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- 1. Multiple ChoiceWhat is Thermal expansion?The transfer of thermal energy between materials by the collisions of particlesIs a decrease in a materials volume when temperature decreasesAn increase in a materials volume when temperature increasesChicken fried rice
- 2. Multiple ChoiceA bimetallic strip is made up of _____________________ welded together.two metals of the same kindtwo different metals that expand and contract unequallytwo different metals that expand and contract equally
- 3. Multiple Choice
What is Thermal Contraction
The movement of particles.
A decrease in a materials volume when its temperature decreases
The movement of fluids in a cycle because of convection
A material through which thermal energy does not flow easily.
- 4. Multiple ChoiceWhich is NOT an insulator.WoolPlasticCopperGlass
- 5. Multiple ChoiceIs iron a conductor or insulator?ConductorInsulator
- 6. Multiple ChoiceIs wood a conductor or insulator?ConductorInsulator
- 7. Multiple ChoiceConductors are materials that...Allow heat to pass throughStop heat from passing throughAllow cold to pass throughStop cold from passing through
- 8. Multiple Choice
All of the following are conductors except _______.metal spoonwireiron nailplastic spoon - 9. Multiple ChoiceThe kind of heat transfer that travels through space in electromagnetic waves is ______________________.insulation.RadiationConductionConvection
- 10. Multiple ChoiceWarm air rises and the cool air sinks demonstrates this type of heat transfer.conductionconvectionradiationInsolation
- 11. Multiple ChoiceHeat transfers from an area of ____temperature to an area of ___ temperature.high to lowlow to highhigh to highIt can travel high to low and low to high.
- 12. Multiple ChoiceThe Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?conductionconvectionradiationInsolation
- 13. Multiple ChoiceJohnny accidentally grabbed the handle of the hot pot.conductionconvectionradiation
- 14. Multiple ChoiceA group of friends gather around a fire to stay warm.conductionconvectionradiation
- 15. Multiple ChoiceWater has a specific heat of 4184 J/KgºC. Wood has a specific heat of 1760 J/KgºC. What material needs more energy to raise the temperature 1ºCWoodWaterBoth are the same
- 16. Multiple ChoiceCopper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy. What material would be the coolest after being heated?CopperCarbon SteelZincStainless Steel
- 17. Multiple Choice
What is Specific Heat?
The amount of thermal energy required to increase the temperature of 1kg of a material by 1°C.
The amount of radiant energy required to increase the temperature of 1kgof a material by 1°C
The amount of energy required to increase the temperature of 2 kg of a material by 1°C.
The amount of friction required to increase the temperature of 1 kg of a material by 1°C.
- 18. Multiple ChoiceA high specific heat means...It heats up quickly with energy addedIt requires more energy to change temperature
- 19. Multiple ChoiceWhat has particularly high specific heat?WaterGasesMetalsPoptarts
- 20. Multiple ChoiceObjects gain heat and _________.expandcontract
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