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What Causes Rainbows?
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In this activity, learners explore how and why rainbows form by creating rainbows in a variety of ways using simple materials. Learners create rainbows indoors and outdoors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-351.png?itok=y3QA9GJC)
All Tangled Up
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In this activity on page 60, learners examine and simulate wildlife entanglement by experiencing what it might be like to be a marine animal trapped in debris.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-965.jpg?itok=ia3u3qRY)
Mirror Reversal
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Challenge popular misconceptions, learners explore how a mirror actually reflects an image in this activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-698.jpg?itok=UmL7WPsR)
CD Greenhouse
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In this activity, learners plant seeds and watch them sprout and grow inside a CD case.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-306.jpg?itok=RQeodCng)
My Insect
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In this activity, learners use information gathered from a variety of sources to design and make their own insect.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-390.png?itok=zdpUp25g)
Exploring With Sound
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In this activity, learners use sound to figure out, or infer, the position of objects. Learners create a maze inside a shoebox with blocks of wood.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-028.png?itok=ukXipibM)
Disappearing Statues
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In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-196.jpg?itok=72jxJbBV)
Soil Density
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In this activity, learners will test soil content using their sample, some water and a container that seals.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-204.gif?itok=CTPPgIar)
Mold Terrarium: What Grows on Leftover Food?
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This activity shows you how to make a mold terrarium using a jar and leftover food.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-163.jpg?itok=XYeibVCH)
Destination Tidepool
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In this activity (page 7 of pdf), learners research tide pool ecosystems, and then create brochures that "advertise" these environments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-624.png?itok=KrqUVDMt)
Spill Spread
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In this simulation, learners explore how ocean currents spread all kinds of pollution—including oil spills, sewage, pesticides and factory waste—far beyond where the pollution originates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-073.jpg?itok=tW8PeYeq)
A Merry-Go-Round for Dirty Air
Learners build a model of a pollution control device--a cyclone. A cyclone works by whirling the polluted air in a circle and accumulating particles on the edges of the container.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-826.png?itok=gi_sGWtI)
Valves and Pumps: A Demonstration
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This is a demonstration you can use to show learners how valves and pumps work in concert to move blood through the circulatory system.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-628.png?itok=fxE0B9tr)
Penny Rubbing
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In this art-related activity, learners make a coin rubbing—a process similar to what archeologists may do with ancient artifacts. This activity can be used in connection with a history or art lesson.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-161.jpg?itok=ua7an1dC)
Shark Sizes
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In this graphing exercise (page 2 of the pdf), learners compare their own height to the length of various sharks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-308.png?itok=S9o75ybI)
Stereo Hanger
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In this activity, learners investigate sound wave science, in stereo! Learners construct a "stereo" out of a metal coat hanger and piece of string to explore sound vibrations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-334.png?itok=MALTGSg7)
Clean It Up
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In this "Sid the Science Kid" activity, learners get their hands dirty by playing in a container of soil. Then they compare the effectiveness of cleaning their hands with just a paper towel vs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-359.jpg?itok=WAeJvGT9)
Tactile Mazes
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In this activity (15th activity on the page) about the sense of touch, learners use glue and cardboard to construct a maze they use with their eyes closed.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-402.jpg?itok=lit_7Ifj)
The Model Neuron
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In this activity, learners create a model of a neuron by using colored clay or play dough. Learners use diagrams to build the model and then label the parts on a piece of paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-936.png?itok=1UvJjtou)
Pulse of Life: Measure Your Pulse
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In this activity, learners take their own pulse and explore how heart rate is affected by various activities.