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- 1. Multiple ChoiceWhich material is the best conductor of heat?glassstyrofoammetalwood
- 2. Multiple ChoiceWhat materials would be good insulators for a handle on a pan or pot that would be used on the stove?wood or plasticmetal or rubberwood or rubbercopper or steel
- 3. Multiple Choice
Why does a metal lawn chair get hot in the sun when the grass sitting in the same sunlight remains cool to the touch?Heat travels easily through plants but not metals.Heat travels easily through both plants and metals.Heat travels easily through metal objects but not through plants. - 4. Multiple ChoiceConduction can only occur between two objects when –one object is less dense than the other.both objects are in physical contact with each other.one of the objects is made of a metal.both objects are exactly the same temperature.
- 5. Multiple ChoiceWhich of the following is an example of conduction?Solar energy warming a room.Heat rising from the coils of a stove.Hot air drying a wet towel.Heat moving from a clothes iron to a shirt.
- 6. Multiple ChoiceThe particles of a gas move ____than the particles of the same substance in the liquid or solid state.fasterslowersame speed
- 7. Multiple ChoiceWhich of the following are kinds of heat transfer.ConductionConvectionRadiationAll of the above
- 8. Multiple Choice
Heat will always transfer from the ___________ object to the ________ object.
The hottest object to the coolest object.
The coolest object to the hottest object.
The solid object to the liquid object.
The liquid object to the solid object.
- 9. Multiple ChoiceJenny poured some hot chocolate into a cup and stirred it with a metal spoon. She noticed the spoon was really warm. What is the best explanation for this?The spoon is a conductor.The spoon reflects heat.The spoon is an insulator.She touched the spoon first and waited to touch the cup.
- 10. Multiple ChoiceConvection is heat transfer by-Touch an objectThe heating and cooling of a fluidElectromagnetic Waves
- 11. Multiple ChoiceRadiation is heat transfer by-TouchCirclesWaves
- 12. Multiple ChoiceIn what direction do hot liquids and gasses move?Side to SideDownUpBack and Forth
- 13. Multiple ChoiceThe way the heat is moving from the hot coffee is called...convectionradiationinsulationconduction
- 14. Multiple ChoiceWhen the 2nd story of a house is warmer than the 1st floor of a house is heat transfer throughconductionconvectionradiationthermal equilibrium
- 15. Multiple ChoiceThe sun warming your skin is an example of heat transfer throughconductionconvectionradiationthermal electricity
- 16. Multiple ChoiceHow many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if the specific heat of aluminum is 0.90 J/gx°C?297 Joules0.003 Joules297 J/gx°C0.003 J/gx°C
- 17. Multiple ChoiceWhat is the formula to calculate heat energy required to raise the temperature of any substance?Q=mc∆tQ=mcQ= ½mvm=QC
- 18. Multiple ChoiceThe energy of moving particlesheatthermal energyschooltemperature
- 19. Multiple ChoiceIs a measure of how hot or cold something isColdHeatTemperatureThermal Energy
- 20. Multiple ChoiceThe flow of thermal energy from warmer objects to cooler objectsIce ColdHeaterHeatConvection
- Answer choicesTagsAnswer choicesTags