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Lesson 27: Melting Ice With Salt

DESCRIPTION
Salt is used to melt ice and demonstrate the effects of salt on the freezing point of water.

OBJECTIVE
This lesson explores the processes of melting and freezing and demonstrates the effect that salt has on the freezing point of water.

CONTENT TOPICS
States of matter; physical changes

Lesson 27: Melting Ice With Salt

HYPOTHESIS

A combination of salt and ice will melt faster than plain ice because the salt lowers the freezing point of water.