In this standards-aligned unit, students learn about Mars, design a mission to explore the planet, build and test model spacecraft and components, and engage in scientific exploration.

Students design and build a solar hot water heater and see how big a temperature change they can get.

Students build a rubber-band-powered rover that can scramble across the room.

Students will design, build and test a crew exploration vehicle, or CEV, to carry astronauts to Mars – meeting size, mass and payload requirements.

Students will use the engineering design process to design, build, test and improve a model satellite intended to investigate the surface of a planet.

Students design and build a shock-absorbing system that will protect two "astronauts" when they land.

Students work in teams employing an iterative design process to design and build a water filtration device using commonly available materials.

This six-part video series walks educators and students through the ins and outs of crafting a science fair project.

In this illustrated math problem, students use the mathematical constant pi to find the "habitable zone" around a distant star and determine which of its planets are in that zone.