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Trading Places: Redox Reactions
Source Institutions
Visitors add drops of copper sulfate solution onto a steel nail. They observe the nail change color from silver to brown as the copper plates onto the nail.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-495.png?itok=GR87jOzH)
Disease Detective
Source Institutions
This activity (on pages 35-43) lets learners analyze a "herd of elk" to detect the spread of a bacterial disease called brucellosis.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-792.gif?itok=xa0pZbc8)
CD Spinner
Source Institutions
In this activity, learners create a simple “top” from a CD, marble and bottle cap, and use it as a spinning platform for a variety of illusion-generating patterns.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-137.jpg?itok=kAzsrMcX)
A Funny Taste
Source Institutions
In this activity, learners explore the different salinities of various sources of water by taste-testing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-595.jpg?itok=px6SVwBc)
Classification Line-up
Source Institutions
This activity was designed for blind learners, but all types of learners can use it to organize an interactive model for learning the classification system (taxonomy) of living things.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-318.gif?itok=LB15JfS2)
The Missing Link
Source Institutions
In this activity, learners collect, analyze, and interpret information about objects in order to classify them into a cladogram. Use this activity to talk about how scientists classify things.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-242.jpg?itok=ZEdYfTir)
Isopods
Source Institutions
In this outdoor activity, learners dig for and collect isopods (sometimes known as "roly-poly bugs" or "potato bugs" and other names).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-343.jpg?itok=gnciYdsE)
Right Hand/Left Hand
Source Institutions
In this activity (1st on the page), learners conduct a series of tests to find out which of their hands is more dominant. In other words, are they right-handed or left-handed?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-284.jpg?itok=T75_mog8)
Box Ecology
Source Institutions
This great "re-use it" activity will demonstrate how to transform a greeting card into a box. Once constructed, the box can have many uses like holding special notes or keepsakes.
The Jelly Bean Challenge
Source Institutions
In this activity, learners explore how their sense of smell affects their taste buds. Learners taste different flavored jelly beans while holding their nose.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-144.jpg?itok=xNxO-iqW)
Let's Clone a Mouse, Mouse, Mouse...
Source Institutions
Somatic Cell Nuclear Transfer (SCNT) is a cloning method that involves transferring a nucleus from a somatic cell of the individual to be cloned to an enucleated egg.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-829.png?itok=pvVmazG_)
Hold a Hill
Source Institutions
In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-732.jpg?itok=h4RiziWV)
Rotating Light
Source Institutions
In this activity, learners explore what happens when polarized white light passes through a sugar solution.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-384.jpg?itok=DPAu1cxG)
Skin, Scales and Skulls
Source Institutions
In this activity, learners examine body parts (including skin, scales, and skulls) from fish, mammals and reptiles. Questions are provided to help encourage learner investigations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-294.png?itok=E5LyhECl)
Lichen Looking
Source Institutions
In this outdoor activity, learners search for lichen, a combination of a fungus and an alga living together. Lichen grow where most other plants cannot, on rocks, the trunks of trees, logs and sand.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-183.jpg?itok=qNqna_l_)
Fingerprint Identification
Source Institutions
In this crime science activity (on page 2 of the PDF), learners will explore the uniqueness of fingerprints. The will learn components of fingerprints as well as why fingerprints are left behind.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-726.jpg?itok=lQ7-5AVu)
Touch the Spring (Lightbulb)
Source Institutions
In this activity, a lightbulb is placed in front of a concave mirror. The actual lightbulb is not visible to the viewer, but the viewer can see the mirror image of the lightbulb formed in space.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-357.gif?itok=blHTfrM_)
Our Sense of Sight: Color Vision
Source Institutions
In this activity, learners investigate color vision as well as plan and conduct their own experiments.
Currently Working: Testing Conductivity
Source Institutions
Visitors test solutions of water, sugar, salt, and hydrochloric acid and the solids salt and sugar. They clip leads from the hand generator to wires immersed in each substance.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-496.png?itok=vR34uWPk)
African Arts
Source Institutions
In this two-day activity (on pages 16-22), learners use a process like that of the Yoruba people of Nigeria to create an African symbol on cloth.