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In this activity, learners construct drawing machines using a cup, some markers, and a cricket to control the movement. A programmed LEGO RCX or Cricket is required for this high-tech version.

In this mechanical engineering activity, learners design shadow puppets with moving parts and use them to tell stories.

In this activity, learners explore the history of making objects from glass and artistry of Dale Chihuly.

In this project, students explore how levers work, by making a puppet with moving limbs.

In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.

In this activity, learners explore the potential of interchangeable standard parts to create a large number of unique creations in different combinations.

In this two-part activity, learners map a navigation plan to get from Earth to Mars and back. In activity one, learners represent the orbital paths of Earth through dance and dramatic movement.

In this activity, learners will explore nature by creating food for birds. Learners will develop fine motor skills and engage in nature observation through this activity.

In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

In this engineering design activity, learners will design, test, and build a “haunting machine” to solve a Sherlockian mystery.

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.

Learners make their own paper using old newspaper. Learners can make their paper colorful by adding construction paper.

Students design and build their own parachutes in this hands-on engineering project.

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.

This activity requires a Pico Cricket (tiny computer). Learners work on designing and building a sound sensor out of household materials, like plastic wrap and cardboard.

Learners will build and experiment with their own windmills made from simple household materials.

Learners use shop tools and various materials to construct a magnetic spinner and a compass.

Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.

In this activity about encryption, learners cut out a secret decoder badge from a handout and use it to encode messages to each other.

In this drawing/mapping activity, learners design plots of land while incorporating positive strategies for improving water quality.