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Geometry and Spatial Relations: Sidewalk Capers
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In this math lesson, learners use a variety of manipulatives to explore spatial relationships of squares and their transformations.

Building Tetrahedral Kites
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Working in teams of four, learners build tetrahedral kites following specific instructions and using specific materials.

Hold a Hill
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In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.

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°.

Bean Bugs
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In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.

Do Your Own Dig
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In this outdoor archaeology activity, learners use mathematical skills and scientific inquiry to generate and process information from their own excavation site.

Construction and Destruction
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In this three/four-day lesson, learners calculate perimeters and areas and draw the castle plan to scale.
Hexagon Hunt
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This activity gets learners looking at 6-sided shapes in nature, including the cells of a beehive, as well as other shapes.

My Angle on Cooling: Effects of Distance and Inclination
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In this activity, learners discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced.

Kites
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This activity (on page 2 of the PDF under SciGirls Activity: Kites) is a full inquiry investigation into how a kite’s shape affects its performance.
What Causes Rainbows?
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In this activity, learners explore how and why rainbows form by creating rainbows in a variety of ways using simple materials. Learners create rainbows indoors and outdoors.

The Shadow Knows II
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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

Why Does the Moon Have Phases?
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In this activity, learners use a simple 3D model to discover why the Moon has phases.

Blazing the Trail
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In this math lesson, learners estimate distances between landmarks and use a map and scales to determine the actual distances.

Straws and Airplanes
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Create airplanes from straws and geometric shapes. Test them out to see how far they can fly, or how accurately they can be aimed.

Family Scavenger Hunt
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In this activity, learners will take a walk with their family and incorporate a scavenger hunt. They will explore topics like ABC’s, numbers, colors, and shapes as they search for related items.

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.
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.

Strong Shapes
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Is a square stronger than a triangle? Use tongue depressors to build simple shapes. Then apply a little weight to them and see what happens!

Angle Hunting
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In this activity, learners use a hand-made protractor to measure angles they find in playground equipment.