Interactions of Matter

The student will investigate the interactions of matter.

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Choose features associated with physical changes.

TCAP Coach Lesson 34 pages 169-171
 

Definition of Chemical and Physical Change

• Chemical change - makes a new substance, old matter is no longer present

• Physical change - no new substance, original matter can be recovered

PowerPoint

• Physical or Chemical Changes http://jc-schools.net/write/sci/physchem_files/frame.htm

United Streaming

• Changes in the Properties of Matter: Physical and Chemical (28:00)

BrainPop

• Property Changes http://www.brainpop.com/science/matterandchemistry/propertychanges/

Activity - Using response cards have students identify situations as chemical or physical change.

 

Chemical Changes	Physical Change
burn toast	tearing, sawing or cutting paper or wood
rusting metal	breaking glass
rotten food	hammering wood
lighting a match	melting butter
fireworks	separating salt and water
frying egg	mixing Kool-Aid
milk souring	molding clay
food digesting	making whip cream
jewelry tarnishing	water boiling
	rock breaking

Online Activities

• What is the difference between chemical and physical change? (examples of chemical or physical changes) http://antoine.frostburg.edu/chem/senese/101/matter/faq/physical-chemical.shtml

• Chemical or Physical (Interactive Lesson) http://virtual.yosemite.cc.ca.us/lmaki/Chem150-99/chapters/chapter1/lessons/phys_chem/phy_c_1.htm

   

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Identify characteristics of different types of mixtures.

TCAP Coach Lesson 35 pages 172-174

• Definition of Mixture

  • blending two or more substances together in some random proportion without chemically changing the individual substances (You can separate a mixture by physical means.)

    • Examples

      • sand and salt

      • water and oil

• Definition of Solution

  • blending of substances in which one usually dissolves into the other (to separate a solution you use heat, evaporation, etc.)

    • Examples

      • Kool-Aid

      • seawater (salt and water)

       

• Online Activity Junkyard Analysis http://www.fossweb.com/modules3-6/MixturesandSolutions/index.html

• Activity

  Combine these substances and have students determine if they are solutions:

  • sugar and water

  • pepper and oil

  • mud and water

  • iron filings and sand

  Which method would you use to separate each?

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Determine methods for separating mixtures.

TCAP Coach Lesson 36 pages 175-177

Online Demonstrations Showing how to Separate Mixtures

• Ammonia and Sand http://www.tutorvista.com/content/chemistry/chemistry-i/elements-compounds/ammonia-and-sand.php

• Water and Sulfur http://www.tutorvista.com/content/chemistry/chemistry-i/elements-compounds/water-and-sulphur.php

• Salt from Salt Solution http://www.tutorvista.com/content/chemistry/chemistry-i/elements-compounds/salt-solution.php

• Sand and Water http://www.tutorvista.com/content/chemistry/chemistry-i/elements-compounds/sand-and-water.php

Online Activity

• The Mixtures Lab http://www.harcourtschool.com/activity/mixture/mixture.html

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Review

TCAP Coach Chapter 8 Review pages 178-180

Bitsize from BBC Schools http://www.bbc.co.uk/schools/ks2bitesize/index.shtml