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It's a Gas!
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In this simple activity, learners see the production of a gas, which visibly fills up a balloon placed over the neck of a bottle.
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Water Wire: Electricity Flowing Through Water
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In this activity on page 10 of the PDF, learners detect the amount of energy that can flow through a sodium chloride electrolyte solution with a light sensor.
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Bubble Trouble
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In this activity on page 15 of the PDF, learners measure the amount of bubbles that they make using a detergent.
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What Counts in Bounce
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In this activity learners compare the bounciness of warm and cold racquetballs to see if temperature makes a difference in how well they bounce.
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Disappearing Statues
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In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.
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Water: Clearly Unique!
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In this activity on page 4 of the PDF (Water in Our World), learners conduct some quick and easy tests to determine the differences between water and other liquids that look very similar to water.
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Does Size Make a Difference?
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In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.
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New Sense about Cents
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In this activity on page 6 of the PDF (Chemistry—It’s Elemental), learners explore some of the properties of copper using a few common household ingredients.
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Paper Chromatography with Leaves
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In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.
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Polishing Pennies
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In this experiment, learners try different liquids to see which ones clean pennies best. Liquids to try include water, lemon juice, cola, vinegar, and dishwashing detergent.
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Making Recycled Paper
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In this activity on page 11 of the PDF, learners follow simple steps to recycle old newspaper into new paper.
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Another Bright Idea!
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In this activity on page 5 of the PDF, learners use their knowledge of energy and batteries to create homemade flashlights.
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Secret Goldenrod Messages
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In this activity, learners write invisible messages on goldenrod paper, and make the message appear and disappear using acids and bases.
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Spaghetti Strength
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In this activity on page 7 of the PDF, learners explore how engineers characterize building materials.
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Release the Grease!
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In this simple activity (on page 7 of the PDF), learners use water and liquid dish detergent to see which one removes lipstick better from an index card.
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Safe in the Sun
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In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.
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Special Effects Using Household Chemicals
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In this activity on page 4 of the PDF (Behind the Scenes with Chemistry), learners make some special effects, including snow and breaking glass, with supplies found in the home.
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Iodine Investigators!
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In this activity on page 7 of the PDF (Chemistry—It’s Elemental), learners use iodine to identify foods that contain starch.
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Exploring A Hydrogel
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In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers,
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Cleaning Water with Dirt
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In this activity on page 7 of the PDF (Water in Our World), learners make their own water treatment systems for cleaning water.