Activities
Labs
Links
National Standards

Activities

  • Have students do "Water and It's Solutions"  crossword puzzle.
  • "The Wonder of Water"  Teacher's Guide has many multidisciplinary activities for middle school students.
  • The World of Chemistry video series has a half-hour video about "Water" that can be played with Windows Media Player after a free sign-up by the teacher.  The video can also be ordered.
  • The "Properties of Solutions"  worksheet has background information as well as questions and problems for the students.
  • Mr Guch provides these solutions worksheets at chemfiesta.com: "Dilutions Worksheet" , "Molarity Calculations , "Molarity Practice Problems" , "Molecular Polarity" , "Concentration Worksheet" , "Solutions Worksheet" , and "Making Solutions Practice" .
  • Have students do this "Water and It's Solutions"  wordsearch with answers .
  • Do the "Water"  crossword puzzle with answers.
  • Or try this "Solutions" crossword puzzle with answers.
Labs
  • Demonstrate freezing point depression in this "We All Scream for Ice Cream"  lab.
  • Flinn Scientific, Inc.'s "Quick Freeze"  is a simple demonstration of freezing point depression using club soda.
  • The "Changing the Freezing Point of Water with Salt" lab is self-explanatory.
  • "Expanding on Ice" demonstrates how ice takes up more space than water.
  • "The Rate of Solubility"  lab can be adapted for any grade level.
  • The "Concentration vs. Solubility"  lab enables students to distinguish between concentration and solubility and to tell which solution is more concentrated.
  • Try this "Testing Water Hardness"  lab
  • The "Polar and Nonpolar Solvents" microscale lab explores the solubility of seven solutes in two different solvents.
  • This "Surface Tension of Water"  lab has 3 separate activities.
  • "The Solubility of Gases in Liquids"  lab has students explore the relationship between solubility and the temperature and pressure of gases.
  • This "Rate of Solution Demonstration" shows how temperature and surface area affect the speed in which sugar dissolves in water.
  • Demonstrate "The Tyndall Effect" by shining a beam of light through a fish tank and projecting it onto a screen.
  • Do the  "We All Scream for Ice Cream"  lab to demonstrate freezing point depression.
  • Rick Smierciak provides this lab on "Colligative Properties Using Freezing-Point Depression to Find Molecular Weight" .
  • Try this "Antifreeze Lab."   They include student permformed labs and demonstrations for teachers.
  • Do this "Analysis of Water Laboratory"  with teacher guide .
  • The " lab is a good demonstration of cohesion and surface tension.
  • Do this "Solubility Curves" lab.
  • "The Cat's Meow" can be used as a demonstration of the unique properties of a milk solution or students can experiment with different types of milk in the "Kaleidoscope of Milk"  lab from Mary Fuson.
  • In S. G. Falk's "Molecule Polarity and Solubility"  Lab, students use a molecular model building set to predict whether two substances will form a solution based on the polarity of the molecules.
  •  In Jen Solari's "Experimenting with Solutions-Designing an Experiment"  lab, students conduct research to find the three factors that affect the rate at which a solute dissolves in a solvent and design an experiment to test the effect of one of these factors on the rate at which salt or sugar crystals dissolve in water.

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