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Energy Transformations
Quiz by Gary Hartle
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14 questions
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- Q1As potential energy decreases, kinetic energy...disappears.decreases.increases.stays the same.30s
- Q2Turbines that are used in windmills and hydroelectric dams transform _____________ energy to _________________ energy.chemical- thermalmechanical- electricalnuclear- electricalmechanical- radiant30s
- Q3Batteries, food, and fossil fuels store this type of energy.electricalchemicalradiantnuclear30s
- Q4Chemical energy is a form of _____________ energy.KineticPotentialRadiantNuclear30s
- Q5Which bar graph represents the potential and kinetic energy of a roller coaster cart when it is halfway down a hill?BECA30s
- Q6We eat food so that our bodies can transform its ______________ energy to ______________ energy when our muscles move our body, and ___________________ energy which we call body heat.chemical- potential- radiantnuclear- chemical- electricalchemical- mechanical- thermalnuclear- potential- thermal30s
- Q7Stored energy, or the energy of position is...potential energy.mechanical energy.thermal energy.kinetic energy.30s
- Q8A science teacher jumps on a trampoline. After the teacher leaves the trampoline, during her jump, at what point does the science teacher have both the greatest amount of gravitational potential energy and the least kinetic energy?On her way back down.Just after her feet leave the trampoline.Halfway up.At the top of her jump.30s
- Q9In which positions will the pendulum have the same amounts of potential and kinetic energy?points 1 and 3points 1 and 5points 3 and 5points 2 and 430s
- Q10A hot plate in a science lab is plugged into an electrical outlet and used to heat a beaker of water. What type of energy transformation is demonstrated?electrical to mechanicalthermal to electricalelectrical to thermalmechanical to thermal30s
- Q11For a flashlight to work, the _____________ energy inside the battery must transform to _______________ energy, which travels to the light bulb and transforms to both _________________ and ___________________ energy.chemical-electrical-radiant (light)-thermalchemical-radiant (light)-thermal-mechanicalmechanical-electrical-radiant-(light) - chemicalelectrical-chemical-radiant (light)-mechanical30s
- Q12The energy of motion is...nuclear energy.chemical energy.electrical energy.kinetic energy.30s
- Q13Which object has the greatest amount of gravitational potential energy?object Cobject Aobject B30s
- Q14Which type of energy do we commonly call 'heat'?thermal energyelectrical energynuclear energychemical energy30s