Summary Freely experiment with combining solids and liquids, in two different formats. Science content Chemistry: States of Matter, Properties of Materials (K-7) Chemistry: Physical Changes, Solutions, Mixtures and Separating (2, 4, 5, 6) Chemistry: Chemical Changes (2, 7) Activities in this lesson Making mixtures: physical changes and chemical reactions Buoyancy, sinking and floating - free experimentation Resource The New Teaching Elementary Science Procedure This lesson uses the "Play-Debrief-Replay" model of science education, as described in "The New Teaching Elementary Science" (see resource). Students try one activity, then the other, then gather to debrief. Notes An hour and 20 mins is not enough time to include the Replay aspect of this lesson. Either add time, or remove one activity. Grades taught Gr 1 Gr 2 Gr 3
