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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°.

The Blindfolded Walk
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In this activity, learners work in teams to study the observation skills essential to scientific research.

Take a Hike!: A Family Forest Walk
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In this family or group inquiry activity, learners use their senses to explore a local forest or woodland.

Carbon Sequestration
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In this inquiry-based lesson, learners measure the biomass of trees, calculate the carbon stored by the trees, and use this information to create recommendations about using trees for carbon sequestra
Pace-Off!
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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 .

Counting With Quadrants
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Millions of organisms can live in and around a body of water.

Stride Ruler
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In this activity, learners use their feet to estimate distances. Learners calculate the distance of one step in centimeters by measuring 10 steps at a time to reduce measurement error.

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.
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.

Pedal Power
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In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

Gravity Fountains
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This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation into the forces of gravity and air pressure.

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.
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.

Weather and Climate: What's the Difference?
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This lesson plan enables learners to explore the differences between weather and climate.

Jump Like a Frog
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In this math activity, learners jump and measure how far they can jump on different surfaces using different jumping techniques.

Supersize That Dinosaur
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In this activity, learners explore the size and scale of dinosaurs. Learners listen to "The Littlest Dinosaurs" by Bernard Most. Then, learners estimate the size of a Triceratops and T.

Trash Traits
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In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

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.

Moon and Stars
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In this craft activity, learners create a string of cut-out moons and stars.

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.