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Ch 3.3 Phase Changes

Ch 3.3 Phase Changes

Author: deirdre carney
Description:
  • Describe phase change
  • Explain how temperature can be used for recognizing phase change
  • Relate motion, arrangement, & average kinetic energy of water molecules during phase changes
  • Describe each of the six phase changes
  • Identify phase changes as endothermic or exothermic

Nevada Science Standards

P.12.A.1 Students know different molecular arrangements and motions account for the different physical properties of solids, liquids, and gases. E/S 

Next Generation Science Standards

HS-PS3-4. Plan and conduct an investigation to provide evidence that the transfer of thermal energy when two components of different temperature are combined within a closed system results in a more uniform energy distribution among the components in the system (second law of thermodynamics).

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Tutorial

Chapter 3.3 Phase Changes

Read Chapter 3.3 Phase Changes pg 84-91. Outline the reading in your science notebook and include major points and diagrams/tables.
you should focus on the following essential questions:
- What are six common phase changes
-What happens to a substance's temperature and a system's energy during a phase change
-How does the arrangement of water molecules change during melting and freezing
-How are evaporation and boiling different

of

Source: Prentice Hall Physical Science - Concepts in Action

Video Clip: Phase Changes

Watch video and take notes in your science notebook. Be sure to draw diagrams!

Video Clip: Phase Changes - Exothermic or Endothermic?

Watch Video and take notes in your science notebook.

Video Clip: Kinetic Theory and Phase Changes

Watch video and take notes in your science notebook.