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More Options: Make a Folding Card

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Storyboard Text

• LA ﻿continues to encourage student and poses a problem for the student (30 seconds) ﻿
• That's a great explanation of the ideal gas law! I think you are really grasping this concept. ﻿Let's see how this works in the real world!
• ﻿Since they are linearly related the pressure inside the can will also increase?
• Setting up the experiment﻿ (30 seconds)
• For this experiment we are going to fill a soda can with ﻿ a small amount of water and heat it up to a boil. We will also fill up a bowl with very cold water. After the tablespoon of water reaches a boil in the can we will take it off the heat with tongs and flip it into the cold water.  If we are increasing the temperature in the can then what might happen to the pressure in this scenario?
• ﻿Conducting the experiment (2-3 minutes)
• ﻿I think the pressure inside the can will become too great and the can might explode because the internal pressure is greater than the outside pressure
• Right, so let's see how that would affect the can itself. Can you make any predictions?
• The LA ﻿confirms the student's knowledge and is positively reassuring the student that she is on the right track.
• Analyzing the ﻿results of the experiment (1 minute)
• ﻿﻿The LA begins the experiment by proposing the scenario and using the student's explanation to help her understand why they are doing this experiment with the can.
• Asking more questions and concluding the ﻿experiment
• Great explanation! ﻿This experiment shows a very simple way to relate temperature and pressure. What do you think will happen if we reversed the temperatures of the water and put hot water in the bowl and cold water in the can?
• ﻿The LA sets up the experiment and asks the student to make a prediction
• ﻿
• The student is able to use her previous knowledge about the ideal gas law to better explain why the can imploded instead of exploding. ﻿
• WOW! The can totally collapsed in on itself. That's a little different than what I thought would happened but it makes sense since the ﻿pressure on the outside of the can is lower because it was so cold in the bowl.
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• ﻿I think the can might explode instead of imploding because the pressure is greater on the outside of the can and lower on the inside of the can.
• ﻿
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