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Kinetic energy is -- A. stored energy B. no energy C. imaginary energy D. energy of motion Something has potential energy if -- F. it has moving energy. G. it has no energy. H. it has stored energy. J. it is in motion. This skateboarder will have the most potential energy at point ___. A. A B. C D C. D D. G An apple is a good example of something that has -- G. electromagnetic energy. F. nuclear energy. H. chemical energy. J. mechanical energy. ____ from the wind helped early explorers sail from Europe to North America. A. potential energy B. kinetic energy C. chemcical energy D. nuclear energy A seesaw, a yo-yo, and a pencil sharpener are all good examples of things that have ____. F. nuclear energy G. mechanical energy H. chemical energy J. electromagnetic energy These pictures show which energy transformation? H. electrical to potential G. chemical to thermal F. potential to kinetic J. thermal to nuclear 1 2 The movement of atoms and molecules in matter creates warmth. What do we call this type of energy? A. chemical energy B. thermal energy C. nuclear energy D. solar energy The people who live in this house are using energy frominside the earth to heat and cool their home. Theyare using ____. F. solar energy G. hydropower H. nuclear energy J. geothermal energy Most people in the world use energy sources that take hundreds of millions of years to make. This group of energy sources is called ____. A. renewable B. geothermal C. fossil fuels D. biomass Which energy source is being used here to create electricity? F. solar energy G. hydropower H. geothermal J. fossil fuels Jordan plugged in the toaster so he could warm up a bagel for his breakfast. Which type of enery conversion just happened? G. electromagnetic energy to thermal energy F. electrical energy to thermal energy H. mechanical energy to electrical energy J. nuclear energy to electrical energy Which list below names only fossil fuels? C. oil, natural gas, coal A. wood, coal, leaves B. water, food waste, petroleum D. manure, crops, wood Which energy conversion is taking place below? G. mechanical to electromagnetic F. nuclear to electrical H. thermal to chemical J. chemical to mechanical Greenhouse gases are __. A. all gases that are bad for humans B. the gases trapped in our atmosphere C. all gases that are good for humans D. not found in earth's atmosphere Which energy sources listed below produce thegreenhouse gas called carbon dioxide when burned? F. solar, wind, geothermal H. petroleum, coal, geothermal J. natural gas, petroleum, coal G. hydropower, nuclear, solar What is the dependent variable in this hypothesis? If we use less fossil fuels and more renewable energy, then there will be less greenhouse gases produced. B. the amount of greenhouse gases C. the amount of renewable energy used A. the amount of fossil fuels used D. the number of electric cars used Which list below names only renewable energy sources? H. geothermal, biomass, hydropower G. oil, coal, natural gas F. solar, wind, petroleum J. natural gas, solar, nuclear All of the following are advantages of solar power, except -- A it does not produce greenhouse gases B can be used in most areas C is safe for humans and animals D must have sunny days Which of the following energy sources is renewable, but can be harmful to fish? F. solar energy H. hydropower G. petroleum J. geothermal energy Which three energy sources below do not cause pollution? A. solar, geothermal, wind B. oil, coal, natural gas C. nuclear, geothermal, petroleum D. biomass, hydropower, natural gas On this pie graph of India's energy use, what percentof the energy used comes from renewable sources? F. 2% H. 13% G. 4% J. 96% C. 51% A. 4% B. 13% D. 96% On this pie graph, how much of the energy being used comes from fossil fuels? |