Search Results

In this activity, learners observe a quick phase change as water rapidly goes from a liquid state to a solid state.

In this activity, challenge learners to keep an ice cube from completely melting in 30 minutes. Learners engineer a box or wrap to prevent an ice cube from melting.

In this activity, learners touch supercooled water drops with an ice crystal and trigger the water drops to freeze instantly.

In this chemistry activity (page 1 of the PDF), learners will observe a physical change.