HEAT FLOW FEBRUARY 4, 2015. PRE-LAB DO THE PRE-LAB TAKE 2 MINUTES.

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Presentation transcript:

HEAT FLOW FEBRUARY 4, 2015

PRE-LAB DO THE PRE-LAB TAKE 2 MINUTES

JOURNAL WRITE YOUR NAME ON THE JOURNAL WRITE YOU PERIOD YOU MUST BRING TO CLASS DAILY SURPRISE CHECKS

VOCABULARY WORDS ENERGY HEAT TEMPERATURE SPECIFIC HEAT CAPACITY

DEMONSTRATION PHET SIMULATION changes changes Series of situations Materials: Containers Wire stools Heat gauge Thermometers Energy symbols

Water container situation Flow of energy when a water container is heated Write down your observation Is it possible to boil the water?

GUIDED PRACTICE

STEP 5 COOLING THE WATER

STEPS 6-10 IRON AND BRICK CONTAINERS

MORE THAN ONE CONTAINERS

STEP 11 WATER AND IRON CONTAINERS

STEPS 12 AND 13 BRICK AND IRON (HEAT AND COLD)

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 or 1K = Cº

SPECIFIC HEAT CAPACITY DescriptionSpecific Heat Capacity Water4.187 kJ/kg K Brick0.9 kJ/kg K Iron0.46 kJ/kg K

QUESTION 1 Of the three containers, which container has the higher specific heat capacity?

QUESTION 2 Explain what does it means to have the higher specific heat capacity between the three containers.

QUESTION 3 Temperature in Kelvin for the classroom Temperature in Kelvin for outside

JOURNAL SUMMARY SUMMARY 3 MAIN POINTS FROM TODAY LESSON IN YOUR JOURNAL BE READY TO SHARE

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.