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

In this activity, learners build bridges out of newspaper and tape to explore how structures are designed to bear loads.

Learners examine the properties of light by experimenting with an LED-flashlight and polarizing filters. When two polarizers are used, they block all light when they are placed at right angles.

This activity introduces the idea of "divide and conquer" using a fictitious but serious problem--a pair of dirty socks has accidentally been wrapped in one of the presents that Santa is about to deli

Learners drop two different masses of play dough and observe how long it takes them to hit the ground.

Learners experiment to see which colors of light will cause a phosphorescent (glow-in-the-dark) material to glow.

In this engineering activity, young learners investigate multi-level buildings.

Learners shine the light of a laser pointer through sheets of fabric that all have a different number of threads per inch.

This magic trick is based on how computers detect and correct data errors.

In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair.

In this activity, learners explore healthy choices related to the foods they eat. The importance of a variety of fruits and vegetables to a healthy diet is the focus of the experience.

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

In this engineering activity (page 2 of PDF), young learners investigate how a wide base can make a building more stable. Learners use blocks or boxes of different sizes to construct stable towers.

In this activity, learners will use Google Sky to observe features of the night sky and share their observations.

In this engineering activity (page 3 of PDF), young learners investigate how a pole can be made stable by “planting” its base in the ground or adding supports to the base.