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In this activity, learners turn empty 2-liter bottles into a see-through compost container.

$1 - $5 per student Ages 4 - 14 1 to 12 months
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In this activity (on pages 22-24 of the PDF), learners match extreme enviroments with life forms they support.

1 cent - $1 per group Ages 4 - 14 45 to 60 minutes
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In this activity, learners examine the properties of different seaweeds, investigate what happens when powdered seaweed (alginate) is added to water, and learn about food products made with seaweed.

$5 - $10 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners will collect, dry and press seaweed over the course of four days in a similar way that artists/crafters press flowers.

1 cent - $1 per student Ages 4 - 14 1 to 7 days