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Veggies with Vigor
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In this activity, learners try to revive wilted celery. Learners discover that plants wilt when their cells lose water through evaporation. Use this activity to introduce capillary action.

Dissolving Different Liquids in Water
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In this activity, learners add different liquids to water and apply their working definition of “dissolving” to their observations.

Avi's Sensational Salt Dough
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In this activity on page 5 of the PDF, learners mimic the process for making bricks. Learners shape and bake creations from a dough that is made from flour, salt, and water.

Playtime Paint
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In this activity on page 9 of the PDF, learners make their own paint using chalk as a pigment and glue and water as binders. This activity introduces learners to special mixtures called suspensions.

Change in Temperature: Endothermic Reaction
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Learners investigate signs of a chemical reaction when they mix vinegar and baking soda. In addition to a gas being produced, learners also notice the temperature decreases.

Temperature Affects the Solubility of Gases
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In this activity, learners heat and cool carbonated water to find out whether temperature has an effect on how fast the dissolved gas leaves carbonated water.

Upside-Down Town
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In this activity, learners explore ray optics. Learners discover that they can use a magnifying glass to create an upside-down image.

Fantastic Plastic
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In this activity, learners investigate the properties of plastic bags. Learners find out what happens when they slowly push a pencil through a plastic bag filled with water.

Stained Glass Glue
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In this activity on page 6 of the PDF, learners use glue instead of glass to create artwork that can be hung in a window.

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.

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.

Wax 'n Wash
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In this activity, learners create secret messages using a candle. Learners discover that watercolor paint is attracted to some materials, like paper fibers, but not others, like oil.

Dissolving a Substance in Different Liquids
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In this activity, learners make colored sugar and add it to water, alcohol, and oil to discover some interesting differences in dissolving.

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.

Milli's Insulation Investigation
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In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.

Paint a Fresco
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In this activity on page 7 of the PDF, learners experiment with the interesting designs that can be made by painting on plaster.

Comparing the Amount of Acid in Different Solutions
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In this activity, learners use detergent solution to compare two solutions containing vinegar and cream of tartar.

Temperature Affects Dissolving
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Learners design their own experiment to compare how well cocoa mix dissolves in cold and hot water. They will see that cocoa mix dissolves much better in hot water. Adult supervision recommended.

Apples with Appeal
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In this activity, learners investigate why apples turn brown. Learners discover that lemon juice interferes with the reaction that causes the browning.

A Closer Look at Crystals
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In this activity, learners compare different types of salt crystals under a magnifying glass.