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In this game, learners create flash cards with an image on one side (of an animal, for example) and the sound that animal makes on the other.

In this craft-based activity, learners make DNA sequence bracelets that carry the code of an organism such as a human, trout, chimpanzee or butterfly.

In this activity, learners create a colorful bookmark using a super thin layer of nail polish on water. Learners discover that a thin film creates iridescent, rainbow colors.

In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.

In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

In this activity, learners will create a home for animal friends in their backyard using recycled materials. Some material suggestions include: pine straw and twigs.

In this design challenge activity, learners explore the concept of biomimicry by using a natural organism's special features to design a new human object.

This design challenge is an open-ended exploration of linkages, a group of parts connected by hinges, and the types of motion they can create.

The Ancient Egyptians used a naturally-occurring salt from the banks of the Nile River, called natron, to mummify their dead.

As a long-term project, you can rear monarch butterflies at home or in a classroom.

Somatic Cell Nuclear Transfer (SCNT) is a cloning method that involves transferring a nucleus from a somatic cell of the individual to be cloned to an enucleated egg.

The goal of this activity is to design, build and test a house or toy for an animal.

Exponga estos pósteres en el salón o déjelos donde los chicos los puedan explorar. Los chicos buscan las respuestas en libros de consulta o en línea.

In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.

In this activity, learners solidify their conceptualization of cells by building a model of a cell in a ziplock bag.

In order to examine the random nature of mutations and natural selection, learners "breed" clutches of Egyptian Origami Birds (Avis papyrus) using random number generators (dice and coins) to mutate s