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Learners observe working lava lamps to understand how they work (included in PDF link).

Learners add two dyes to mineral oil and water, and then compare their miscibility (how well they mix) in each.

Learners observe a bottle containing water and oil. They are invited to pick up the bottle and mix the contents together.

Learners investigate the properties of the liquids in two bottles. One contains layers of oil and water, and one contains oil, water, and soap.

Learners write or draw with white crayon on white paper. They look and feel to detect their marks on the paper. Then, learners paint over their paper with watercolor paint.