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Learners observe a model of a cell and its chromosomal DNA made from a plastic egg and dental floss. Use this model to illustrate how much DNA is held in one cell.

In this activity, learners make "solar cookies," edible models of the Sun's outer layers using sugar cookies and toppings.

Using pipe cleaners, straws, and beads, learners explore the building blocks of life by creating their own model of DNA.

In this lesson, learners develop a robot arm using common materials. Learners explore design, construction, and teamwork, as well as materials selection and use.

In this activity (located on pages 23-24 of the PDF), learners are introduced to structural engineering and encouraged to practice goal-oriented building.

This is an activity about lung capacity. Learners will measure their own lung capacity using a homemade spirometer.

The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track.

Learners make a skydiver and parachute contraption and launch it. They see that the drag created by air resistance slows the descent of skydivers as they travel back to Earth.

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

In this activity, learners explore how genetic switches function and the role of genetic switches in the process of evolution.

In this activity, learners create 3D geometric shapes using straws and pipe cleaners.

In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air.

In this Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a sat

In this activity, learners will create unique rockets. Each rocket will be powered by air as the learner will blow into a straw and watch their rocket fly.

Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons.

In this activity, learners use design thinking to design and build their own bridge out of household materials including adhesives and/or connectors.

In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

In this activity, learners will build a stomp-powered launcher to blast off paper rockets they design. Materials can be found at a local hardware store or you may already have them at home.

In this activity, learners cut, fold, and paste paper representing biomolecules to create a three-dimensional cell membrane with embedded proteins.

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