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May 3, 2013 AGENDA: 1 – Bell Ringer & Part. Log 2 – Review HW 3 – Explanation of Extra Credit 4 – Demos: Gas Laws 5 – QUIET work time 6 – Turn in work Todays Goal: Students will be able to describe how the gas laws explain everyday phenomena. Homework 1. Study 35-Week Exam on the GAS LAWS ( Mon=EVEN, Tues=ODD) 2. Week 32 Work due TODAY! 3. Week 32 Quiz due TODAY! 4. Week 33 Work that you want on your PR is due Monday! 5. EC: Gas Law Poster (due Mon)

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Friday, May 3 Objective: Students will be able to describe how the gas laws explain everyday phenomena. Bell Ringer: Use Lussacs Law: P 1 T 2 = P 2 T 1 Oxygen gas, O 2, had a 10atm pressure and a temperature of 30°C. If the pressure was changed to 2atm, calculate the new temperature in the container. 5 minutes!

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4 MINUTES REMAINING…

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Friday, May 3 Objective: Students will be able to describe how the gas laws explain everyday phenomena. Bell Ringer: Use Lussacs Law: P 1 T 2 = P 2 T 1 Oxygen gas, O 2, had a 10atm pressure and a temperature of 30°C. If the pressure was changed to 2atm, calculate the new temperature in the container. 4 minutes!

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3 MINUTES REMAINING…

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Friday, May 3 Objective: Students will be able to describe how the gas laws explain everyday phenomena. Bell Ringer: Use Lussacs Law: P 1 T 2 = P 2 T 1 Oxygen gas, O 2, had a 10atm pressure and a temperature of 30°C. If the pressure was changed to 2atm, calculate the new temperature in the container. 3 minutes!

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2 MINUTES REMAINING…

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Friday, May 3 Objective: Students will be able to describe how the gas laws explain everyday phenomena. Bell Ringer: Use Lussacs Law: P 1 T 2 = P 2 T 1 Oxygen gas, O 2, had a 10atm pressure and a temperature of 30°C. If the pressure was changed to 2atm, calculate the new temperature in the container. 2 minutes!

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Friday, May 3 Objective: Students will be able to describe how the gas laws explain everyday phenomena. Bell Ringer: Use Lussacs Law: P 1 T 2 = P 2 T 1 Oxygen gas, O 2, had a 10atm pressure and a temperature of 30°C. If the pressure was changed to 2atm, calculate the new temperature in the container. 1 minute!!!

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30 Seconds Remaining…

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Friday, May 3 Objective: Students will be able to describe how the gas laws explain everyday phenomena. Bell Ringer: Use Lussacs Law: P 1 T 2 = P 2 T 1 Oxygen gas, O 2, had a 10atm pressure and a temperature of 30°C. If the pressure was changed to 2atm, calculate the new temperature in the container. 30 seconds!!!

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BELL- RINGER TIME IS UP!

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May 3, 2013 AGENDA: 1 – Bell Ringer & Part. Log 2 – Review HW 3 – Explanation of Extra Credit 4 – Demos: Gas Laws 5 – QUIET work time 6 – Turn in work Todays Goal: Students will be able to describe how the gas laws explain everyday phenomena. Homework 1. Study 35-Week Exam on the GAS LAWS ( Mon=EVEN, Tues=ODD) 2. Week 32 Work due TODAY! 3. Week 32 Quiz due TODAY! 4. Week 33 Work that you want on your PR is due Monday! 5. EC: Gas Law Poster (due Mon)

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Friday, May 3 Objective: Students will be able to describe how the gas laws explain everyday phenomena. Bell Ringer: Use Lussacs Law: P 1 T 2 = P 2 T 1 Oxygen gas, O 2, had a 10atm pressure and a temperature of 30°C. If the pressure was changed to 2atm, calculate the new temperature in the container. REVIEW

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Review Homework For MIXED PROBLEMS: remember, to know which of the Gas Laws to use… …Boyles Law With changes in P & V …Charles Law With changes in T & V …Lussacs Law With changes in P & T

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Extra Credit: Gas Law Poster (due MONDAY, 5/6/2013) For Extra Credit, make a creative poster on ONE OF THE GAS LAWS to hang up during the test. (It will count for up to 5 assignments depending on how good it is.) Your poster MUST INCLUDE the Laws: Name (ex: Boyles Law) Equation(s) Variables and Units (and how to convert, if needed) Graph of the variables: is it Direct or Inverse? Either (or both) of the following: Explanation of an example problem Explanation of a demonstration of it in real life

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Demonstrations of Boyles Law Stay Puft Marshmallow Man in a vacuum… http://www.youtube.com/watch?v=27yqJ9vJ5kQ What happens to lungs when diving underwater? Underwater demo: http://www.youtube.com/watch?v=t8wFIMbMJvs Lab explanation demo: http://www.youtube.com/watch?v=hXnkJNk45Ek Discussion: How do your lungs work?

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Demonstrations of Charles Law Balloon fun with liquid nitrogen… http://www.youtube.com/watch?v=ZgTTUuJZAFs Balloon fun with boiling water… http://www.youtube.com/watch?v=GcCmalmLTiU Discussion: How do hot air balloons work?

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Demonstrations of Lussacs Law How to get an egg into a bottle… http://www.youtube.com/watch?v=N133Ya9iEBY Bill Nye: Bottle and Can Crusher (Really, this addresses all of the Gas Laws.) http://www.youtube.com/watch?v=NOSNS3IvR_M Discussion: What happens to tire pressure in winter? Aerosol cans warn: Dont expose to heat… Why?

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