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In this activity (on page 2 of the PDF), learners use art supplies to build models of insects, both real or imagined.

In this activity, learners construct a playable kazoo from inexpensive materials. They will experience how vibration creates sound waves and music.

Learners trace, cut out and fly a boomerang, outdoors or in a large indoor space.

In this activity, learners create an origami model of DNA, demonstrating its double helix structure.

In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.

In this activity, learners get hands-on with geometry by making a polyhedron kitty sculpture.

In this activity, learners create three-dimensional shapes by making some origami models of simple boxes and containers.

In this activity (on the left side of page 5, continued on the right side of page 4 of the PDF), learners make models of colorful butterflies.

This activity introduces learners to the structure and properties of carbon nanotubes.

In this activity, learners explore different types of fossils by making their out of dough and objects from around the house.

In this activity, learners thread gumdrops together to make a model of a polymer.

In this activity, learners create a model of a neuron by using colored clay or play dough. Learners use diagrams to build the model and then label the parts on a piece of paper.

In this activity, young learners explore the basic shapes of constellations by making their own scope out of a cardboard tube and paper with pinpricks.

Learners build 3D representations of constellations, which show not just the position of the stars as seen from Earth but also their relative distance from Earth.

In this activity (located on page 6 of the PDF), learners explore the ways people access water in their homes.

Teams of learners use a series of stick figures made from pipe cleaners to model a dance routine. Then, they use this model to communicate to another learner who performs the dance routine.

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

In this activity, learners make a paper model of a polymer, then make Silly Putty, an actual polymer.

This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.

In this activity, learners make balloon models of disease-causing bacteria.