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Sea State: Forecast Conditions at Sea
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In this oceanography and data collection activity, learners cast real time sea state conditions using buoys from NOAA's National Data Buoy Center.

Deep Sea Diver
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In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.

Get-Moving Game
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In this invention challenge activity, learners create an indoor game for one or two people that gets you moving.

Exploring Structures
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This event guide features three related explorations in which learners investigate the following science concepts: how you design and build a structure helps determine how strong it will be; different

Measure the Pressure: The "Wet" Barometer
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In this activity, learners use simple items to construct a device for indicating air pressure changes.

Clay Exploration
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In this activity, learners explore the possibilities of clay as a natural material.

Crazy Shapes
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In this activity, learners cut a shape into two equal sized pieces and use their knowledge of geometry and space to prove that the two parts are equal.

Infrared Investigations
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In this activity, learners explore how infrared technology is used by engineers to create equipment and systems for a variety of industries.

Castles Inside and Out
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In this three-day lesson, learners identify two-dimensional shapes used in castle construction, create a castle collage using assorted shapes, and design tapestries using repeated patterns of color, s

Survivors! The People of the Arctic
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In this activity, learners use maps to locate the Arctic region and use a word game to discover the types of resource people need to survive in the extreme climate.

Mountain Rescue Mission
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In this math activity, learners play a game that helps reinforce learners' understanding of the coordinate system.

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.

Building an Army
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In this activity, learners explore the potential of interchangeable standard parts to create a large number of unique creations in different combinations.

Keep it Cool
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In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.

Subtracta's Dog
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In this math activity related to volume, learners use problem solving skills to calculate and build a model house for Minus the dog.

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.

100 Puzzles
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In this activity, learners find as many combinations of a hundred as they can using various puzzle pieces from a hundred square grid paper.

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.

Fair Spinners
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In this math game (Page 9 of the Are You Game? PDF), learners determine what makes a spinner fair or unfair. Learners first play a round with a pre-made spinner that isn't very fair.