This is a four station lab bundle with station instructions, and student answer booklet that allows the students to discover and observe the signs of chemical changes.
Station 1: Vinegar and Baking Soda (gas production)
Station 2: Soap, Water, and Hard Water (precipitate production)
Station 3: Bromothymol Blue and CO2 (color change)
Station 4: Baking Soda and CaCl2 (temperature change)