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In this three-part activity, learners use food to determine the effects of wind, sandblasting and water on regolith (dust) formation and deposition on Earth.

$1 - $5 per student Ages 8 - 18 45 to 60 minutes
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In this outdoor, windy day activity, learners "fly" and race leaves along a line to discover which types of leaves catch the most wind. Which leaves are the best fliers? Why?

$1 - $5 per group Ages 6 - 14 45 to 60 minutes
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In this sunny day, outdoor activity, learners observe changes in shadows over time. The activity also helps to develop a sense of the Earth's motion.

$1 - $5 per group Ages 4 - 18 45 to 60 minutes
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In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this outdoor activity, learners become beachcombers as they walk on a sandy beach in search of evidence of life.

$1 - $5 per group Ages 4 - 14 45 to 60 minutes
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In this outdoor water activity, learners explore evaporation by painting with water and tracing puddles. Learners will discover that wet things become dry as the water evaporates.

$1 - $5 per group Ages 4 - 6 45 to 60 minutes
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Some aquatic organisms live in open water, while some live in soil at the bottom of a body of water.

$1 - $5 per group Ages 6 - adult 30 to 45 minutes
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In this indoor or outdoor water activity, learners pour water from small cups to large cups and containers. In doing so, they discover water takes the shape of its container.

$1 - $5 per group Ages 4 - 6 30 to 45 minutes
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In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this outdoor water activity, learners explore how to change the direction of water flow. Learners make puddles in dirt or use existing puddles and sticks to make water flow.

$1 - $5 per group Ages 4 - 6 45 to 60 minutes
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In this activity, learners investigate wind by comparing the force of wind in different locations. Learners build wind-o-meters out of wooden sticks and strips of paper.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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Learners follow a three-step process to start their own rock collection.

$1 - $5 per student Ages 8 - 14 1 to 7 days
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In this activity, learners use cheap, thin plastic garbage bags to quickly build a solar hot air balloon. In doing so, learners will explore why hot air rises.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this collecting/comparing activity, learners work with samples of sand from different places like a lakefront, river, or ocean beach.

$1 - $5 per group Ages 4 - 14 30 to 45 minutes
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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.

$1 - $5 per student Ages 11 - 18 1 to 7 days
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In this activity, learners investigate and compare the rate of drying in different conditions.

$1 - $5 per group Ages 6 - 11 30 to 45 minutes
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In this activity, learners use tonic water to detect ultraviolet (UV) light from the Sun and explore the concept of fluorescence.

$1 - $5 per group Ages 6 - adult 5 to 10 minutes
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Learners construct one or more of the following kinds of sundials: a shadow plot, a horizontal sundial, and a diptych sundial.

$1 - $5 per student Ages 11 - 14 1 to 7 days
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In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, young learners will make their own flower seed nursery in an egg carton.

$1 - $5 per group Ages 4 - adult 1 to 4 weeks