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Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.

Learners complete a series of hands-on and investigative activities to explore cumulus clouds.

In this creative activity, learners will practice looking carefully to observe details and to become familiar with dioramas as a method for displaying naturalistic scenes.

In this activity, learners use a laser pointer to project a microscopic image of a liquid sample suspended from the tip of a syringe.

In this activity, learners survey living organisms near where they live or go to school, and create a local field guide.

In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.