This super simple states of matter investigation expands on the concept of freezing and melting by mixing items into water before freezing it.
Simply mix water and kool aid, water and salt, water and beads, water and oil, water and yarn. Then freeze overnight and document your results.
The lab sheets include a place to make a hypothesis and document results for each combination. The second sheet focuses on how quickly the ice melts and has a place to predict the order in which the ice cubes will melt.
You can read more about this investigation here
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