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Slide 1 - Phase Changes
- By Reilly Mercer
Slide 2 - Interesting Fact
- Did you know that swamp coolers use phase changes? The evaporation of water in the swamp cooler cools the air.
Slide 3 - Solids
- Definite shape and volume.
- Particles are tightly packed and orderly.
- Solid to liquid process is called melting.
- Solid to gas process is called sublimation.
Slide 4 - Liquids
- Definite volume, indefinite shape.
- Particles are spread out, clustered.
- Liquid to solid process is called freezing.
- Liquid to gas process is called vaporization.
Slide 5 - Gases
- Indefinite volume, indefinite shape.
- Particles are far spread out.
- Gas to solid process is called deposition.
- Gas to liquid process is called condensation.
Slide 6 - Phase Change Diagram
- The temperature of a substance will not change during a phase change.
- Heat of fusion is the total energy something absorbs when it melts. The amount of energy is the same when freezes.
Slide 7 - Phase Change Cycle
- Endothermic is energy absorbed from the environments surroundings.
- Exothermic is energy released to the surrounding environment.
Slide 8 - Works Cited
- "How Does An Evaporative Cooler (Swamp Cooler) Work?"RemoveandReplacecom RSS. RemoveandReplace, 18 Mar. 2013. Web. 19 Feb. 2015.
- "Particle Model of Solids, Liquids and Gases." Chemistry Stuff. Chemistry Stuff, 08 June 2012. Web. 19 Feb. 2015.
- "ALChemE." ALChemE RSS. WordPress, n.d. Web. 19 Feb. 2015.
- Redlinger, Tina. "Leavenworth High School." Leavenworth High School. Leavenworth High School, Oct. 2015. Web. 19 Feb. 2015.
- Free High School Science Texts Project, The water cycle: Properties of water. OpenStax CNX. Aug 5, 2011 http://cnx.org/contents/76b47fd7-1ca2-4133-8f47678a21eb7642@1@1.
- Wysession, Michael. "Chapter 3 States of Matter." Prentice Hall Physical Science Concepts in Action. Boston, MA: Pearson / Prentice Hall, 2009. 68-84. Print.