petroleum : is another name for oil
refinery : a factory where crude oil is heated and separated into fuels
petrochemicals : compounds made of oil
hydrocarbons : chemical compounds that contain carbon and hydrogen atoms
fossil fuels : examples are oil, coal, and natural gas
fuel : a substance that forms energy
combustion : burning
coal : solid fossil fuel formed from plant remains
oil : thick, black, fossil fuel
naturalgas : a mixture of methane and other gasses is ________
nonrenewable : fossil fuels take millions of years to form, so they are considered ________
energyconversion : the change of one energy to another
home : a place that is normally heated by oil
bus : a type of transportation that uses natural gas for power
powerplant : this place is powered by coal energy
♥FOSSIL FUELS♥
Across:4. | chemical compounds that contain carbon and hydrogen atoms | 8. | this place is powered by coal energy | 9. | fossil fuels take millions of years to form, so they are considered ________ | 10. | is another name for oil | 13. | burning | 15. | a substance that forms energy |
| | Down:1. | the change of one energy to another | 2. | a mixture of methane and other gasses is ________ | 3. | examples are oil, coal, and natural gas | 5. | a factory where crude oil is heated and separated into fuels | 6. | compounds made of oil | 7. | solid fossil fuel formed from plant remains | 11. | thick, black, fossil fuel | 12. | a place that is normally heated by oil | 14. | a type of transportation that uses natural gas for power |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only
♥FOSSIL FUELS♥
Across:4. | chemical compounds that contain carbon and hydrogen atoms | 8. | this place is powered by coal energy | 9. | fossil fuels take millions of years to form, so they are considered ________ | 10. | is another name for oil | 13. | burning | 15. | a substance that forms energy |
| | Down:1. | the change of one energy to another | 2. | a mixture of methane and other gasses is ________ | 3. | examples are oil, coal, and natural gas | 5. | a factory where crude oil is heated and separated into fuels | 6. | compounds made of oil | 7. | solid fossil fuel formed from plant remains | 11. | thick, black, fossil fuel | 12. | a place that is normally heated by oil | 14. | a type of transportation that uses natural gas for power |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only