10.29 D4 Phase Changes Ktm Demo
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10.29 D4 Phase Changes Ktm Demo



Explaining the linked concepts of phase changes and kinetic theory of matter.

Explaining the linked concepts of phase changes and kinetic theory of matter.



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10.29 D4 Phase Changes Ktm Demo 10.29 D4 Phase Changes Ktm Demo Presentation Transcript

  • Day 4: October 29/30
    • Objective: SWBAT link kinetic theory of matter to changes of state.
    • Homework: finish vocab flap-book; page 39 summary
    • Warm up: How long would it take to count 1 billion one-dollar bills?
  • Agenda
    • Return quizzes
    • Share homework ideas
    • Demonstrations - evidence of KTM
    • Phase changes
    • Phase change independent practice instructions
    • Phase change IP work-time
  • Glue in your grades
    • Notebook check on second to last page
      • Flap door next to other notebook check
    • Quiz onto page 33
      • Half hamburger fold
      • Glue on line printed on the back!
  • Demonstrations
    • What is plasma?
      • Lightening
      • Plasma novelty light
    • Hear the KTM
      • Bouncy balls in the water jug
      • The more energy, the more the molecules bounces around
      • Never silent because they’re always moving
    • Diffusion
      • food coloring in hot water v. cold water
    • Expansion
      • Gas – balloon in flask
      • Solid – ball through ring
      • Solids – bi-metallic strip bending
  • Prior Knowledge
    • What are phase changes?
    • What are phase changes that we know?
  • Onto the notes
    • Matter changes from one state to another as it gains more energy – usually in the form of heat
    • What happens to the particles in something when there is more energy?
  • The phase change triangle
    • Skip four lines from bottom of last thing written on page 39
    • Measure 3 cm to right of black line on page. Mark point.
    • Draw a vertical line 5 cm long from marked point (8 lines on the paper)
    • Draw the sides of the triangle 5 cm long. They will touch at the printed line on the paper if drawn right
  • The phase change triangle
    • Label this diagram “Illustrating how changes in energy affect the state of matter”
    • Make a legend to the right side of the triangle. Two colors, one “hot” and one “cool”
      •  Endothermic
      •  Exothermic
  • Gas Liquid Solid Endothermic Exothermic Low Energy High Energy Melting Freezing Sublimation Evaporation Condensation
  • Phase change vocab flaps
    • This will be pasted on bottom of 38
    • Take sheet of notebook paper
    • Fold in half hot dog style
    • Fold hamburger style.
    • Repeat step 4.
    • Fold hot dog style.
    • On one side, cut each fold line halfway to make flaps down the page
  • Phase change flipper
    • Phase Change
    • Endothermic
    • Exothermic
    • Evaporation
    • Condensation
    • Melting
    • Freezing
    • Sublimation
    • Make your own definitions using the diagram and info presented in class
    • Example:: Melting –energy is added to the substance as it changes from solid to liquid