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Lesson Plan
Curated OER

Permafrost: Permanently Frozen Ground

For Teachers 3rd - 4th
Students explore permafrost.  In this 3 states of matter lesson, students identify characteristics of solids and liquids.  Students observe water and soil melting and freezing at various temperatures.  Students make predictions about a...
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Handout
Other

Third Millenium Online: Melting and Freezing

For Students 9th - 10th
The concepts of melting point and freezing point are explained on this site.