Energy Resources Crossword Puzzle

QUESTIONS LIST: smog : _ is a brownish haze that forms when sunlight reacts with pollution in the air, recycling : _ means using things that have been thrown away to make new objects, biomass : _ is organic matter that can be a source of energy, natural gas : _ _ is a mixture of hydrocarbons that are in the form of gases, gasohol : alcohol can be mixed with gasoline to make a fuel called _ , fission : _ happens when an atom splits into two or more lighter atoms, acid : _ precipitation is rain, sleet, or snow that contains a lot of acids, often because of air pollutants, careful : you can conserve energy by being _ to use it only when you need to, renew : _ means “to begin again.”, power : _ plants use the energy to produce electricity, role : a part or function; purpose, photovoltaic : _ cells, or solar cells, can change sunlight into electrical energy, environment : petroleum can be harmful to animals and their _ . , nuclear : _ energy is the energy that is released when atoms come together or break apart, coal : _ is a solid fossil fuel that is made of partly decayed plant material, plastic : newspaper, aluminum cans, some _ containers, and many types of paper can be recycled, petroleum : _ is a mixture of hydrocarbons that are in the form of liquids, windmills : the electricity that is produced by _ is called wind power, fusion : _ happens when two or more atoms join to form a heavier atom, mining : remember that people remove coal from the earth by _ it, refinery : at a _ , petroleum is separated into many different products, including gasoline, jet fuel, kerosene, diesel fuel, and fuel oil, fuel : _ cells are devices that change chemical energy into electrical power.