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Working with Watermills
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In this activity, learners explore how watermills have helped harness energy from water through the ages.

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

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.

Planting with Precision
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In this activity, learners explore how engineers work to solve the challenges of a society, such as efficient planting and harvesting.

Tennis Anyone?
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In this activity, learners explore sports engineering and advanced materials development.

Pollution Patrol
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In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.

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

Measuring the Wind
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In this activity, learners explore how anemometers work to record wind speeds and how the equipment has undergone engineering adaptations over time.

Vectoring: Steering a Plane
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In this two part activity, learners work in pairs or individually to discover how vectoring the thrust from a jet engine affects movement of an airplane.

Chair Lift Challenge
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In this activity, learners explore the unique challenges in transportation engineering, such as devising a method for skiers or hikers to get to the top of a mountain.

Conveyor Engineering
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In this activity, learners explore the engineering behind the conveyor belt and consider the impact this invention has had on transportation and the coordinated shipping and delivery of goods.

Dispenser Designs
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In this activity, learners explore how engineers work in a team to solve problems.

Stop the Stretching
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Learners work with plastic sheeting, masking tape, and string to design the perfect material for plastic chair webbing, and then construct their webbing.

Portable Sundial
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Learners construct one or more of the following kinds of sundials: a shadow plot, a horizontal sundial, and a diptych sundial.

Clipper Creations
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In this activity, learners create a working model of a nail clipper. This activity helps learners learn the basic principles of simple machines, engineering design and model building.

Jam Jar Jet
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In this activity, learners create a "Jam Jar Jet" based on Francois Reynst's discovery of a pulsejet engine, which uses one opening for both air intake and exhaust.

Building Tall
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In this engineering activity (page 2 of PDF), young learners investigate how a wide base can make a building more stable. Learners use blocks or boxes of different sizes to construct stable towers.

Low-Tech Water Filter for High-Impact Clean
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In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.

Four Corners
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In this design challenge activity, learners build a machine out of cardboard that runs smoothly and dependably. Learners must be precise to make sure their component works properly.

Heavy Lifting: Design Squad
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In this engineering challenge, learners design and build a crane out of cardboard to see how heavy a load it can lift.