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Published byWilfrid Dalton Modified over 9 years ago
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HEAT FLOW FEBRUARY 4, 2015
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PRE-LAB DO THE PRE-LAB TAKE 2 MINUTES
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JOURNAL WRITE YOUR NAME ON THE JOURNAL WRITE YOU PERIOD YOU MUST BRING TO CLASS DAILY SURPRISE CHECKS
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VOCABULARY WORDS ENERGY HEAT TEMPERATURE SPECIFIC HEAT CAPACITY
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DEMONSTRATION PHET SIMULATION https://phet.colorado.edu/en/simulation/energy-forms-and- changes https://phet.colorado.edu/en/simulation/energy-forms-and- changes Series of situations Materials: Containers Wire stools Heat gauge Thermometers Energy symbols
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Water container situation Flow of energy when a water container is heated Write down your observation Is it possible to boil the water?
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GUIDED PRACTICE
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STEP 5 COOLING THE WATER
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STEPS 6-10 IRON AND BRICK CONTAINERS
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MORE THAN ONE CONTAINERS
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STEP 11 WATER AND IRON CONTAINERS
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STEPS 12 AND 13 BRICK AND IRON (HEAT AND COLD)
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POST LAB Specific heat capacity is the amount of heat required to raise the temperature of 1 gram of a substance by 1 Kelvin (K). 1 Kelvin is equal to Celsius + 273 or 1K = Cº + 273.
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SPECIFIC HEAT CAPACITY DescriptionSpecific Heat Capacity Water4.187 kJ/kg K Brick0.9 kJ/kg K Iron0.46 kJ/kg K
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QUESTION 1 Of the three containers, which container has the higher specific heat capacity?
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QUESTION 2 Explain what does it means to have the higher specific heat capacity between the three containers.
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QUESTION 3 Temperature in Kelvin for the classroom Temperature in Kelvin for outside
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JOURNAL SUMMARY SUMMARY 3 MAIN POINTS FROM TODAY LESSON IN YOUR JOURNAL BE READY TO SHARE
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AIM PROMPT What will happen to the temperature in the classroom when the window is opened? Use the RACE format (A paragraph of at least 3 sentences). Use evidence from the lab to support your claim.
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