
Energy Unit Study Guide
Quiz by Cheryl McLawhorn
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20 questions
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- Q1Which of the following objects has the most kinetic energy?a bicycle going 10 miles per houra car going 60 miles per houra rock sitting on the edge of a cliffa spring that is compressed120s
- Q2Which of the following is a form of energy? I. kinetic II. heat III. potential IV. electricalI, II, III, and IVI, II, and III onlyIV onlyI and III only120s
- Q3Which of the following statements is true?An object with mechanical energy is always able to perform work.An object with stored energy cannot have mechanical energy.An object with kinetic energy is always positioned above the ground.An object with potential energy is always in motion.120s
- Q4The wind turbines in the image above generate electrical energy, but they do not create energy. Where does the energy harnessed by wind turbines come from?the mechanical energy of air moleculesthe potential energy of the turbine bladesthe electrical energy of a power plantthe chemical energy of a battery120s
- Q5What property of light energy allows lighthouses to signal and warn ships?its ability to carry messages as radio wavesits ability to trigger heat sensors on shipsits ability to be stored until neededits ability to travel very far distances120s
- Q6_______ energy is defined as stored energy.KineticContainedPotentialDynamic120s
- Q7Which of the following statements about energy is true?Energy can be created or destroyed with sufficient heat.One form of energy cannot change into another form of energy.Energy is one of the fundamental building blocks of the universe.The amount of energy an object has always stays the same.120s
- Q8Amy is at basketball practice. She is about to shoot a free throw. When she releases the ball ….the ball will have kinetic energy but will not have potential energy.the ball will have neither kinetic energy nor potential energy.the ball will not have kinetic energy but will have potential energy.the ball will have kinetic energy and potential energy.120s
- Q9Which type of energy is involved in the operation of simple machines?electrical energythermal energychemical energymechanical energy120s
- Q10Which of the following is the correct definition of mechanical energy?energy produced from the splitting of atomsenergy an object has because of its motion or positionenergy of an object due to the random motion of its atoms and moleculesenergy stored in chemical bonds of molecules120s
- Q11A car slams on its brakes, producing friction between the tires and the road. Into which type of energy is the mechanical energy of the car converted?chemicalgravitationallightheat120s
- Q12Clyde and Marilyn are riding a roller coaster. During which section(s) of the track is their kinetic energy converted to potential energy?from point A to point B and from point C to point Dfrom point A to point B onlyfrom point B to point D onlyfrom point B to point C only120s
- Q13A light bulb is turned on. It produces light and warms up. Which statement is true?All the electrical energy is transformed to light energy.All the electrical energy is transformed to light energy and heat energy.All the electrical energy is transformed to heat energy.Some of the electrical energy is transformed to light energy and some is destroyed.120s
- Q14When energy changes from one form to another, some energy is always changed tolight.sound.electricity.heat.120s
- Q15Skateboarders use a structure called a half-pipe, like the one shown below, to do some impressive moves. Neglecting friction, at which point will the skateboarder's kinetic energy be greatest?ZXWY120s