Be a Detective! Is it a Physical or a Chemical Change? (page 2)
Chart of Observations
|Chemicals Used||Before Mixing: Properties||After Mixing: Properties|
|Baking Powder (not soda)|
|Solution of Phenol Red|
Terms/Concepts: Matter, solids, liquids, gases, plasma, mass, volume, atomic particles, Boyle’s Law, Charles’ Law, physical change, chemical change, reversible, hand warmers.
VanCleave, Janice, Chemistry For Every Kid, John Wiley & Sons Inc., New York, N.Y. 1989, pp91 -119
Hone, E , Joseph, A, Victor, Brandwein, P, A Sourcebook for Elementary Science, Harcourt, Brace & World, Inc. New York/Burlingame, 1962
Warning is hereby given that not all Project Ideas are appropriate for all individuals or in all circumstances. Implementation of any Science Project Idea should be undertaken only in appropriate settings and with appropriate parental or other supervision. Reading and following the safety precautions of all materials used in a project is the sole responsibility of each individual. For further information, consult your state’s handbook of Science Safety.