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In this optics activity, learners create flip books by drawing an image like an eye opening and closing on 24 small pages of paper.

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

In this optics activity, learners explore how many objects they can see in a set of mirrors (hinged like a book) at various angles.

In this outdoor activity, learners discover the wonders of the habitat surrounding them.

This is a quick and simple demonstration about reflexes (second activity on the page).

In this activity, learners observe and describe the physical and behavioral characteristics of insects, including crickets.

In this demonstration (9th on the page), learners explore eyewitness memory and how memories differ amongst individuals. While the rest of the group is minding their own business (i.e.

In this story time program, young learners listen to the Dr.

In this investigation, learners plant seeds in a 2-liter bottle filled with soil that is connected to a water source below. Over the next few weeks, learners observe how the plants grow.

This activity (on pages 13-18) has learners build a model tree and then figure out how to make their tree stand up by itself.

In this activity, learners turn empty 2-liter bottles into a see-through compost container.

This activity attempts to clear up the common misconception that deserts are always hot, totally dry, and uninhabitable.

Learners make kimchee or sauerkraut, which is really just fermented cabbage, in a 2-liter plastic bottle.

These math posters have questions written on them, such as: How fast can a cheetah run? or How long can a giant tortoise live? Post these around the room or leave them out for children to explore.

This activity (on pages 19-24) introduces learners to the rain forest's layers—emergent, canopy, understory, and forest floor—and has learners make paper lianas (vines that live attached to trees) and

In this indoor and outdoor activity, learners discover that insects grow and develop as do all living things, going through a process known as complete metamorphosis.

Use the Zoo Calendar (page 1 of PDF) to involve learners in interdisciplinary, whole language, and writing activities about ecological concepts.

In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.