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Showing results 101 to 109 of 109
Comparing Sizes of Microorganisms
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In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete
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.
Target Practice
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In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.
Shaking It!
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In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.
Ride on a Slide: Toys or Tubes Ride Slopes and Angles
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This activity is a hit for family events and all ages—some will finish in 45 minutes; others can go on for hours.
Prepare for a Construction Zone Field Trip
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In this activity, learners explore work, forces, simple machines, and construction. This lesson guide includes simple ways to demonstrate these principles as well as hands-on activities.
Newspaper Bridges
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In this activity, learners build bridges out of newspaper and tape to explore how structures are designed to bear loads.
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.
Waterproof that Roof!
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In this activity, learners explore how engineers have improved roofing designs and materials in order to protect the contents of buildings.