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RAFT Idea
Freezing Water Into Ice
Water is the foundation of life on Earth, partly due to an unusual collection of properties that are not duplicated by any other substance. One of those properties is the fact that solid water, or ice, is less dense than cold liquid water. This property is what enables fish and other creatures to continue living in a lake or river that has frozen over. The ice floats on the surface of the liquid water, rather than choking the bottom of the lake or river.
Grades Covered: 4 through 8
Subjects Covered: Physical Science
Curriculum topics:
- Phase Changes
- Density
- Measurement
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Freezing Water Into Ice Image Gallery