All about energy: power up your vocabulary with this crossword puzzle! (Vocabulary Builder).1. Crude oil: -- 2. Lightest element on the periodic table: -- 3. A combustion engine -- gasoline gasoline or petrol, light, volatile mixture of hydrocarbons for use in the internal-combustion engine and as an organic solvent, obtained primarily by fractional distillation and "cracking" of petroleum, but also obtained from natural gas, by . 4. Carbon dioxide carbon dioxide, chemical compound, CO2, a colorless, odorless, tasteless gas that is about one and one-half times as dense as air under ordinary conditions of temperature and pressure. is a heat-trapping -- gas. 5. Fuel cells convert -- energy to electrical energy. 6. Alternative energy sources: sun, wind, and --. 7. A -- uses an energy source to spin its rotor rotor: see generator; motor, electric. blades. 8. Unlimited energy source: -- energy 9. Oil net: -- 10. Weathering: the natural process by which -- degrades in water 11. Ship feature that may offer greater protection against oil spills This is a list of oil spills throughout the world. Large Oil Spills to Date Oil Spills of over 100,000 tonnes or 30 million US gallons, ordered by Tonnes Spill / Tanker Location Date *Tons of crude oil link : double -- 12. -- fuels: world's leading energy source 1. petroleum 2. hydrogen 3. burns 4. greenhouse 5. chemical 6. waves 7. turbine 8. renewable 9. boom 10. oil 11. hull 12. fossil |
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