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Balsa Towers
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Learners work in groups to design and build a tower out of balsa wood. As a motivator, they can compete to build a tower with the highest strength-to-weight ratio.

Fun with Speedboats
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In this activity, learners explore how boats are engineered to achieve speed.

Paper Drop Design Competition
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Using paper, paper clips, an index card, and tape, teams of learners design flying devices to (1) stay in the air as long as possible and (2) land as close as possible to a given target.

Roving on the Moon
Add to list DetailsIn this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

Geometry and Algebra: The Future Flight Equation
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In this activity, learners discover how NASA engineers develop experimental aircraft.

Folding Matters
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In this activity, learners explore how the process of folding has impacts on engineering and is evident in nature.

Roller Coasters
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In this activity learners will build roller coasters and test them using small balls or marbles.

Rooftop Gardens
How does a green roof, or roof covered by plants, affect the temperature of the inside and outside of a building? Learners design and build houses to find out the answer.

Solar Water Heater
Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.

Zero-Energy Housing
In this activity, learners investigate passive solar building design with a focus solely on heating.

Skewers and Garden Poles
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In this activity, learners build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape.

Construction Technologies: Construct the Strongest Bridge
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Learners work in pairs to create three simple types of bridges, a beam bridge, an arch bridge, and a suspension bridge.

Landing the Rover
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In this team design challenge (page 19-24 of PDF), learners "land" a model Lunar Rover in a model Landing Pod (both previously built in activities #3 and #4 in PDF).

Living Bones, Strong Bones
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In this activity about engineering, nutrition, and physical activity, learners design and build a healthy bone model of a space explorer which is strong enough to withstand increasing amounts of weigh

Design a Lunar Rover!
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In this team design challenge (page 2-10 of PDF), learners design and build a model of a Lunar Transport Rover that will carry equipment and people on the surface of the Moon.

Design a Landing Pod!
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In this team design challenge (page 11-18 of PDF), learners design and build a Landing Pod for a model Lunar Rover (previously built in activity on page 1-10 of PDF).

Lift Off!
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This activity (on page 2 of the PDF under SciGirls Activity: Lift Off) is a full inquiry investigation into the engineering challenges of sending scientific sensors into space.

Garden Poles
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In this activity, learners build large-scale structures and cantilevers in a series of "building out" challenges with garden poles and tape.

Milk Carton Boats
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This activity (on page 2 of the PDF SciGirls Activity: Milk Carton Boat) is a full inquiry investigation into boat hull design.

Don't Crack Humpty
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Groups of learners are provided with a generic car base and an egg. Their mission: design a device/enclosure to protect the egg on or in the car as it rolls down a ramp with increasing slopes.