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Pesticides and Eggshell Thinning
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This lab activity is about toxic substances like pesticides and their effects on biological systems. The activity starts with an introduction of how birds sequester calcium to make an egg.

Whose Fault Is It?
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In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes.

Graph Dance
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In this activity, learners "dance" (move back and forth at varying speeds) by reading a graph. This is a kinesthetic way to help learners interpret and understand how motion is graphed.
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.

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

DNA the Easy Way
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This demonstration can be used to help learners visualize DNA by lysing (breaking open) bacterial cells on a slide and “stringing up” the DNA with a toothpick in less than one minute.

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.

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.

Series and Parallel Circuits
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In this activity, learners demonstrate and discuss simple circuits as well as the differences between parallel and serial circuit design and functions.

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.

Lift Experiment
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In this experiment, learners investigate how the size of a wing affects lift. Learners count the number of pennies an egg crate plane wing can hold until the plane will no longer fly.

Minibot
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In this activity, learners build a mini dancing robot. This engineering activity introduces learners to electricity, circuits, switches, conductivity, and motors.

Sticky Situation
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In this activity, learners separate the protein from milk and and use it to make their own glue.

Thumb Piano
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In this activity, learners explore sound by constructing a simple piano out of wood and craft sticks.

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.

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.

The Senses of "Unknown Creatures"
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In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.

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.