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written by Trish Loeblein
This is a lesson plan for high school physics and/or chemistry, developed specifically to accompany the PhET simulation States of Matter. It guides students in an exploration of particle behavior as it relates to phase, molecular polarity, and how force interactions occur at the molecular level. It is intended for students who already have functional knowledge of basic kinetic molecular theory.

Editor's Note: This lesson must be used in conjunction with the "States of Matter" simulation. See Related Materials for a link to the simulation.
Subjects Levels Resource Types
Education Practices
- Active Learning
= Modeling
General Physics
- Properties of Matter
Thermo & Stat Mech
- Kinetic and Diffusive Processes
= Kinetic Theory
- Phase Transitions
= Phase Diagrams
- Thermal Properties of Matter
= Pressure
- High School
- Instructional Material
= Activity
= Instructor Guide/Manual
= Lesson/Lesson Plan
= Problem/Problem Set
= Student Guide
Appropriate Courses Categories Ratings
- Physics First
- Conceptual Physics
- Algebra-based Physics
- AP Physics
- Lesson Plan
- Activity
- New teachers
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Keywords:
gas laws, interaction potential, molecular models, molecular structure, nonpolar molecules, phase, phase change simulation, phase diagrams, polar molecules, states of matter, states of matter simulation
Record Cloner:
Metadata instance created July 18, 2011 by Caroline Hall
Record Updated:
August 18, 2016 by Lyle Barbato
Last Update
when Cataloged:
February 8, 2010

### AAAS Benchmark Alignments (2008 Version)

#### 4. The Physical Setting

4D. The Structure of Matter
• 6-8: 4D/M3cd. In solids, the atoms or molecules are closely locked in position and can only vibrate. In liquids, they have higher energy, are more loosely connected, and can slide past one another; some molecules may get enough energy to escape into a gas. In gases, the atoms or molecules have still more energy and are free of one another except during occasional collisions.
• 6-8: 4D/M7a. No matter how substances within a closed system interact with one another, or how they combine or break apart, the total mass of the system remains the same.
• 6-8: 4D/M8. Most substances can exist as a solid, liquid, or gas depending on temperature.
• 9-12: 4D/H8. The configuration of atoms in a molecule determines the molecule's properties. Shapes are particularly important in how large molecules interact with others.
4E. Energy Transformations
• 6-8: 4E/M4. Energy appears in different forms and can be transformed within a system. Motion energy is associated with the speed of an object. Thermal energy is associated with the temperature of an object. Gravitational energy is associated with the height of an object above a reference point. Elastic energy is associated with the stretching or compressing of an elastic object. Chemical energy is associated with the composition of a substance. Electrical energy is associated with an electric current in a circuit. Light energy is associated with the frequency of electromagnetic waves.
• 9-12: 4E/H7. Thermal energy in a system is associated with the disordered motions of its atoms or molecules. Gravitational energy is associated with the separation of mutually attracting masses. Electrical potential energy is associated with the separation of mutually attracting or repelling charges.
• 9-12: 4E/H9. Many forms of energy can be considered to be either kinetic energy, which is the energy of motion, or potential energy, which depends on the separation between mutually attracting or repelling objects.

#### 11. Common Themes

11B. Models
• 6-8: 11B/M1. Models are often used to think about processes that happen too slowly, too quickly, or on too small a scale to observe directly. They are also used for processes that are too vast, too complex, or too dangerous to study.
• 6-8: 11B/M4. Simulations are often useful in modeling events and processes.
11D. Scale
• 6-8: 11D/M3. Natural phenomena often involve sizes, durations, and speeds that are extremely small or extremely large. These phenomena may be difficult to appreciate because they involve magnitudes far outside human experience.

This resource is part of 2 Physics Front Topical Units.

Topic: Particles and Interactions and the Standard Model
Unit Title: Matter and Interactions

This lesson plan with student guide was created by a high school teacher to accompany the PhET simulation States of Matter. It's intended for students who already have some knowledge of basic kinetic molecular theory. It provides guided exploration of particle behavior as it relates to phase, molecular polarity, force interactions at the molecular level.

Topic: Heat and Temperature
Unit Title: Teaching about Heat and Thermal Energy

This lesson for high school physics or chemistry was developed specifically to accompany the PhET simulation States of Matter. It guides students in an exploration of particle behavior as it relates to phase, molecular polarity, and how force interactions occur at the molecular level. It is intended for students who already have functional knowledge of basic kinetic molecular theory. Note: Only registered users have access to PhET teacher-contributed resources, but registration is free and easy.

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AIP Format
T. Loeblein, (PhET, Boulder, 2009), WWW Document, (https://phet.colorado.edu/en/contributions/view/3168).
AJP/PRST-PER
T. Loeblein, PhET Teacher Activities: Phase Change and Phase Diagrams, (PhET, Boulder, 2009), <https://phet.colorado.edu/en/contributions/view/3168>.
APA Format
Loeblein, T. (2010, February 8). PhET Teacher Activities: Phase Change and Phase Diagrams. Retrieved October 25, 2020, from PhET: https://phet.colorado.edu/en/contributions/view/3168
Chicago Format
Loeblein, Trish. PhET Teacher Activities: Phase Change and Phase Diagrams. Boulder: PhET, February 8, 2010. https://phet.colorado.edu/en/contributions/view/3168 (accessed 25 October 2020).
MLA Format
Loeblein, Trish. PhET Teacher Activities: Phase Change and Phase Diagrams. Boulder: PhET, 2009. 8 Feb. 2010. 25 Oct. 2020 <https://phet.colorado.edu/en/contributions/view/3168>.
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@misc{ Author = "Trish Loeblein", Title = {PhET Teacher Activities: Phase Change and Phase Diagrams}, Publisher = {PhET}, Volume = {2020}, Number = {25 October 2020}, Month = {February 8, 2010}, Year = {2009} }
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%A Trish Loeblein
%T PhET Teacher Activities: Phase Change and Phase Diagrams
%D February 8, 2010
%I PhET
%C Boulder
%O text/html

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%0 Electronic Source
%A Loeblein, Trish
%D February 8, 2010
%T PhET Teacher Activities: Phase Change and Phase Diagrams
%I PhET
%V 2020
%N 25 October 2020
%8 February 8, 2010
%9 text/html

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### PhET Teacher Activities: Phase Change and Phase Diagrams:

Accompanies PhET Simulation: States of Matter

This is a link to the PhET simulation "States of Matter", which this lesson was specifically developed to accompany.

relation by Caroline Hall

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Physics Front
Dec 28 - Feb 20, 2018