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Sept. 20, 2012 AGENDA: 1 – Bell Ringer 2 – Review HW 3 – Cornell Notes: Phase Changes 4 – Demo 5 – Start Homework Today’s Goal: Students will be able.

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Presentation on theme: "Sept. 20, 2012 AGENDA: 1 – Bell Ringer 2 – Review HW 3 – Cornell Notes: Phase Changes 4 – Demo 5 – Start Homework Today’s Goal: Students will be able."— Presentation transcript:

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2 Sept. 20, 2012 AGENDA: 1 – Bell Ringer 2 – Review HW 3 – Cornell Notes: Phase Changes 4 – Demo 5 – Start Homework Today’s Goal: Students will be able to contrast the phase changes of matter. Homework 1. Phase Changes Practice Problems 2. Come after school TODAY to make up “last” Friday’s QUIZ 1 if you were absent that day (9/7/2012).

3 Thursday, Sept. 20 Objective: Students will be able to contrast the phase changes of matter. Bell Ringer: The particles in which state of matter act most like each of the following: 1.Kindergarteners on a playground 2.Senior citizens in a lunch line 3.Harlan students in the hall between classes

4 4 MINUTES REMAINING…

5 Thursday, Sept. 20 Objective: Students will be able to contrast the phase changes of matter. Bell Ringer: The particles in which state of matter act most like each of the following: 1.Kindergarteners on a playground 2.Senior citizens in a lunch line 3.Harlan students in the hall between classes

6 3 MINUTES REMAINING…

7 Thursday, Sept. 20 Objective: Students will be able to contrast the phase changes of matter. Bell Ringer: The particles in which state of matter act most like each of the following: 1.Kindergarteners on a playground 2.Senior citizens in a lunch line 3.Harlan students in the hall between classes

8 2 MINUTES REMAINING…

9 Thursday, Sept. 20 Objective: Students will be able to contrast the phase changes of matter. Bell Ringer: The particles in which state of matter act most like each of the following: 1.Kindergarteners on a playground 2.Senior citizens in a lunch line 3.Harlan students in the hall between classes

10 1minute Remaining…

11 Thursday, Sept. 20 Objective: Students will be able to contrast the phase changes of matter. Bell Ringer: The particles in which state of matter act most like each of the following: 1.Kindergarteners on a playground 2.Senior citizens in a lunch line 3.Harlan students in the hall between classes

12 30 Seconds Remaining…

13 Thursday, Sept. 20 Objective: Students will be able to contrast the phase changes of matter. Bell Ringer: The particles in which state of matter act most like each of the following: 1.Kindergarteners on a playground 2.Senior citizens in a lunch line 3.Harlan students in the hall between classes

14 BELL- RINGER TIME IS UP!

15 Sept. 20, 2012 AGENDA: 1 – Bell Ringer 2 – Review HW 3 – Cornell Notes: Phase Changes 4 – Demo 5 – Start Homework Today’s Goal: Students will be able to contrast the phase changes of matter. Homework 1. Phase Changes Practice Problems 2. Come after school TODAY to make up “last” Friday’s QUIZ 1 if you were absent that day (9/7/2012).

16 Thursday, Sept. 20 Objective: Students will be able to contrast the phase changes of matter. Bell Ringer: The particles in which state of matter act most like each of the following: 1.Kindergarteners on a playground 2.Senior citizens in a lunch line 3.Harlan students in the hall between classes

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18 Week 2 Weekly Agenda Monday 9/17 – No School Tuesday 9/18 – No School Wednesday 9/19 – Review + Cornell Notes: States of Matter Thursday 9/20 – Cornell Notes: Phase Changes Friday 9/21 – Review and QUIZ 2

19 CHAMPS for Sept. 20, 2012 C – Conversation – No Talking – Take notes H – Help – RAISE HAND for questions A – Activity – Cornell Notes: Phase Changes M – Materials and Movement – Pen/Pencil, Notebook or Paper P – Participation – Complete your notes S – Success – Write three questions and summary about notes. Answer HW questions.

20 Cornell Notes: Please take out your notebook and properly set up your paper. Topic: Phase Changes Date: 9/20/2012

21 Physical vs. Chemical Changes  Phase changes are all classified as physical changes because in chemical changes an entirely new substance is produced.  In chemical changes, the compounds rearrange to form new compounds.  In physical changes the compounds don’t change at the molecular level.

22 Energy (usually in the form of heat)  Energy is added or taken away to create phase changes.  When energy is added, particles move further apart.  Solid  Liquid  Gas  When energy is taken away, particles move closer together.  Gas  Liquid  Solid

23 Phase Changes  Melting = solid  liquid  Freezing = liquid  solid  Boiling / Vaporization / Evaporation = liquid  gas  Condensation = gas  liquid  Sublimation = solid  gas (ex: dry ice)  Deposition = gas  solid (very rare)

24 Temperature and Pressure Points of change  Melting Point = T & P when solid  liquid  Freezing Point = T & P when liquid  solid  Boiling Point = T & P when liquid  gas  Condensation Point = T & P when gas  liquid

25 Phase Change Diagram LIQUID SOLID GAS freezing melting condensation boiling sublimation deposition

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