Name: _________________________________________ Date: _______________ RECORD ANSWERS BY FILLING IN THE CORRECT ANSWER BUBBLE ON THE ANSWER SHEET. 6-5.1 1. Solar energy is — A B C D energy from plants. energy from the sun. energy from Earth’s core. energy from Earth’s atmosphere. 6-5.1 2. The stored energy in batteries is an example of — A B C D solar energy. thermal energy. chemical energy. electrical energy. 6-5.1 3. Coal, gasoline, and oil release energy as heat when taken through the process of burning. How is this energy stored? A B C D as electrical energy as chemical energy as magnetic energy as mechanical energy 6-5.1 4. A nail becomes warm as it is nailed into a board. This heat is the result of friction. Friction turns what type of energy into heat? A B C D solar energy chemical energy electrical energy mechanical energy 6-5.1 5. Wood burning in a fireplace produces which kind of energy? A B C D heat energy solar energy electrical energy mechanical energy 6-5.1 6. What type of energy do plants use to produce sugar by photosynthesis? A B C D electrical heat mechanical solar 6-5.1 7. Laura got a pogo stick for her birthday. The pogo stick has a pole with a handle at one end, and a footpad with a spring at the other end. What type of energy does the spring in the pogo stick make use of? A B C D gravitational heat mechanical solar 6-5.1 8. Water can change in its physical state from a liquid to a gas. What type of energy causes this change to occur? A B C D friction heat mechanical wind Use the description and diagram of the roller coaster below to answer the next 3 questions. A roller coaster ride begins with a chain and motor. The cart carrying the people is pulled by the chain, powered by the motor, to the top of a tall hill and then let loose to coast down. The cart then continues to follow the track until it reaches the end. C N B B B A L * * Roller Coaster * * E O F Q G R H S Ride Ends Ride Begins D P 6-5.2 9. Potential energy is dependent upon the mass of an object and the height of the object. At which point in the ride is the potential energy greatest? A B C D A C F H 6-5.2 10. Kinetic energy is dependent upon the mass of the object and the speed of the object. At which point of the ride is the kinetic energy the greatest? A B C D B C D E Use the picture to help answer the next 2 questions. Dam Water Water Wheel 6-5.2 11. The water behind the dam has one type of energy that is transformed into another type of energy as it flows over the dam. Which statement about this transformation of energy is correct? A B C D The water is transformed into mechanical energy. The water changes from mechanical to potential energy. Water behind the dam has kinetic energy and water flowing over the dam has potential energy. Water behind the dam has potential energy and water flowing over the dam has kinetic energy. 6-5.2 12. Dams on rivers are constructed to transfer what type of energy into what other type of energy? A B C D nuclear to chemical magnetic to electrical chemical to mechanical mechanical to electrical 6-5.2 13. The engine in your car converts the _______________energy of gas and oxygen into the ______________ energy of engine movement. A B C D mechanical / kinetic potential / mechanical mechanical / chemical chemical / mechanical 6-5.2 14. Which answer illustrates an object with a high amount of kinetic energy? A B C D a boulder falling off a cliff a spring compressed by a weight a rubber band stretched out tight the battery of a portable radio 6-5.3 15. A generator carries out which kind of energy transfer? A B C D electrical energy to chemical energy electrical energy to light energy heat energy to electrical energy mechanical energy to electrical energy 6-5.3 16. Which type of device, found in power plants creates energy for homes? A B C D wire coils generators gas motors electromagnets 6-5.3 17. What type of device is created when a wire carrying an electric current is wrapped around an iron core producing a magnetic field like the one shown above? A B C D a motor a generator a magnetic field an electromagnet 6-5.3 18. What type of device contains an electromagnet that rotates between the poles of a magnet? A B C D spinning rotator simple electric motor electric circuit magnetic converter 6-5.4 19. During a blackout, a hospital would lose its regular source of electrical power. It would require another source of power. Which device could the hospital use in case of such an emergency? A B C D generator microwave radiator telegraph 6-5.4 20. Which type of energy transformation is occurring in the picture? A B C D heat to electrical electrical to heat electrical to mechanical kinetic to potential 6-5.4 21. The diagram below shows a simple electrical circuit containing a battery and a light bulb. What kind of energy transformation takes place in this system? A B C D chemical to electrical to light electrical to chemical to light electrical to light to chemical light to chemical to electrical 6-5.4 22. What energy transformation do the headphones in this photo perform? A B C D sound energy to electricity electrical energy to sound energy mechanical energy to light energy sound energy to the energy of motion 6-5.5 23. What process does this diagram show? warm air rises a heater cooler air drops replaces the warmer air A B C D conduction convection radiation transformation 6-5.5 24. What type of energy transfer does this heater use? A B C D convection conduction radiation transference Use the diagram to answer questions 25-26 6-5.5 25. The type of transfer shown by Scenario A (water in the pot) is heat transferred by ________________. A. Conduction B. Convection C. Radiation D. Solar 6-5.5 26. The type of transfer shown by Scenario C (heat from fire) is heat transferred by ________________. A. B. C. D. Conduction Convection Radiation Solar 6-5.5 27. How does the heat from the sun reach Earth? A B C D by convection by conduction by radiation by transference 6-5.6 28. If you measured the force required for pulling a box across the floor, which is most likely your measurement? A B C D 50 lb 50 m/s 50 m 50 N 6-5.7 29. Which answer describes how simple machines change human work? A B C D They make it easier. They make it harder. They make it less important. They make it more important. 6-5.7 30. What type of simple machine changes the direction of the force applied? A B C D pulley ramp wheel and axle wedge 6-5.7 31. A boy wants to use a wagon to carry his puppy onto a porch. What simple machine would a boy need to get the wagon onto the porch? A B C D a lever a pulley a screw an inclined plane 6-5.7 32. What is the main reason we use simple machines, such as pulleys and levers? A B C D They are used because they are interesting tools to use. They are used to reduce the force needed to complete the work. They are used to demonstrate how things were done in the past. They are used because currently we don’t have any more advanced solutions. 6-5.7 33. Which of these simple machines would help you cut a cake? A B C D inclined plane pulley wedge wheel and axle Use the diagram below to answer questions 34-35 34. In which of the above scenarios does the man do the most mechanical work (defined as force exerted over a distance)? A B C D Scenerio A Scenario B Scenario C The man does the same amount of work in each scenario 35. In Scenario A, no mechanical work was done. What is the reason for this? A The box has no mass B The box did not move C The man did not exert a force D The box and the man have the same mass Tests for Higher Standards in Science Grade 6 Conservation of Energy, 6-5 6-5.8 36. Which of these is an example of a compound machine made up of a wedge and a lever? A B C D a car an ax a screw a seesaw 6-5.8 37. Which simple machines does a wagon use? A B C D wheel and axle and lever lever and wedge inclined plane and pulley screw and wedge Use the pictures below to answer the next question. 1 2 3 4 6-5.7 38. Which truck’s ramp would require the least amount of force to load an item into the back of the truck? A B C D 1 2 3 4 Copyright © 2000-2010 S. S. Flanagan & D E. Mott 1 Do not reproduce without permission. 07/01/10 Tests for Higher Standards in Science Grade 6 Conservation of Energy, 6-5 6-5.7 39. A movable pulley allows you to — A B C D use a lever to pull the load. use less effort to pull the load. use more effort to pull the load. use a directional change to pull the load. 6-5.8 40. A jar lid is an example of which simple machine? A B C D screw pulley wedge lever 6-5.8 41. Which type of simple machine is a shovel? A B C D wheel and axle screw wedge lever Copyright © 2000-2010 S. S. Flanagan & D E. Mott 2 Do not reproduce without permission. 07/01/10 Tests for Higher Standards in Science Grade 6 Conservation of Energy, 6-5 66-5.8 42. What simple machines are found in a bicycle? A B C D Wedge, screw, pulley wheel & axle, pulley, screw lever, wheel & axle, screw wheel & axle, inclined plane, wedge 6-5.8 43. What simple machines are found in scissors? A B C D Lever, screw and inclined plane wheel & axle, pulley, lever inclined plane, wheel & axle screw, pulley, lever Copyright © 2000-2010 S. S. Flanagan & D E. Mott 3 Do not reproduce without permission. 07/01/10