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Mint Your Own Coin
Source Institutions
Coins are everyday objects which tell a lot about the people who use them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-749.jpg?itok=UIT5d4EF)
How Our Environment Affects Color Vision
Source Institutions
In this lab (Activity #1 on page), learners explore how we see color.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-214.jpg?itok=HjTwqw__)
Wolf Limiting Factors
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In this activity, learners simulate a wolf and its habitat and observe what happens when the limiting factors change over time.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-136.jpg?itok=1dBRYNVB)
Personal Fan
Source Institutions
Cool off in the heat with this project! Learners use simple materials to build a fan that runs on a motor.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-207.jpg?itok=LMxyOYCF)
Coverslip Traps
Source Institutions
In this activity, learners use coverslips to collect organisms from a pond, estuary or marine environment and then examine what they have caught with a microscope.
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Color Code
Source Institutions
In this activity, learners conduct the "Stroop Effect" test and explore what happens when they try to complete two simple tasks at the same time.
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Water "Digs" It!
Source Institutions
In this activity, learners investigate soil erosion. Learners set up a simulation to observe how water can change the land and move nutrients from one place to another.
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The Best Dam Simulation Ever
Source Institutions
This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-509.png?itok=B-jqFCWJ)
Globe at Night
Source Institutions
In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.
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Snake Kite
Source Institutions
In this activity, learners will explore the physics of air by making a snake kite.
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Periscope
Source Institutions
In this activity, learners construct a device that allows them to look over ledges or around corners.
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Metallophone
Source Institutions
In this activity, learners explore sound by constructing an instrument using some metal pipes, rubber bands, and a baseboard.
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Reaction Time
Source Institutions
In this activity, learners conduct an experiment to test how fast they can react. Learners try to catch a piece of paper with a ruler printed on it (or a ruler) as quickly as they can.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-214.png?itok=InBNIO71)
Motion Picture
Source Institutions
During this hands-on activity, learners are briefly exposed to moviemaking and animation, when they create their own thaumatropes.
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Fingerprints
Source Institutions
In this activity, learners examine their fingerprints and learn that they can be categorized by shape, but each fingerprint is unique.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-991.png?itok=71IMDg8l)
Adaptive Device Design
Source Institutions
In this activity, learners explore the concept of how engineering has made possible the development of--and ongoing improvements to--adaptive devices that serve to help individuals with a wide range o
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Buried Bones
Source Institutions
In this activity, pairs of learners will create two make-believe dig sites by burying chicken bones in plaster of Paris--a powder that hardens when wet.
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Cover Up!
Source Institutions
Learners test their memory and ability to learn memory strategies in this game. Partners start with an array of poker chips, coins, or paper squares on the table.
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Do a Spacewalk!
Source Institutions
In this activity, learners train to increase muscular strength and improve upper and lower body coordination by performing the “bear crawl” and the "crab walk.” Learners perform the exercises over tim
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Stereo Sound
Source Institutions
We listen to stereo music systems, tv's, and radios because it simulates being where the sound originates.