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In this design-based activity, learners explore environments, ecosystems, energy flow and organism interactions by creating a model biodome. Learners become engineers who create model ecosystems.

This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

In this activity, learners of all ages will design a functional bird feeder using familiar, every day materials.

In this engineering design challenge, learners build an octopus-inspired suction pad that can grab an object and hold it tightly in the air.

In this activity, learners are challenged to build a bird feeder using recycled materials from home and are encouraged to problem solve during the extensions.

In this activity, learners simulate whale echolocation. Learners experience echolocation by wearing blindfolds, while another learner makes snapping noises in front of, behind, or to the side of them.

In this engineering design challenge, learners make a bird and then control its flight with attached strings.

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.

In this activity, learners build a mini crank machine to make a bird "fly." This engineering activity introduces learners to automata, rotational motion, cranks and cams.

In this activity, learners build a figure that moves and "comes to life" when they pull its string.

In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.

In this activity, learners investigate the history and development of agricultural biotechnology.

In this activity, learners are challenged to design, build and test a birdhouse that will stay cool in the sun.

In this activity related to plant biotechnology, learners transform a strain of E. coli using green fluorescent protein from a bioluminescent jellies.