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In this activity, learners cut out a fish and then "paint" it using universal indicator and acids and bases.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes