Jeopardy! Day 11: 5/5/11 Objective: I will score an 80% or better on my test tomorrow.

Jeopardy Conduction Convection Radiation Heat Temperature Potpourri 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Final Jeopardy!

What is the Method of Heat transfer? $100 Conduction What is the Method of Heat transfer?

$100 Answer Conduction Touch/contact

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Give an example of a good conductor $200 Question Conduction Give an example of a good conductor

$200 Answer Conduction Any metal

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$300 Question Conduction Give an example of conduction

$300 Answer Conduction Pan frying chicken

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Explain conduction using molecules $400 Question Conduction Explain conduction using molecules

$400 Answer Conduction Molecules vibrate and bump into neighboring molecules

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Explain how specific heat relates to conduction $500 Question Conduction Explain how specific heat relates to conduction

$500 Answer Conduction High specific heat poor conductor Low specific heat good conductor Material Specific heat (J/kg°C) water 4,184 oil 1,900 wood 1,800 Aluminum 900 Concrete 880 glass 800 steel 470 gold 129

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What is the method of heat transfer? $100 Question Convection What is the method of heat transfer?

$100 Answer Convection Fluid motion

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Daily Double Daily Double!

Give an example of natural convection Daily Double Question Give an example of natural convection

Sea breeze, land breeze, boiling water, etc. Daily Double Answer Sea breeze, land breeze, boiling water, etc.

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$300 Question Convection Give an example of Forced convection

$300 Answer Convection Attic fan, ceiling fan, space heater, blower from the furnace, blow dryer, etc.

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Why is the furnace in the basement of houses? $400 Question Convection Why is the furnace in the basement of houses?

$400 Answer Convection Hot air rises, to heat the rest of the house.

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Explain the cycle of a sea breeze. $500 Question Convection Explain the cycle of a sea breeze.

$500 Answer Convection Warm air rises over the land and is replaced by the cool air over the water.

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What is the method of Heat transfer? $100 Question Radiation What is the method of Heat transfer?

Electromagnetic waves $100 Answer Radiation Electromagnetic waves

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What color is best suited for a hot summer climate? $200 Question Radiation What color is best suited for a hot summer climate?

$200 Answer Radiation White or light color

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Give an example of radiation $300 Question Radiation Give an example of radiation

$300 Answer Radiation Sun, fire

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Why does dropping black ash on snow helps during winter? $400 Question Radiation Why does dropping black ash on snow helps during winter?

Black absorbs thermal radiation and emits as heat energy. $400 Answer Radiation Black absorbs thermal radiation and emits as heat energy.

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Explain the wave theory of radiation. $500 Question Radiation Explain the wave theory of radiation.

$500 Answer Radiation Radiant Energy travels on waves through space on particles or pure energy. Radiation is a heating mechanism that takes place through electromagnetic waves.

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$100 Question Heat Define heat

$100 Answer Heat The flow of Eth from one object to another due to temperature difference.

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Heat is the flow of ______ $200 Question Heat Heat is the flow of ______

$200 Answer Heat Energy/Eth

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What two factors determine the quantity of heat? $300 Question Heat What two factors determine the quantity of heat?

$300 Answer Heat Mass and speed 50oC 100oC 2 1

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Name 2 units used for heat. $400 Question Heat Name 2 units used for heat.

$400 Answer Heat Joules and Calories 1 Calorie = 4.186 Joules

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Explain the method of heat transfer by radiation. $500 Question Heat Explain the method of heat transfer by radiation.

$500 Answer Heat The movement of heat through space or air carried on electromagnetic waves.

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$100 Question Temperature What temperature scale boils at 100 and freezes at 0?

$100 Answer Temperature Celsius

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$200 Question Temperature At what temperature is there no kinetic energy?

$200 Answer Temperature 0 Kelvin, -273˚C, -459˚F

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$300 Question Temperature What determines temperature?

The average kinetic energy of the molecules $300 Answer Temperature The average kinetic energy of the molecules

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$400 Question Temperature What is the final temperature of 1 L of 20˚C water and 1 L of 100˚C water?

$400 Answer Temperature 60˚C 20+100=120 120/2=60

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$500 Question Temperature Who developed the absolute temperature scale?

$500 Answer Temperature Lord Kelvin

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What is the direction of heat flow? $100 Question Potpourri What is the direction of heat flow?

$100 Answer Potpourri Hot  Cold

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What transfer of energy does not require matter? $200 Question Potpourri What transfer of energy does not require matter?

$200 Answer Potpourri Radiation

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What method of energy transfer is used for frying eggs? $300 Question Potpourri What method of energy transfer is used for frying eggs?

$300 Answer Potpourri Conduction

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Why does the Earth stay warmer during a cloudy night? $400 Question Potpourri Why does the Earth stay warmer during a cloudy night?

$400 Answer Potpourri The clouds reflect the thermal radiation back to the Earth. The clouds act as a blanket and trap the heat between the clouds and the Earth.

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$500 Question Potpourri Explain how a white Styrofoam cup with lid prevents all types of heat transfer.

$500 Answer Potpourri Styrofoam- prevents conduction Lid- prevents convection and radiation White color- prevents radiation

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Final Jeopardy Topic

Final Jeopardy Question What are temperatures on the Celsius scale for: Room Temperature? Body Temperature?

Final Jeopardy Answer Room Temperature? 20°C Body Temperature? 37°C

Thank you for playing!