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Two-String Yo-Yo
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Learners build a yo-yo using a piece of wood, PVC pipe, and string. In doing so, learners explore the force of gravity and angular momentum.
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Candy Chemistry
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In this experiment, learners test multiple food items to see if they are an acid or base using an indicator solution created with red cabbage.
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Invisible Investigations
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Using indirect observational methods, learners distinguish between charged and uncharged objects.
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Habitable Worlds
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In this group activity, learners consider environmental conditions—temperature, presence of water, atmosphere, sunlight, and chemical composition—on planets and moons in our solar system to determine
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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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Dancing Cereal
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In this quick activity (on page 2 of the PDF under GPS: Body Electricity Activity), learners will observe how dry breakfast cereal appears to dance when it gets close to a balloon charged with static
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Making Sodium Acetate: Hot Ice
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In this chemistry activity which should only be done under adult supervision (page 10 of the PDF), learners will create an exothermic process by making Sodium Acetate.
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Ancient Sun Observations
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In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.
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Benham’s Disk
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In this activity (on page 2 of the PDF under GPS: Light and Color Activity), learners will see the illusion of colors produced by a rotating black and white image known as Benham’s Disk.
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Super Soaking Materials
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In this activity, learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.
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Turbidity
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This is an activity about turbidity, or the amount of sediment suspended in water.
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Exploring Ultraviolet (UV) light from the Sun
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In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.
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Hot Stuff!: Investigation #3
Learners test two jars of ice water, one covered and one open, for changes in temperature. After placing the jars in the sun, learners discover that the covered jar cools down more slowly.
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Do Sweat It!
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In this activity, learners explore why humans sweat. Learners compare the effects of heat on a balloon filled with air and a balloon filled water.
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Challenge: Microgravity
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In this activity about the circulatory system and space travel (on page 38 of the PDF), learners use water balloons to simulate the effects of gravity and microgravity on fluid distribution in the bod
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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.
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Hoopster: An Airplane Made from Paper Hoops
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This activity provides instructions for making an aircraft that can really fly using a straw and paper hoops!
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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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Cardboard Automata
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Cardboard Automata are a playful way to explore simple machine elements while creating a mechanical sculpture.