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In this environmental science activity (page 3 of the PDF), leaners will identify and explain the causes of erosion.

Learners take on the role of environmental engineers as they design water filters.

In this activity, learners explore how salt water freezes in comparison to fresh water.

In this outdoor, sunny day activity, learners experiment with paper leaf models to discover how some desert plants conserve water.

Many people get water from a source deep underground, called groundwater.

Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.

In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats.

In this activity, learners create a biosphere in a baggie.