Page 196 - Demo

Practical Applications of Chemistry
STEM
Acid Neutralization in Nature—
Demonstration Kit
By: The Flinn Staff
Perform this safe demonstration to show how naturally occurring elements
ability of two different soil types will be compared and contrasted in this colorful demonstration. Instructor’s Demonstration Notes included.
Acid Rain in a Bag—Demonstration Kit STEM
1-800-452-1261
flinnsci.com
Acid Neutralization in Nature— Demonstration Kit AP6298
194
Environmental Chemistry
Integrated
can neutralize acid rain. Students will learn how the chemical makeup of
soil can act as a buffer and alter the pH of rainwater. The acid neutralizing
STEM
Integrated
Catalog No.
Description
Price/Each
AP6298
Acid Neutralization in Nature—Demonstration Kit
$20.70
By: Sue Anne Berger
Colorado School of Mines, Evergreen, CO
Perform a safe, microscale simulation of acid rain
Integrated
formation in a plastic bag. Chemicals react to form a visible brown
cloud of nitrogen dioxide which, in turn, acidifies water present in the
Acid Rain in a Bag— Demonstration Kit AP9157
system. An acid–base indicator shows the speed and degree to which the
STEM place within a bag on an overhead projector! The procedureInitseagrlastoedeasily
pH is altered. The results are direct and unmistakable—and it all takes
adaptable as a classroom activity.
Enviro-BondTM 403—
An Oil Spill Cleanup Demonstration Kit STEM
By: Steve Spangler
Regis University, Denver, CO
This oil-encapsulating polymer demonstration will undoubtedly capture
your students’ interest, stimulate scientific inquiry and heighten their
awareness of the emerging environmental pollution issues facing our
society. An oil-stabilizing polymer, Enviro-BondTM 403 is specially
Enviro-BondTM 403 is a product of Petroleum Environmental
Catalog No.
Description
Price/Each
AP9157
Acid Rain in a Bag—Demonstration Kit
$25.45
formulated to bond quickly and safely to many types of liquid hydro-
carbons, including crude oil, diesel fuel and gasoline. The bonding is so complete that it literally encapsulates the liquid hydrocarbons in just seconds. Instructor’s Demonstration Notes included. Includes Flinn Exclusive STEM Integration Guide. The encapsulant is also available separately.
Integrated
STEM Integrated
Enviro-BondTM 403— An Oil Spill Cleanup Demonstration Kit FB1025
Technologies, Inc., Williamsburg, Michigan. See free video at flinnsci.com.
STEM Integrated
Catalog No.
Description
Price/Each
FB1025
Enviro-BondTM 403—
An Oil Spill Cleanup Demonstration Kit
$41.70
E0058
Enviro-BondTM 403 Hydrocarbon Encapsulant, 100 g
$11.55
Fenton’s Reagent—
Chemical Demonstration Kit
By: Randy Sullivan, University of Oregon
H. J. H. Fenton, an English chemist, discovered in 1894 that some metal ions, particularly the iron(II) ion, catalyze the decomposition of hydrogen peroxide to generate highly reactive intermediates. Fenton’s
Fenton’s Reagent— Chemical Demonstration Kit AP7435
STEM Integrated
reaction has been “rediscovered” and is now used to breakSdTowEnMa large Integrated
variety of water and soil pollution molecules, e.g. phenols, pesticides, and rubber chemicals. Show students the oxidizing power of this “old- time” chemical concoction by breaking down a series of colorful and fluorescent organic molecules.
Kit includes valuable Instructor’s Notes with helpful teaching tips, reproducible student worksheets, and enough materials to perform the demonstration seven times.
Catalog No.
Description
Price/Each
AP7435
Fenton’s Reagent—Chemical Demonstration Kit
$45.65
ENVIRONMENTAL CHEMISTRY continued on next page.