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Other Sciences, Chemistry, Physics
8th -
9thgrade
Energy Unit~ Chemical Energy
19 questions
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- 1. Multiple ChoiceEnergy that is stored in chemical bonds based on the position of the bonds and is then released as thermal energy through chemical reactions isthermal energychemical kinetic energyCharcoal is burned in a barbecue pit.electrical potential energy
- 2. Multiple ChoiceWhich of the following is a conversion from chemical energy to thermal energy?Coal is burned to boil wateFood is digested and used to regulate body temperature.
Food is digested and used to regulate body temperature.Charcoal is burned in a barbeque pit.all of the above. - 3. Multiple ChoiceWhat factors determine the amount of chemical potential energy that an object has?Mass of molecules and the position of chemical bondsSpeed and mass of the moleculesThe type of molecules present and their ability to catch fireTemperature of the molecules and position of the chemical bonds
- 4. Multiple ChoiceWhich simple energy conversions are taking place when you use gasoline to make the car move?chemical, thermal, electrical, sound, kinetickinetic, thermal, light, chemicalthermal, kinetic, chemical, sound, electricalchemical, nuclear, thermal, sound
- 5. Multiple ChoiceThe Law of Conservation of Energy states that__________The overall amount of energy remains the same but some energy is completely destroyed during energy transformationsThe overall amount of energy remains the same energy cannot be created or destroyed.The overall amount of energy can change depending on the energy conversions that take place.The overall amount of energy can change because sometimes energy is lost to the environment
- 6. Multiple ChoiceWhich of these is not a source of chemical energy?SpaghettiThe SunBatteryPetroleum
- 7. Multiple ChoiceWhat type of energy can chemical transform into?HeatLightElectricalAll of the above
- 8. Multiple ChoiceWhen you lit a matchstick, the chemical bonds in the top of the match areCombined with oxygenStay the sameBroken
- 9. Multiple ChoiceA car produces chemical energy to use it asMechanical and HeatLightNo energy is created
- 10. Multiple ChoiceWhat is energy?The ability to cause a changeA forceElectricityThe ability to transform work
- 11. Multiple ChoiceEnergy of motion is which type of energy?PotentialKineticSoundGravitational
- 12. Multiple ChoiceWhat type of energy is in this picture?KineticPotentialChemicalSound
- 13. Multiple ChoiceWhen plants convert the sun's energy into food, which type of energy is it?kineticchemicalthermalradiant
- 14. Multiple ChoiceWhat kind of energy is represented in the picture?ThermalChemicalSoundNuclear
- 15. Multiple ChoiceA battery converts what type of energy to another?sound to kineticlight to heatmechanical to electricalchemical to electrical
- 16. Multiple ChoiceThe glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?thermal to lightgravitational to potentialradiant to electricalchemical to light
- 17. Multiple ChoiceEnergy that is transferred by objects touching is called?ConductionConvectionInductionRadiation
- 18. Multiple ChoiceOn a roller coaster, where is maximum potential energy?At the bottom of a big hillWhen going around a cornerWhen going upside downAt the top of a big hill
- 19. Multiple ChoiceOn a roller coaster, where is maximum kinetic energy?At the bottom of a big hillWhen going around a cornerWhen going upside downAt the top of a big hill
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