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Trebuchet Toss
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In this activity, learners explore trebuchet design. Teams of learners construct trebuchets from everyday materials.
Ships Ahoy!
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The goal of this activity is to design the fastest sailboat or one that carries the most treasure.
Interactive Gumball Machine
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In this activity, learners review the history of gumball machines and explore potential and kinetic energy, while working in teams to build a gumball slide.
Gel Electrophoresis
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In this activity, learners simulate the process of DNA fingerprinting by using electricity to separate colored dyes.
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.
Rotational Equilibrium
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In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.
Sugar Crystal Challenge
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This lesson focuses on surface area and how the shape of sugar crystals may differ as they are grown from sugars of different coarseness.
How Do We Convert Electrical Energy into Mechanical Energy?
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In this activity, learners make an electromagnet motor to demonstrate the most basic method of changing electrical energy into mechanical energy.
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.
Draggin' Boats
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Learners design, build, and test models of "dragon boats" made from up to three milk cartons.
Design and Build a Better Candy Bag
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In this activity, learners explore how product design differences can affect the success of a final product -- in this case a bag for holding candy.
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).
Evolution in Plane Sight
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In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.
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.
Aviary Architect
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In this activity, learners are challenged to design, build and test a birdhouse that will stay cool in the sun.
Wind Tube
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In this activity, learners explore moving air and the physics of lift and drag by constructing homemade wind tunnels.
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.
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 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).
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.