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Shrinking Cups
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This is a quick activity (on page 2 of the PDF under Gecko Feet Activity) about the forces of gravity and surface tension and how their behavior is influenced by size.
Squeeze Me!
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In this math activity, learners guess a secret number between 1 and 100 in a three-player game.
Magic Turtle Squares
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In this math activity, learners create a magic turtle where all the rows, columns and diagonals add up to fifteen.

Equal Sharing Game
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In this activity, learners are introduced to division and fractions as they share snacks with a group of friends.
Movin' and Groovin'
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In this math activity, learners play a game and identify patterns with fun moves and sounds. Discover how dancing and signing involve patterns.

Drinking Straw Pulse Measurer
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In this health activity, learners create a device so that they not only feel their heartbeat, but also see it, using a straw and some clay.

In the Middle
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In this math activity, learners use problem solving skills to find a middle seat for Mary at the movies. Learners practice dividing numbers and identifying the middle of a quantity.
Double or More
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Choose a recipe to double (or triple, quadruple, or halve). Show everyone the recipe and engage them in figuring out: How much will we need to increase the recipe to feed everyone?

Patches the Cat: A Print-and-Build Paper Sculpture Kit
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In this activity, learners get hands-on with geometry by making a polyhedron kitty sculpture.

Frijolitos
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Esta actividad enseña la proporción y razón por hacer que los aprendices hagan "ensaladas" que combinan tres tipos de frijoles en tres combinaciones diferentes.

Trees: Recorders of Climate Change
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In this activity, learners are introduced to tree rings by examining a cross section of a tree, also known as a “tree cookie.” They discover how tree age can be determined by studying the rings and ho

Solving Linear Equations: The Yo-Yo Problem
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In this math lesson, learners explore linear patterns, write a pattern in symbolic form, and solve linear equations using algebra tiles, symbolic manipulation, and a graphing calculator.

Average Names
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In this activity, learners compare the number of letters in the names of the people in their families or group of friends.

Cylindrical Wing
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In this design and physics challenge, learners construct a cylindrical wing, fly it, make modifications, and determine how the changes affect flight patterns.

Making Map Projections
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In this activity about cartography, learners work in teams to create two different map projections: a planar (or polar) and a cylindrical (or Mercator) projection.
Signs of Change: Studying Tree Rings
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In this very hands-on lesson, learners will investigate dendrochronology (the study of tree rings to answer ecological questions about the recent past) and come up with conclusions as to what possible

Big Bubbles
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How do you measure a bubble when it's floating? You can't really, but in this activity, learners can measure the diameter of the ring of suds a bubble leaves on a flat surface.

Medical Mystery
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This activity (on pages 15-23) combines interactive role-playing and graphing to introduce learners to the health affects of pollen.

The Four-Square Quilt
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In this activity, learners arrange triangles together to make patterns to create paper quilts. Learners experiment with arranging the triangles in different ways to make various designs.

Honeycomb Geometry
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In this activity, learners will build a honeycomb. Learners will investigate how the shape of the honeycomb develops. Activity includes step-by-step instructions and extension ideas.