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Modeling Day and Night
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In this activity (on page 1 of the PDF), learners make a "mini-globe" to investigate the causes of day and night on our planet.
Coincidental Colonization
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In this game of chance, learners will discover how organisms colonized the Galápagos Islands, experiencing how chance plays a role in the successful dispersal of species to new areas.
Paint by the Numbers
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In this pencil and paper activity, learners work in pairs and simulate how astronomical spacecraft and computers create images of objects in space.
The Poor Cartographer: Graph Coloring
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In this activity, learners help a poor cartographer color in the countries on a map, making sure each country is colored a different color than any of its neighbors.
Earth Attractions
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In this activity, learners build and test a compass. Learners work in pairs and pretend they are stuck in the wilderness at night.
Sound Representation: Modems Unplugged
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In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video.
Sustainable Fishing
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In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.
Nano Latch-n-Catch
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In this activity, learners design a therapeutic agent to image and/or cure various diseases in the respiratory system.
Plenty on the Plains
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In this activity, learners compare the ways of life of Plains Native Americans who hunted and moved frequently to follow the buffalo herds, and Native Americans who farmed and lived in more permanent
Generations of Traits
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In this hands-on activity, learners track and record the passage of colored "pompom traits" through three generations of gingerbread people.
Bright Lights
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In this activity about electricity, learners imagine that they are out in the wilderness and it is getting dark. Their task is to use the materials supplied to build a simple flashlight.
Carbon Cycle Roleplay
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In this creative roleplay activity, learners will explore the various processes of the carbon cycle using movement and props to aid in comprehension.
Cave in a Cup
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In this activity (page 2 of PDF under GPS: Cave Swallows Activity), learners will model how caves are formed by placing one piece of chalk in a cup of vinegar and another piece in a cup of water, then
Cookie Surface Area
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This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.
Partners in Pollination
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In this activity, learners identify the reproductive parts of plants and the animal (bee) structures involved in pollination.
The Muddy City: Minimal Spanning Trees
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In this puzzle, learners investigate the decisions involved in linking a network between houses in a muddy city.
Quick Frozen Critters
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In this activity, learners play an active version of freeze tag based on predator/prey relationships.
What-a-cycle
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In this activity, learners act as water molecules and travel through parts of the water cycle to discover that it is more complex than just water moving from the ground to the atmosphere.
Investigating the Insides
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In this activity, learners work in teams to investigate the composition of unseen materials using a variety of tools.
Cryptographic Protocols: The Peruvian Coin Flip
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This activity about cryptographic techniques illustrates how to accomplish a simple, but nevertheless seemingly impossible task—making a fair, random choice by flipping a coin between two people who d