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Life in the Sidewalk Cracks
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In this activity, learners compare plant and animal life in different habitats including a sidewalk crack and lawn. Learners sort human-made materials and natural materials found in each habitat.

PVC Water Squirter
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In this activity, learners build a water squirter using a PVC pipe, dowel, and foam. This activity is great for the summer time and introduces learners to forces and water pressure.

Lilliputian Landscaping
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In this activity, learners examine the different materials gardeners add to their soil, and discuss how these materials are important for plant growth.

Stepping Out: Hop, Skip, Jump
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In this activity, learners explore and experiment how we can use our bodies everyday to get from one place to another.

Hit the Spot!
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This is a hands-on activity about the physics of tennis. Learners will discover that physics plays a big part in tennis, no matter what their skill level might be.

Finding the Size of the Sun and Moon
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In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon.

The Self-Watering Terrarium
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In this biology/ecology activity, learners construct a terrarium out of a tennis ball container. This terrarium is unique because it never has to be watered.

Make Your Own Barometer
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In this weather activity (page 10 of the PDF), learners will demonstrate the changes in atmospheric pressure by constructing their own barometer.

Sunny Day Painting
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In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.

A Slice of Apple Fly
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In this activity, learners build an instrument for catching and observing flies. Learners act as entomologists, attract flies into a jar using a slice of apple, and then observe the flies' behavior.

Moon Watch Flip Book!
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In this activity, learners observe the moon each night for a month and draw their observations in a Moon Watch Log.

Population Study Game: Oh, Deer!
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In this activity, learners model a population of deer and see how the number of deer changes over time.

Bird Binoculars
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This is a tape and glue activity in which learners make binoculars that they can decorate and then use to go bird watching.
Sock Garden
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In this activity (located in the middle of the page), learners start a garden by planting their socks!

Colors in Nature
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In this activity, learners create colorful bead bracelets to wear outside while searching for matching colors in plants. Learners will be surprised by the variety of colors in nature.

Solar Cooker
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Learners build a simple solar oven from a shoebox, black construction paper, and aluminum foil. Over the course of a few hours, the oven heats up water enough to brew tea.

Parachuting Pinwheel
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Build a pinwheel that works without wind! This activity contains steps on how to build a parachuting pinwheel out of paper, a film canister, and some brads.

Plants Count
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In this activity, learners put on their naturalist hats and explore the world around them.

Identifying Erosion
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In this environmental science activity (page 3 of the PDF), leaners will identify and explain the causes of erosion.

Drying It Out
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In this activity, learners investigate and compare the rate of drying in different conditions.