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Paper Table
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In this design challenge activity, learners use tubes of newspaper to make a table that’s at least eight inches tall and strong enough to hold a heavy book!

Hail Storm House
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In this activity, learners construct hail-proof houses using recycled materials to discuss storm readiness and safety.

CD Air Puck
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In this activity, learners will use a compact disc to build an air puck that can glide across a smooth tabletop. The puck glides with almost no friction on a cushion of air escaping from a balloon.

DIY Bath Bombs
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In this activity, learners will explore acid-base reactions and create their own bubbly results.

Giant Lens
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In this activity about light and refraction, learners discover how a lens creates an image that hangs in midair.

Edible Earth
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In this activity, learners make a model of the solid Earth's layers that's good enough to eat! Learners use tasty foodstuffs to simulate Earth's inner core, outer core, mantle, and crust.

Egg Bungee Jump
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In this activity, learners design a bungee jump for an egg using nylon stockings.

You Can Say That Again!: Text Compression
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This activity helps students learn how computers "compress" text by identifying repeating patterns of letters, words, and phrases.

Paddle Power
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In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.

Doughy Physics
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Learners drop two different masses of play dough and observe how long it takes them to hit the ground.

Baseball
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In this math activity (Page 17 of the Play Ball! PDF), learners play a game of "baseball" and analyze the results of the game.

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.

Night Lights
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In this activity, learners create night lights using a plastic cup, programmable PICO Cricket, tri-color LED, and sensor.

Push Pull Painter
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In this activity, learners create painting machines that can paint moving forwards and backwards.

How to Extract DNA From Anything Living
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In this genetics activity, learners discover how to extract DNA from green split peas.

Take It in Stride
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In this health and fitness activity, learners focus on the importance of daily physical activity, specifically walking.

Parachuting Pinwheel
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Build a pinwheel that works without wind! This activity contains steps on how to build a parachuting pinwheel out of paper, a film canister, and some brads.

Pop Fly
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In this design challenge activity, learners invent a way to send a Ping-Pong ball flying high enough to catch it - like football with a twist!

Kicking Machine
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In this design challenge activity, learners build a machine that kicks a Ping-Pong ball into a cup lying on its side 12 inches away.

Colour by Numbers: Image Representation
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This activity shows learners how computers use numbers to represent pictures. A grid is used to represent the pixels (short for picture elements) of a computer screen.