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I Spy Shapes
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The learner will ask yes-no questions to identify a secret shape (similar to Twenty Questions). Build understanding of shapes and logic skills with this game for all ages.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-683.jpg?itok=ZBPEmNXg)
The Rumblin' Road: Determining distance to a Thunderstorm
Source Institutions
In this activity, learners discover how to determine the distance to a lightning strike or nearby thunderstorm.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-284.jpg?itok=T75_mog8)
Box Ecology
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This great "re-use it" activity will demonstrate how to transform a greeting card into a box. Once constructed, the box can have many uses like holding special notes or keepsakes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-521.jpg?itok=KwO1BPD_)
Exploring Products: Nano Sand
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In this activity, learners explore how water behaves differently when it comes in contact with "nano sand" and regular sand.
Rate It: Working With Zero and Negative Numbers
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In this activity, learners will rate the day, a book, or something else on a scale from -2 to 2. This activity works well for groups of all ages.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-534.png?itok=0ZNkHSW2)
Walking Polygons
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In this activity, learners walk the sides and interior angles of various polygons drawn on the playground. As they do so, learners practice rotating clockwise 180° and 360°.
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Exploring Tools: Special Microscopes
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In this activity, learners use a flexible magnet as a model for a scanning probe microscope (SPM). They learn that SPMs are an example of a special tool that scientists use to work on the nanoscale.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-569.png?itok=8H_kRzir)
Jumping to Conclusions
Source Institutions
In this online brain stumper, the bottom half of a series of letters is covered. You may think you know what it says, but remove the black bar to see if you're right.
Quick Questions: Create a Survey
Source Institutions
In this activity, learners will conduct an open-ended survey, and then organize and analyze results. What languages does everyone speak? What’s the most common? the least common?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-901.jpg?itok=YuRaIPDM)
Underwater ROV
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In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-146.gif?itok=KjgpYjsi)
Loopy Geometry
Source Institutions
Discover geometry by creating shapes from loops of paper. In this activity, paper loops transform to give you totally new structures when you cut them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-657.gif?itok=o9nn7wN6)
Up and Down Donkey
Source Institutions
In this game, learners build up six stacks of cards in the middle of the table, face up, in order from 1 at the bottom to 20 on the top. The first player to get rid of all his cards is the winner.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-474.jpg?itok=9j-tMmfQ)
Color Draw
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In this activity, learners use their understanding of probability to guess which color will be drawn from a bag.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-451.jpg?itok=82k1bmzZ)
Bronx Cheer Bulb
Source Institutions
In this activity, learners observe what happens when they give a light source like a neon glow lamp a "Bronx Cheer." The lights appear to wiggle back and forth and flicker when learners blow air throu
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-654.jpg?itok=2asbLN2W)
Gravity Fail
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In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-313.png?itok=4pJxkn1_)
Super Sounding Drum
Source Institutions
In this activity, learners construct drums out of everyday containers (like bowls or food containers) and shrink wrap. Learners use a hair dryer to affix and tighten the shrink wrap to the container.
Pace-Off!
Source Institutions
In this math activity, learners use non-standard measurement (paces) to find the distance from one point to another. Learners practice estimating and measuring distances .
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-461.jpg?itok=gT6o9f9H)
Guess My Number
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In this math activity, learners play a game similar to 20 Questions, in which learners must identify a secret number drawn from a bag.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-522.png?itok=Urugo0sM)
Exploring Materials: Thin Films
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In this activity, learners create a colorful bookmark using a super thin layer of nail polish on water. Learners discover that a thin film creates iridescent, rainbow colors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-898.jpg?itok=agAOQU6d)
Cup Sailing Game
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In this online Flash game, learners will captain a sailing challenge, adjusting boat direction and sails, seeking the way to take greatest advantage of varying wind speeds and directions to catch the