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Showing results 101 to 120 of 263

Under Pressure
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In this simple activity, learners discover how a mere piece of paper can be used to hold up the weight of a heavy book.

Hanford at the Half-Life Radiation Calculator
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This quiz lets you estimate your annual radiation exposure.

Block Bowling
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In this activity learners will build structures out of blocks and then roll balls to try to knock them down.

Cook Up a Comet
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In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.

Solving Playground Network Problems
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In this activity, learners use cooperation and logical thinking to find solutions to network problems on the playground.
Piece It Together: Puzzle Hunt
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In this activity, learners follow clues to find five puzzle pieces, then assemble them. This activity works well with a whole group, individuals, or families.

Opti-Top
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In this activity, learners will create an optical illusion top. Learners will explore color mixing, physics and design through this activity.
Shady Snakes
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In this activity, learners make pretend snakes and use them to explore estimation and measurement. Learners roll out clay snakes and estimate and measure their lengths and diameters.

I Don't Think So!
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In this math activity, learners explore probability as they play a game. Learners will categorize everyday events as either impossible, possible or certain.

Observing the Moon
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Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.

Exploring Measurement
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In this "Sid the Science Kid" activity, learners use their bodies to measure a room. Instead of inches or feet, how many kids does it take to measure the length of a room?
More Bubbles!
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In this math activity, learners make their own bubble wands and determine if the size of the wand affects the number of bubbles it produces.

Family Reunion
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In this activity, learners combine counting, area and perimeter concepts as they prepare the seating arrangement for a family reunion dinner.

Catapult
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In this activity, learners build mini catapults using paint paddles and a spoon. Use this activity to introduce learners to forces and projectile motion.

Milli's Super Sorting Challenge
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In this activity, learners separate materials based on their special properties to mimic the way recyclables are sorted at recycling centers.

What's the Buzz?
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In this activity, learners construct a playable kazoo from inexpensive materials. They will experience how vibration creates sound waves and music.

Mint Your Own Coin
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Coins are everyday objects which tell a lot about the people who use them.
Magnus Glider
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A design challenge that takes paper airplanes into an entirely different direction: a magnus glider uses cups and and rubber bands to create a glider that uses the same forces that a curveball (from b

Paper Cup Stool
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In this activity, learners will explore how and why weight distribution works.

Slush Rush
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In this online game, learners run an outer space drink stand and thirsty alien customers are on the way.