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Creating Tostadas
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In this activity, learners develop their understanding of combinations as they create as many different kinds of tostadas as possible.
Spin to Win!
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In this math activity, learners play a probability game and try to be the first to get to the end of the game board path .This activity guide contains a material list, black line masters for the game

Graph Dance
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In this activity, learners "dance" (move back and forth at varying speeds) by reading a graph. This is a kinesthetic way to help learners interpret and understand how motion is graphed.

Helicopter Twirl
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Learners cut and fold a paper helicopter from the template in this PDF. They practice twirling the helicopter and observe what happens as they modify their tries.

Designer Ears: Make “better” ears!
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Find out what it would be like to have ears shaped differently from your own! Design and make different animal ears then try them out.
Sea State: Forecast Conditions at Sea
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In this oceanography and data collection activity, learners cast real time sea state conditions using buoys from NOAA's National Data Buoy Center.

Percentage of Oxygen in the Air
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In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.

Games from Around the World
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This lesson (on pages 46-55 of PDF) features two strategy board games -- one from Ghana and one from China. The first game, Achi, is a cross between checkers and tic-tac-toe.

Measuring Wind Speed
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In this indoor and/or outdoor activity, learners make an anemometer (an instrument to measure wind speed) out of a protractor, a ping pong ball and a length of thread or fishing line.

Hoop Glider
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In this activity, learners engineer a flying glider using paper hoops and a drinking straw.

Crazy Shapes
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In this activity, learners cut a shape into two equal sized pieces and use their knowledge of geometry and space to prove that the two parts are equal.

Rubberband Rockets
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This fun and simple activity is a rubberband rocket design challenge! Learners will explore how tail fins can help to stabilize a flying object, while also exploring potential and kinetic energy.

Scytale Messages
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In this activity, learners use a soda can to decode a secret message. Learners wrap scytale (pronounced ski-tally) code around a can and challenge friends to see if they can crack the codes.

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

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.

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.

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.

Fair Spinners
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In this math game (Page 9 of the Are You Game? PDF), learners determine what makes a spinner fair or unfair. Learners first play a round with a pre-made spinner that isn't very fair.