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This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Gather the neighborhood children together and practice graphing with this backyard tournament!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this project children practice the scientific method while playing with puffy paint.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Help your child make sense of our colorful world with this easy-to-make color challenge!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Transform a paper coffee cup into an adorable Easter bunny gift basket in this second grade arts and crafts activity.

Playhouses can be expensive, and they take up so much space. Why not make your own collapsible playhouse instead?

Using a toy race car kids create a visual model of the Doppler Effect.

Your kindergartener will be delighted to refine his motor and conceptual skills as he creates his own Maccabee shield in honor of the Maccabee revolt.

Improve your child's hand-eye coordination with this outdoor group ball game that's similar to Four Square.

New readers need to develop a "bank" of words they can read by sight. Hate flashcards? Consider this fresh way to practice sight words to perfection...Bingo!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.