Mystery Powder Lab 

by Liz LaRosa

www.middleschoolscience.com

Student Worksheet | Teacher Sheet | Flow Chart | flow chart (pdf)
 

Materials :

  • Laminated Test Mat
  • 5 plastic knives per team : labeled A-E
  • water dropper bottles
  • Iodine
  • Biuret 
  • Cabbage Juice
  • Litmus Paper
  • Vinegar
  • 5 powders labeled A- E
  • toothpicks
  • goggles
  • gloves
  • apron
 

Data : http://www.middleschoolscience.com/chemanswers.htm

Note: This lab has been changed from its original version. 

The original is from a workshop I attended ( Jan. 29-31 1998) sponsored by :

 

Chemical Industry Council of New Jersey 
150 West State Street
Trenton, NJ 08608
(609) 392-4214.
Presented by Linda Madison, Education Specialist