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Grades 9-12

Two Cities main image

Curriculum Materials

Water Tale of Two Cities

Each city has its own water supply, but different water supplies can be affected by the same factors.

Salt Levels main image

Classroom Activity

Salt Level Demonstration

What appears to be very little salt can cause big environmental changes like changing freshwater to saltwater.

Salt in Ecosystems main image

Curriculum Materials

Salt and Ecosystems

Students learn about the impact of salt in various ecosystems.

salted eggplant

Classroom Activity

Salt and Plant Cells

Salting an eggplant demonstrates the effect of salt on plant cells. 

snowbank

Classroom Activity

Accessing Prior Knowledge

A discussion about winter snow and how humans use salt to limit its impact on daily life.

Baltimore winter

Curriculum Materials

Baltimore Winters

Baltimore and the Northeast receive high amounts of snowfall. These areas use road salt to help melt the snow and ice.

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American Museum of Natural History

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