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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.
Comparing Crystals
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In this chemistry activity (page 3 of the PDF), learners will learn about crystals by growing their very own.
We all Scream for Ice Cream
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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.
Curious Crystals
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Learners carefully look at four known household crystals.
Let's Go Ice Fishing
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In this activity, learners are challenged to lift a floating ice cube out of a glass of water using just one end of a piece of string.
Crushing Test
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In this activity, learners design a crushing test and discover that identifying and controlling the variables may be difficult.
Make a Salt Volcano (Lava Lite)
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This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.
Build A Hydrometer
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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.