Wednesday, May 9, 2012

Science help?

1. Limitless resources include:



A.coal



B. oil



C. natural gas



D. none of the above



2. The energy transfer represented when a hair dryer is in use includes:



A.electrical to heat, mechanical, and sound



B. heat only



C. electrical to mechanical



D. electrical to radio



3. Location is the major factor in the following alternative energy usage:



A. geothermal



B. tidal energy



C. OTEC



D. all of the above



4. The form of energy characterized by the force of moving objects is:



A. mechanical



B. sound



C. radio



D. light



5. Which of the following is NOT true:



A. the earth only intercepts a very small part of the sun's output



B. wind energy is just another form of solar energy



C. wind has only recently been used to pump water and grind grain



D. biomass can be used as an energy source



6. The energy of electrons moving through a conductor is:



A. light



B. heat



C. electrical



D. nuclear



Science help?

1. D



2. C



3. B



4. A



5. B



6. C

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