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Building Tetrahedral Kites
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Working in teams of four, learners build tetrahedral kites following specific instructions and using specific materials.

Hull Engineering
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In this activity, learners explore how the hull shape impacts a ship's performance and stability.

Straining Out the Dirt
Learners take on the role of environmental engineers as they design water filters.

Design For All: Project Playground
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In this design challenge, learners will practice empathy and design thinking skills by creating a play space that is fun, both for themselves and other kids.

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.

Fragile Waters
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In this activity (on pages 18-29) learners explore the impact of the March 24, 1989 oil spill in Alaska caused by the Exxon Valdez tanker.

Design For All: Imagining Inventions
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In this design challenge, learners will practice empathy and design thinking skills by creating an invention of the future.

Solar Structures
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In this activity, learners explore how the power of the sun can be harnessed to heat and cool a building.

Working with Wind Energy
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In this activity, learners explore how wind energy can be generated on both a large and small scale.

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).

Toxic Popcorn Design Challenge
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In this activity, learners explore the engineering design process (EDP)—the process engineers use to solve design challenges.

Shipping for Survival
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In this activity, learners explore how packaging engineers develop customized shipping and packaging containers to meet the needs of many different industries.

Engineered Music
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In this activity, learners explore how musical instruments are engineered.

Robot Hands
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This activity (on page 2) explores how sensing is part of robotics. Learners try tying their shoes with different constraints.

Homemade Hovercraft!
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This activity (on page 2 of the PDF under SciGirls Activity: Hovercraft) is a full inquiry investigation into hovercraft engineering and design optimization.

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

Composting
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In this environmental science activity, learners research what is essential for plant life and the necessary components of soil to support plants.

Egg-cellent Landing
Learners recreate the classic egg-drop experiment with an analogy to the Mars rover landing. The concept of terminal velocity will be introduced, and learners perform several velocity calculations.

Whirling Windmills
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In this activity, learners are challenged to design and construct a windmill to harness the power of wind.

Construction and Destruction
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In this three/four-day lesson, learners calculate perimeters and areas and draw the castle plan to scale.