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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-000-000-003-477.png?itok=8PpFSMn7)
Life in a Nutshell
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In this multi-faceted game (on pages 25-35), learners recreate what happens to creatures in the Brazilian rain forest as they grow from egg to adult—especially those that use fallen, empty Brazil nut
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-991.png?itok=nybHHDq5)
Butterfly Symmetry Painting
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This activity (on page 3 of the PDF) has learners create models of butterfly wings.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-920.png?itok=7WAtHWL1)
Supersize That Dinosaur
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In this activity, learners explore the size and scale of dinosaurs. Learners listen to "The Littlest Dinosaurs" by Bernard Most. Then, learners estimate the size of a Triceratops and T.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-353.png?itok=ZRRw6na5)
Trash Traits
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In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.
Wheel of Fitness
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In this fun activity for any size group, early elementary learners complete physical challenges while playing a game. Learners add new challenges to the "wheel of fitness" that they want to try.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-543.png?itok=h_wbfpeu)
Weighty Questions
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In this activity about humans and space travel (page 1 of PDF), learners compare and contrast the behavior of a water-filled plastic bag, both outside and inside of a container of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-580.gif?itok=_7u_r8Em)
Heart and Lungs
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In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.
![](/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-000-000-000-936.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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-215.png?itok=NpiFU8d2)
Wolf Survival is Just a Roll Away
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In this simulation activity, learners will raise a pack of wolves under ten different conditions: without human interference and with human interference.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-029.jpg?itok=HiLWj0co)
The Carbon Cycle and its Role in Climate Change: Activity 1
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In this activity (on page 1), learners role play as atoms to explore how atoms can be rearranged to make different materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-528.png?itok=HW8YAUAB)
Memory Match
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In this classic memory game (on pages 37-45 of PDF), learners turn over tiles to reveal images on the back.
![](/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-000-000-004-292.png?itok=RXlaKz-t)
Fingerprints
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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-000-000-000-852.png?itok=9gngTATg)
Feet Fit
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In this self-measuring activity, learners measure and record the length of their foot.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-359.jpg?itok=mEIax5Ox)
Straw Pipes
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Learners build pan pipes out of drinking straws by cutting them to different lengths. Then, learners make music by blowing across the straws and playing some well-known songs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-348.jpg?itok=XGd0268Q)
Color Spy
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In this activity (16th on the page), learners play a variation of the "I Spy" game to explore color. Learners work in teams with each team assigned a color.
Build a Borneo Glider
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In this inquiry-based activity, learners investigate the basic forces of flight as they construct their own paper glider that represents a rainforest creature from Borneo (large, tropical island in So