If you have, you are not alone.
Children love to mix, move, drop and destroy things.
The more fizzes or explosions per minute the better. Worksheets guiding the activities are often looked upon as assignments to be completed and blanks to filled in. In this unit, children are presented with certain white powders and a list of tests for distinguishing among them. Children learn through activities to test for such powders as starch, sugar, baking soda, salt, and plaster of Paris. Later, with these experiences under their belts, the students are presented with a mixture of several of the familiar powders.