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Teacher Resources

Real World Applications of Chemistry

 

Neutralization Reaction of an Antacid

Colorful demonstration of the fate of “excess stomach acid.”

 
 

Beverage Density Lab

Analyze the sugar content in soda or juice by measuring its density.

 
 

Sodium Alginate

Explore the properties of sodium alginate, an ionic polymer obtained from seaweed. It’s a thickening agent, naturally!

 
 

Buffering of Lakes

An “acid rainfall” is poured through a column of marble chips to illustrate the formation of a buffer in lakes or streams with a limestone bed.

 
 

Hand-Held Thermit Reaction

Sparks fly in spectacular, exothermic thermit reaction, one that you can hold in your hands!

 
 

Canned Heat

What is Sterno®? Preparation, properties, and applications of calcium acetate–alcohol gel.

 
 

Vitamin C Testing

Find out how much Vitamin C is in your favorite fruit juice using a redox indicator.

 
 

Chemical Additives in Table Salt

Color changes help identify the form of iodine in iodized salt.

 
 

Small-Scale Acid Rain Lab

Observe the effects of the gaseous precursors of acid rain on chalk, metal, a leaf, and an apple.

 
 

Microscale Electroplating Lab

Observe the basic chemistry involved in electroplating.

 
 

Hydrogen Peroxide Analysis

Redox titration to determine the percent hydrogen peroxide in a drugstore chemical.

 
 

Total Acidity on a Small Scale

Compare the acidity of a variety of fruit juices by microscale acid–base titration.

 
 

What If It's An Acid and A Base

Observe the reversible precipitation of casein, the principal protein in milk.

 
 

The Brown Cloud

Indicator color changes reveal the properties of the brown cloud of gas. Safe microscale reaction in a zipper-lock bag!

 
 

Ruby Red Colloidal Gold

Discover the amazing properties of ruby-red colloidal gold in this introduction to nanotechnology demonstration.

 
 

Flameless Ration Heaters

Take apart and analyze the contents and chemistry of a flameless ration heater, a device soldiers use to heat ready-to-eat meals.

 
 

Instant Smog

Generate small amounts of ozone in a flask and observe its reaction with a natural organic compound to form smog.

 
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