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Thaumatropes
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In this activity, learners will make a thaumatrope, an old-fashioned optical illusion that dates back to the 1820s.
Are you a Supertaster?
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In this activity, learners examine their tongue and taste buds.

Make a Heart Valve
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In this activity, learners make a model of a one-way heart valve to investigate how a heart controls the direction of blood flow.

Dinosaur Names: Common and Science Names
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In this activity, learners explore how dinosaurs are named and what their names mean. Learners listen to "The Littlest Dinosaurs" by Bernard Most.

Building a 3-D Space Maze: Escher Staircase
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In this activity (page 95 of the PDF), learners create Escher Staircase models similar to those that were used by Neurolab's Spatial Orientation Team to investigate the processing of information about

Flower Dissection
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In this activity, learners perform a plant dissection to gain a better understanding of a plant’s structure and function.

Rainbow Refraction
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In this activity, learners will explore how light can refract or break apart into different colors.

Disappearing Act
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Make a camouflage cut-out animal! Using patterned paper or magazine pictures from around the house, use your craft skills to make a paper animal that blends into its background.

Your Blind Spot
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In this activity, learners will explore how their own eyes work by experimenting with their photoreceptors.

Wolf Postures
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In this activity, learners investigate how wolves communicate with each other through different body postures.
Test Your Lung Power
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In this activity, learners try to blow up a balloon hanging inside of an empty bottle.
Why is the Sky Blue?
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In this activity, learners create a "mini sky" in a glass of water in a dark room.

Clogged Arteries
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In this activity, learners explore how eating unhealthy food can damage a heart and arteries.

Make Your Own Sea Otter
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In this activity about sea otters, learners make their own "otter whiskers" and use them to find objects underwater.

Sing - Suchomimus Was His Name
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In this activity (located on page 2 of PDF), learners sing together a song that gives details about the dinosaur species Suchomimus (pronounced “Sook-o-mime-us”).

Phylogenetics
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This activity lets learners participate in the process of reconstructing a phylogenetic tree and introduces them to several core bioinformatics concepts, particularly in relation to evolution.

Pet Parasite Detective
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This activity (on pages 19-25) is about fleas and ticks, which are common pet parasites.

Wear a Chimp on Your Wrist
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Learners construct a bracelet containing two strands of beads, which represents a double strand of DNA that codes for a gene. They match beads to the bases in a section of a chimp's DNA code.

Doppler Effect
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Sound changes pitch relative to how you or the source of the sound is moving. Use this simple activity developed by the Exploratorium to experience the Doppler Effect yourself!

Ladybug Spots
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In this art/science/math activity, young learners are introduced to the concept of symmetry in nature.