There are five types of frost: ground frost, air frost, hoar frost, glaze, and rime. Scholars mix ice and salt in a metal container to observe frost forming on the outside of the can. Animations and videos enhance the learning. 

Concepts

water, freezing points

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Additional Tags

science

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Instructional Ideas

• Discuss what would happen if you placed a glass of water in the freezer overnight

Classroom Considerations

• Activities in the explore section will not work if humidity level is too low
• Requires the water molecule models made in the first lesson of the series
• Lesson is the fourth in a series of five

Pros

• Lesson follows a 5E format
• Discusses freezing points of other liquids
• Extension covers how something can turn from a gas into a solid

Cons

• None

Common Core

RST.6-8.3 RST.6-8.4 RST.6-8.7 WHST.6-8.1.a WHST.6-8.1.b WHST.6-8.1.c WHST.6-8.1.d WHST.6-8.1.e