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Cabbage Indicator
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In this fun chemistry activity (page 3 of the pdf), learners use cabbage juice to determine the pH of several substances.
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Chemistry Cake
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In this exciting and tasty chemistry activity which requires adult supervision, learners explore how chemistry affects a simple everyday activity like cooking.
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Jar Races
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In this physics activity, learners will gain a better understanding of how friction, inertia, and mass affect objects.
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Make Your Own Compass
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In this physics activity (page 8 of the PDF), learners will make their very own working compass.
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3-2-1 POP!
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In this physics activity, learners build their own rockets out of film canisters and construction paper.
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Tangram Challenge
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In this activity about tangrams, learners print and cut out their own tangram shapes and solve puzzles by fitting these geometric pieces together in a variety of ways.
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Magnetic Pendulum
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In this activity about magnetism (page 15 of the PDF), learners will explore how opposite and similar magnetic poles affect a swinging (pendulum) magnet.
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Catapult
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In this activity about transfer of energy, learners get to build their own catapult using nothing more than a plastic spoon and some tape.
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Chain Reaction II
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In this hands-on activity, learners use an assortment of (mainly household) items to complete Rube Goldberg-type challenges.
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Maillard Reaction
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In this activity, learners will explore the chemistry of cooking. They will learn about--and observe--the Maillard Reaction as they make their own browned butter.
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Hieroglyph Holiday
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In this activity about archaeology, learners will explore different Egyptian hieroglyphs and recognize their meanings and uses.
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Running on Empty
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In this exercise and nutrition activity, learners will explore how food is the fuel that powers them. They will create a chart to figure out how many calories they burn during recess.
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Glitter Bottles
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In this activity, learners will create glitter bottles with adult supervision. These are a fun way for little ones to practice observing and making comparisons.
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COSI Quicksand
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In this chemistry experiment, learners get to make a very bizarre substance using corn starch and water. Is it a solid? Is it a liquid? Or is it a different kind of substance entirely?
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School of Fish
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In this activity, learners will make fish cutouts that propel through the water with the help of surface tension.
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Rock Candy
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In this yummy chemistry activity which requires adult supervision, learners use sugar and water to explore how crystals form.
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Magnetism Hunt
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In this activity about magnetism (page 4 of the PDF), learners will experiment with magnets and different objects to find out that not all metals are attracted to magnets.
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Float Your Boat
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In this physics activity, learners will explore buoyancy.
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Create a Food Diary
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In this nutrition activity (page 3 of the PDF), learners will record their food consumption for one day, and then evaluate how their actual diet matched up with the recommended diet.
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COSI's Bubble Recipe
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Everybody loves bubbles, and this is the best bubble recipe ever!