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On the first night, I saw 5 stars in the desert. On the second night, I saw 10… What do you think I saw on the third night? Combine arts and crafts, literacy, and math by making a counting book.

In this activity, learners construct three quick and simple mechanisms to start building a pop-up book. Learners fold, cut, and glue paper to make a bird beak, parallelogram, and V-fold.

In this activity, learners make their own flip book that shows real solar flares erupting from the Sun in November 2000. Step-by-step instructions are included with photos.

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

In this activity, learners observe the moon each night for a month and draw their observations in a Moon Watch Log.

Put the math of measurement, numbers, and everyday life into improvisational skits.

In this activity, learners construct a home-made journal with simple, everyday materials.

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 physics activity, challenge learners to lift a book with just air using a plastic bag and a straw. This activity demonstrates compressed air and forces.

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

In this physics activity, learners will investigate the strength of egg shells.

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

In this activity, learners explore the strength of different shapes. Fold paper into triangles, squares, and other shapes, then experiment with how much weight they can hold.

In this simple activity, learners discover how a mere piece of paper can be used to hold up the weight of a heavy book.

In this activity (on pages 55-66 of PDF), learners fold paper into origami shapes and then combine several identical shapes into a three-dimensional structure.

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

Learners follow a three-step process to start their own rock collection.

In this activity, learners explore the engineering design process and the basic mechanics behind building bridges as they build one themselves using gumdrops and toothpicks.

In this activity (on pages 49-54 of PDF), learners play with tangrams, a set of triangles, squares and a parallelogram that can combine into a larger square as well as all sorts of other shapes.