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Probability
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In this activity, learners will explore probability using dice. They will predict and then roll the dice to observe how many rolls it would take to repeat a matching pair. Learn track predictions vs.

Mountain Rescue Mission
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In this math activity, learners play a game that helps reinforce learners' understanding of the coordinate system.

Spinning Your (Color) Wheels
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In this optics activity, learners use everyday materials to make a color wheel. When learners spin the wheel like a top, they will be surprised to see all the colors mixing together to appear white.

Building an Army
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In this activity, learners explore the potential of interchangeable standard parts to create a large number of unique creations in different combinations.

Constellation Detective
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In this quick activity, learners practice locating a constellation in a map of very dark skies.

Modulated Coil: Hear the magnet!
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Do you have an extra portable cassette tape player hanging around?

¡Truco Con Agua!
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En esta actividad los aprendices aprenderán un truco de magia donde la magia es la presión del aire.

Overlapping Spots: Make a bright spot brighter
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This perception trick focuses on conflicting information to the brain...instead of trying to see two images, you're trying to get a bright spot by overlapping the image you see through two tubes.

Telephone Talk
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In this math activity, learners find patterns in telephone numbers.

Afterimage
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In this optics activity, learners investigate afterimages.
Toothpick Patterns
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In this math activity, learners make toothpick designs by following simple patterns.
Tip Topper
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In this math activity, learners role-play as wait staff at the Kidtropolis Diner. It's the end of the night and it's time for the staff to collect their tips.

Achi: A Strange Game of Tic Tac Toe
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In this game, learners strategize to be the first player to make three in a row.

Subtracta's Dog
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In this math activity related to volume, learners use problem solving skills to calculate and build a model house for Minus the dog.

The Braille Alphabet
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In this activity (8th activity on the page) about the sense of touch, learners make their own set of Braille letters. Learners use glue to make raised dots on a Braille Alphabet Sheet.

Newspaper Bridges
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In this activity, learners build bridges out of newspaper and tape to explore how structures are designed to bear loads.

The Senses of "Unknown Creatures"
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In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.

100 Puzzles
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In this activity, learners find as many combinations of a hundred as they can using various puzzle pieces from a hundred square grid paper.

Family Traits and Traditions
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In this activity, learners play a matching game with their families to discover common inherited traits and traditions. Learners distinguish between inherited traits and learned traditions.

The Variety and Roles of Microbes
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In this activity, learners use sets of cards to assign microorganisms to different groups.