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.
- "Quick Freeze" is a
simple demonstration of freezing point depression using club
soda.
- This "
 Lab" is designed for 8th grade students on the
properties of water.
- 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.
- Carolina's
"Molecular Mass by Freezing-Point Depression" lab is
designed to be used with the
- This "Layered Liquids" demo colorfully shows how oil and
water don't mix.
- Try this "Testing Water
Hardness" lab
- The "Polar and Nonpolar Solvents" microscale lab explores
the solubility of seven solutes in two different
solvents.
- This "Soft Water and Suds" lab compares the sudsing abillity
of detergent in soft water and hard.
- This "Surface Tension of
Water" lab
has 3 separate activities.
- "Solution Formation" is a microscale lab to compare
solubility of polar and nonpolar liquids and solids.
- "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 these "Antifreeze
Labs."
They include student permformed labs and demonstrations for
teachers.
- Do this "Analysis of
Water Laboratory" with
teacher guide .
- "Hotter Than Hot –
Boiling Point Elevation in Non-Electrolyte and Electrolyte
Solutions" is a
lab the requires a CBL system with temperature probe, TI82/83
calculator, and the “CHILL” TI-82/83 program from
Vernier.
- The "
 " lab is a good demonstration of cohesion and surface
tension.
- Discover the properties
of "Water" with this lab.
- Do this "Solubility Curves" lab.
- Or try this "Solubility
of PotassiumNitrate"
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.
Links
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