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Density Stacker
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In this physics activity (page 8 of the PDF), learners will explore the property of density.

Shaving Cream Marbling
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In this activity, learners will create beautiful greeting cards by marbling with shaving cream and food dye. They will explore the chemistry behind the art of marbling.

3-2-1 POP!
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In this physics activity, learners build their own rockets out of film canisters and construction paper.

Build a Rocket - and a Launch Pad!
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In this activity, learners construct a rocket powered by the pressure generated from an effervescing antacid tablet reacting with water, and build a launch pad for their rocket.

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.

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.

Optical Morpher
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In this amazing activity about light and reflection, learners will use a pie plate and reflective strips from a mylar balloon to try to morph their face into a friend's.

In Proportion
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Through this nutrition activity (page 5 of the PDF), learners will understand—and probably be surprised by—how big serving sizes of various foods should be.

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.

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.

COSI's Bubble Recipe
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Everybody loves bubbles, and this is the best bubble recipe ever!

Watercolor
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In this activity, learners will use chemistry to create a night sky watercolor painting. They will experiment to learn the effects of mixing crayon, salt, and lemon juice with water color paints.

Push Me a Grape
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In this physics activity, learners experiment with the attractive and repulsive power of magnets.

Hot Spoons
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In this physics activity (page 2 of the PDF), learners will explore the concept of thermal conductivity and learn the differences between high and low thermal conductivity.