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Leaves: Extracting Pigments
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In this fun, hands-on autumn activity, learners experiment to discover whether the colored substances in leaves can be separated from the leaves.
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Instant Ice Cream
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In this activity, learners make instant ice cream without using a freezer.
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Aluminum-Air Battery: Foiled again!
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Construct a simple battery that's able to power a small light or motor out of foil, salt water, and charcoal. A helpful video, produced by the Exploratorium, guides you along on this activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-891.jpg?itok=31quqjzG)
Orange Pop
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In this activity, learners surprisingly pop balloons without touching them using orange peels. This Mr.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-314.jpg?itok=5Pcs7Kc-)
Hidden Color Chemistry
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In this activity, learners will discover what colors are in different markers, and may be surprised at the results.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-932.jpg?itok=0l389QS-)
Bouncy Egg
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In this activity, learners explore how acids can dissolve eggshells leaving behind a membrane-covered bouncy egg.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-687.gif?itok=-IlP51lW)
Chemical Change
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In this chemistry activity, learners explore the amount of copper in a new penny. Learners use toilet bowl cleaner to hollow out the interior of a penny with zinc inside.
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Forgotten Genius
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This series of chemistry stations is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Each of the six stations features either a chemical or p
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Create Gas
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Learners mix vinegar and baking soda together in a bottle to create a chemical reaction. The reaction produces a gas, carbon dioxide, which inflates a balloon attached to the mouth of the bottle.
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Five-Layer Density Column
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In this activity, learners can create five-layer density columns by employing one of three (or all) methods.
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What Smart Metal!
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In this activity (pages 3-4), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
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The Carbon Cycle and its Role in Climate Change: Activity 3
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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.
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How Big is Small
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In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water.
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Transformation of E. coli Using Green Fluorescent Protein
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In this activity related to plant biotechnology, learners transform a strain of E. coli using green fluorescent protein from a bioluminescent jellies.
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Lima Bean Bacteria DNA Extraction
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This laboratory exercise is designed to show learners how DNA can easily be extracted from lima bean bacteria. This experiment requires the use of a centrifuge (not included in cost of materials).
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DNA Detective
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This activity is about collecting and analyzing DNA as part of a criminal investigation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-248.jpg?itok=fpoHYs9s)
Rocket Reactions
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The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-644.gif?itok=J61CQNH-)
The Game of Life: Stem Cell Edition
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In this activity, learners play a game that models what happens as stem cells differentiate into different cell types.
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Shell Shifts
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Ocean acidification is a big issue due to the amount of carbon dioxide humans release. CO2 in the atmosphere is absorbed into the ocean thus changing its acidity.
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Amazon Water Cycle Roleplay
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In this creative roleplay activity, learners will explore the various processes of the water cycle using movement, sound, and props to aid in comprehension.