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- 1. Multiple ChoiceWhat does temperature measure?Heat of MoleculesºCAverage Kinetic Energy of MoleculesThermal Energy
- 2. Multiple ChoiceSpecific heat is....The measure of kinetic energy of an objects particlesA measure of the energy needed to increase the average kinetic energy of the particlesThe heating caused by the motion of flluid due to temperature differenceThe transfer of energy by electromagnetic radiation
- 3. Multiple ChoiceHow does heat flow?Always from cold to warmAlways from warm to coldBoth warm to cold & cold to warmIt depends on the temperature
- 4. Multiple ChoiceThe amount of energy required to raise the temperature 1ºC for every kilogram is called____?Thermal EnergySpecific HeatTemperatureKinetic Energy
- 5. Multiple ChoiceWhat is the equation to measure change in Thermal Energy?Q=mc∆tQ=mcQ= ∆mctm=QC
- 6. Multiple ChoiceWhat is the symbol for Thermal Energy in the specific heat formula?QtmC
- 7. Multiple Choice
There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degrees celsius. Which cup has the MOST thermal energy?Large cup (Trenta)Small cup (Tall)Medium cup (Venti)All three are the same temperature so they have the same thermal energy - 8. Multiple ChoiceWhat unit do you use to measure Thermal Energy?J/Kg ºCKgºCJ
- 9. Multiple ChoiceCopper, Stainless Steel, Carbon Steel, and Zinc were all heated using 10,000 JOULES of thermal energy. What material would be have the LARGEST change in temperature?CopperCarbon SteelZincStainless Steel
- 10. Multiple ChoiceA high specific heat means...It requires less energy to change temperatureIt requires more energy to change temperatureIt heats up very quickly
- 11. Multiple ChoiceWhen a piece of aluminum foil is taken out of the oven and cools from 100° C to 50°C, What is the change in temperature?50°0°100°150°
- 12. Multiple ChoiceCopper, Stainless Steel, Carbon Steel, and Zinc were all heated using 10,000 JOULES of thermal energy. Based on the chart, which material would be have the SMALLEST change in temperature?CopperCarbon SteelZincStainless Steel
- 13. Multiple ChoiceThe specific heat of aluminum is 0.21 cal/g°C. How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?105 J10.5 J1.05 J50 J
- 14. Multiple ChoiceIf 200 grams of water is to be heated from 24.0° C to 100.0° C to make a cup of tea, what is the mass and what is the change in temperature?m=100g, ∆t= 224 Cm=200g, ∆t=124 Cm=100g, ∆t=24 Cm=200g, ∆t=76 C
- 15. Multiple ChoiceThere are 2 pans of water, one has 100 mL in it and one has 1000mL. You add 4000 joules of energy, which one has the bigger change in temperature?100 mL1000 mLThey the same material so they both heat to the same temperatureThey both will cool down.
- 16. Multiple ChoiceIf I have 2 blocks of Aluminium (one of 1kg and one of 10 kg) and heat them up with 6,000 Joules of energy.
Which one will have the SMALLEST change in temperature?1 kg10 kgThey both heat up to the same temperatureIt depends on the temperature of the room - 17. Multiple Choice20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?418 Joules209 J83 J4.18 J
- 18. Multiple ChoiceThe specific heat(c) of copper is 0.39 J/g °C. What is the temperature change(∆t) when 100 Joules of heat(Q) is added to 20 grams of copper?12.82 °C24.12°C351 °C
- 19. Multiple Choicelowest possible temperature on the Kelvin scaleboiling pointinsulationabsolute zeroheat
- 20. Multiple ChoiceWhich of the following would be the best insulator?airaluminumcoppersilver
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