|
The energy of an object or substance in motion is called -- A. kinetic energy C. potential energy D. complete energy B. stored energy Stored energy in an object or substance that is not being used yet is called -- F. moving energy. G. no energy. H. potential energy. J. kinetic energy. B C At which point will the girl on the swing have the most potential energy? A. A B. B C. C D. D Which of the following is the best example of something that provides chemical energy? G. The moving parts of a swing. H. The light from our sun. J. The wires in the walls of our homes. F. The food we eat Which of the following could be powered by the kineticenergy of the wind? A. your bicycle B. a sailboat C. a flashlight D. a trampoline A door would be a good example of _____ energy, and gasoline would be a good example of _____ energy. F. nuclear, electrical G. chemical, electromagnetic H. mechanical, chemical J. electromagnetic, thermal The sun provides ____ energy to plants. Plants convert this energy to ____ energy. A. electrical, mechanical B. mechanical, nuclear C. electromagnetic, chemical D. thermal, electromagnetic F. kinetic to potential H. mechanical to nuclear These pictures show which energy transformation? 1 G. nuclear to mechanical J. potential to kinetic 2 D. electromagnetic A. thermal C. nuclear When heat is added to matter, the ____ energy of the atoms increases. B. chemical J. energy created from organisms that were alive millions of years ago H. electricity created by the movement of falling water, tides, or waves Which of these best describes geothermal energy? F. electricity created by sunlight passing through a solar panel G. electricity created using the warmth underneath earth's surface Which is true about fossil fuels? A. They are renewable. B. They are not used by most people. C. They are a type of biomass. D. They take millions of years to make. This diagram shows flowing water moving a turbine, which then turns a generator to produce electricity. This is an example of _____. F. solar energy G. hydropower H. geothermal J. fossil fuels Which diagram below best shows electromagnetic (solar)energy being converted into electrical energy? A B C D Which of these best shows a change from solar energy to chemical energy? F. formation of rainbows G. plugging in a toaster and making toast H. photosynthesis in leaves J. a black road getting hot in the summer Which list below names energy sources that were created from the remains of plants and animals that lived millions of years ago? A. wood, crops, manure B. petroleum, water, food waste C. coal, wood, leaves D. natural gas, oil, coal Fossil fuels, such as gas, oil, and coal have ____ energy. F. chemical G. electrical H. nuclear J. mechanical A. Gases that are not found in earth's atmosphere. C. They are all gases that are bad for humans. D. They are the gases trapped in our atmosphere. B. They are all the gases that are good for humans. What are greenhouse gases? Which list below names ONLY energy sources that produce the greenhouse gas called carbon dioxide when they are burned? F. geothermal, solar, wind H. nuclear, hydropower, solar G. coal, natural gas, petroleum J. petroleum, coal, geothermal What is the independent variable in this hypothesis? 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 If we use less fossil fuels and more renewable energy, then there will be less greenhouse gases produced. If a city wanted to begin using only renewable energyinstead of nonrenewable energy, they should use -- H. solar, wind, petroleum J. natural gas, nuclear, solar F. geothermal, wind, solar G. oil, coal, natural gas All of the following are advantages of solar power, except -- A. it is safe for humans and animals. B. it does not produce greenhouse gases C. it can be used in most areas. D. it can be used only on sunny days. Which of the following energy sources is renewable, but can be harmful to fish? G. solar energy H. geothermal energy F. hydropower J. petroleum Which three energy sources below do not cause pollution? A. geothermal, nuclear, petroleum B. natural gas, oil, coal C. wind, geothermal, solar D. biomass, hydropower, natural gas This pie graph of India's energy use shows that ____of the energy being used comes from non-renewablesources. F. 2% G. 87% H. 96% J. 98% On this pie graph, how much of the energy being used comes from fossil fuels? B. 30% C. 70% D. 90% A. 3% |