Objectives:
Practice significant figures.
Lesson:
(1) Mr. Reimer did not make the quiz so we moved ahead to a lab. (2) Students test 5 known powders (salt, sugar, alum, baking soda, and starch) with different reagents to find characteristic tests. Students should record results in a neat table. (3) Next class we will urse our data to test unknown powders.
Assignment:
(1) Study for vocab final on May 30; next Friday.