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- 1. Multiple ChoiceWhich of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?Chemical to lightElectrical to chemicalElectrical to lightChemical to electrical
- 2. Multiple ChoiceWhich of the following shows an energy transformation from chemical energy to electrical to light energy?A bolt of lightning lights the night sky.A candle glows brightly in the dark.A fire in a fireplace lights up a room.A battery causes a flashlight to shine.
- 3. Multiple ChoiceWhat energy transformations take place when a battery-operated radio is in use?Electrical to chemical to lightSound to chemical to mechanicalChemical to electrical to soundLight to electrical to thermal
- 4. Multiple ChoicePeople get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?mechanical to thermal to electricalchemical to mechanical to thermalmechanical to chemical to soundchemical to sound to electrical
- 5. Multiple ChoiceWhich of the following devices transforms electrical energy into mechanical energy?An e-readera fana manual pencil sharpeneripod
- 6. Multiple Choice
The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -chemical energy to electrical to sound.electrical energy to thermal to light.sound energy to electrical to chemical.mechanical energy to electrical to sound. - 7. Multiple ChoiceA television works by transforming electrical energy into what other kinds of energy?Light, thermal, and soundThermal, chemical, and solarSound, mechanical, and electricalLight, chemical, and mechanical
- 8. Multiple ChoiceWhich of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?chemical to electrical to lightlight to electrical to soundchemical to light to electricalelectric to light to chemical
- 9. Multiple ChoiceWhich of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?chemical to thermallight to chemicalthermal to lightchemical to electrical
- 10. Multiple ChoiceThe picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —solarlightthermalmechanical
- 11. Multiple ChoiceWarming hand over a radiator.ConductionConvectionRadiation
- 12. Multiple ChoiceEggs cooking in a frying pan.ConductionConvectionRadiation
- 13. Multiple ChoiceSnowman melting in the sun.ConductionConvectionRadiation
- 14. Multiple ChoiceWater boiling in a kettle.ConductionConvectionRadiation
- 15. Multiple ChoiceWarmth from the fireplace circulating through the house.ConductionConvectionRadiation
- 16. Multiple ChoiceTongue freezing to a metal pole.ConductionConvectionRadiation
- 17. Multiple ChoiceIce melting on a hotplate.ConductionConvectionRadiation
- 18. Multiple ChoiceFreezing outside on a cold day.ConductionConvectionRadiation
- 19. Multiple ChoiceSteam piping out of a teapot.ConductionConvectionRadiation
- 20. Multiple ChoiceBurning your hand on a hot panConductionConvectionRadiation
- 21. Multiple ChoiceIce cubes keeping lemonade cold.ConductionConvectionRadiation
- 22. Multiple ChoiceRoasting marshmallows over a fire.ConductionConvectionRadiation
- 23. Multiple ChoiceHeating a kettle on a hot furnace.ConductionConvectionRadiation
- 24. Multiple ChoiceWhat is the symbol for heat?HQTZ
- 25. Multiple ChoiceWhen heat is transferred by the movement of currents within a fluid it is calledconductionconvectionradiation
- 26. Multiple ChoiceIf two objects have different temperatures, heat will flow from the cooler object to the warmer one.truefalse
- 27. Multiple Choice5. This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:Conduction.Convection.Radiation.
- 28. Multiple Choice4. When the temperature outside rises, the temperature of the air in the house rises as well. Why is the 2nd floor air warmer than the 1st floor? __________________________________________________________________________________Conduction. The 1st and 2nd floor are touching.Convection. Warm air rises to 2nd floor.Radiation. The sun is heating the whole house.
- 29. Multiple Choice1. This picture shows warm air rising and cool air falling in a cycle. This is an example of which process?ConductionConvectionRadiation
- 30. Multiple Choice2. A metal spoon that gets warm when used to stir hot soup is an example of:ConductionConvectionRadiation
- 31. Multiple ChoiceHeat is the transfer of ___________ energy?kineticsoundmechanicalthermal
- 32. Multiple ChoiceWhich state of matter has the least amount of thermal energy?solidliquidgasplasma
- 33. Multiple ChoiceWhich state of matter has the fastest molecules?solidliquidgaswater
- 34. Multiple ChoiceWhat happens to the temperature of a object as it moves faster?temperature increasestemperature decreasestemperature stays the sametemperature increases then decreases
- 35. Multiple ChoiceWhat type of energy is stored in the particles of matter?chemical energyheat energykinetic energymechanical energy
- 36. Multiple ChoiceWhat type of energy includes both kinetic and potential energy?mechanical energychemical energyheat energysound energy
- 37. Multiple ChoiceWhat type of mechanical energy is due to the position of an object?chemical energyheat energypotential energykinetic energy
- 38. Multiple ChoiceWhat type of mechanical energy is due to the motion of an object?chemical energypotential energyheat energykinetic energy
- 39. Multiple ChoiceSea Breezes and land breezes are great examples ofcondensationconductionconvectionradiation
- 40. Multiple ChoiceThermal energy ALWAYS moves from _____ to _____.solid to liquidice to waterhot to coldsolid to gas
- 41. Multiple ChoiceJake says his thermometer reads 65 degrees and Jessie says her thermometer says 18 degrees. Their teacher says they are both correct. How is this true?Jake is in a different country than Jessie.The teacher likes Jake better.Jake is using a thermometer that measures heat in degrees Fahrenheit and Jessie's thermometer measures degrees Celsius.Jessie's thermometer is working and Jake's is not working.
- 42. Multiple Choiceon a cold,winter day,callie rubs her hands together.Stored chemical energy is transformed into mechanical energy.Due to law conservation of energy some of the energy is also transformed into____?light energysolar energykinetic energyheat energy
- 43. Multiple ChoiceWhich of the following heat transfers happen in the earth's mantle?ConvectionConductionRadiationN0NE OF THEM
- 44. Multiple ChoiceA thermal insulator doesn't allow heat to pass through it easily.TrueFalse
- 45. Multiple ChoiceIf you place a cold cup of water in the direct sunlight on a hot day, what change will take place in the thermal energy of the particles that make up the water?The particles will remain the same.The solar energy will cause the particles will slow down because the sun will make the water warmer.The particles will become smaller when the sun's energy heats the water up.The solar energy will cause the water to warm up. This will cause the particles of water to change from moving very slowly-less thermal energy (when cold) to moving quickly as they gain thermal energy (warm up).
- 46. Multiple ChoiceIdentify and explain the different types of heat transfer (convection, conduction, radiation) occurring in the following scenario. Chris went on a camping trip. During the day it was so hot that he got sunburn. When it was time to go to his campsite, he noticed smoke in the air. His father had started a fire and he felt the heat as he walked by. In the morning while his mother was cooking breakfast he accidentally touched a hot pan and got burned. Although this was the case he still had a lot of fun on the trip.Sunburn = radiation;
Smoke rising = convection;
Feeling fire = radiation;
Touching hot pan = convectionSunburn = radiation;
Smoke rising = conduction;
Feeling fire = radiation;
Touching hot pan = conductionSunburn = radiation;
Smoke rising = convection;
Feeling fire = radiation;
Touching hot pan = conduction - 47. Multiple ChoiceWhich best explains why a hot air balloon floats?The heated air expands to fill the balloon. The air in the balloon is now lighter than the surrounding air, causing the balloon to rise.The heated air expands to fill the balloon. The air in the balloon is now heavier than the surrounding air, causing the balloon to rise.The heated air contracts to fill the balloon. The air in the balloon is now denser than the surrounding air, causing the balloon to rise.The heated air contracts to fill the balloon. The air in the balloon is now lighter than the surrounding air, causing the balloon to rise.
- 48. Multiple ChoiceA student places a cup of cold water on a counter in a hot room. After a short time, the student notices that the water in the cup is no longer cold. Which best explains why the water in the cup is no longer cold?The coldness of the water transferred to the air, making the water in the cup warmer.The coldness of the water was conducted to the cup, making the water in the cup warmer.The heat from the air transferred to the water in the cup, making the water in the cup warmer.The heat from the air caused the cold water in the cup to condense, making the water warmer.
- 49. Multiple ChoiceMr. Olivares drinks coffee on his way to work. Today, he poured it into a metal travel mug instead of a paper cup. What will he most likely notice about the temperature of his coffee when he gets to work?His coffee will be colder, because the mug is taller.His coffee will still be hot, because the mug is taller.His coffee will be colder, because the mug is metallic.His coffee will still be hot, because the mug is metallic.
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