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A Better Fly Trap
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In this activity, learners observe fly behavior and then build a flytrap.
Without An Ark: The Effects of Storms and Floods
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April showers bring May flowers, but what do coastal storms bring?

Water Rocket Launch
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In this activity, learners explore rocketry and the principals of space flight.

Sort It Out!
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In this activity, learners explore how engineers have developed sorting systems which integrate into manufacturing and packaging processes. Learners explore how coins are made.

Plankton Races
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In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

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.

Modeling the Night Sky
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In this two-part activity, learners explore the Earth and Sun's positions in relation to the constellations of the ecliptic with a small model.

Chilean Sea Bass: Off the Menu
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In this data analysis activity, learners use data collected by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) to study Chilean sea bass populations.

Making Sense of Sensors
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In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

Telescopes as Time Machines
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This fun, nighttime hands-on astronomy activity lets learners explore how long it takes for light from different objects in the universe to reach Earth.

Irrigation Ideas
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In this activity, learners explore how civil engineers solved the challenge of moving water via irrigation.

Our Sense of Touch: Two-Point Discrimination
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In this activity, learners investigate the touch sensory system and discover how to plan and carry out their own experiments.

Our Sense of Sight: Eye Anatomy and Function
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In this activity, learners investigate the sense of sight and develop and conduct their own experiments.
Bag of Bones
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In this activity, learners will use cereal to conduct an experiment and investigate how decreased bone density is related to increased risk of bone fracture.

Sizing Up Temperature
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In this activity, learners explore Charles' Law in a syringe.

That's the Way the Ball Bounces: Level 3
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In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, volume, density, and bounce height.

Pot-in-Pot Refrigeration
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In this activity (on page 2 of PDF), learners create a low-tech refrigerator that requires no electricity to keep food from spoiling.

Clam Hooping
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In this two-part outdoor activity, learners conduct a population census of squirting clams on a beach or mudflat, and investigate the clams' natural history.

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.

Life Size: What's in a microbe?
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In this activity on page 3 of the PDF, learners visualize the relative size and structural differences between microbes that have the potential to cause disease.