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.