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In this outdoor activity, learners will gather natural materials outside that they think a dinosaur would want to lay its eggs in.

In this outdoor water activity, learners explore evaporation by painting with water and tracing puddles. Learners will discover that wet things become dry as the water evaporates.

Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

In this activity, learners design and build a simple wind vane —one of the oldest kinds of weather tools— and use it to show wind direction.

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

In this activity, learners take an indoor nature walk and discover various objects that have been brought in from the outdoor environment.

In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.

In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

In this craft activity, learners create a string of cut-out moons and stars.

In this Bob the Builder(TM)-themed activity, learners go on a nature walk outside and describe what they observe using their senses.

This activity (on page 2 of the PDF under SciGirls Activity: Kites) is a full inquiry investigation into how a kite’s shape affects its performance.

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

This fun and simple hands-on astronomy activity lets learners explore model planets (that they or an educator will create), using methods NASA scientists use to explore our Solar System.

In this family or group activity, learners create a nature journal by visiting a local nature center or backyard, observing creatures in their natural habitats, and sketching what they see.

This activity guide features three related explorations to help learners ages 3-6 investigate shadows via the following science concepts: A shadow is made when an object blocks the light; you can chan