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

Over $20 per group Ages 8 - 11 1 to 7 days
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This warm weather activity introduces learners to the impact trees have on blocking the sun's heat and reducing temperature on the Earth's surface.

1 cent - $1 per student Ages 4 - 14 2 to 4 hours
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Many people get water from a source deep underground, called groundwater.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners will make fish cutouts that propel through the water with the help of surface tension.

$5 - $10 per student Ages 6 - 11 10 to 30 minutes
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In this botany activity, learners will create an experiment about seed germination. This activity gives students an opportunity to explore how seeds germinate and react to surrounding conditions.

$1 - $5 per student Ages 8 - 11 1 to 7 days
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This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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This is an activity about turbidity, or the amount of sediment suspended in water.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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Glare from the sun and ripples from the wind can make it hard to see what's below the surface of a body of water.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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This is an activity (located on page 3 of PDF under Nasturtium Leaves Activity) about surface tension.

$5 - $10 per group Ages 8 - 14 1 to 2 hours