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Showing results 21 to 34 of 34
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Curious Crystals
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Learners carefully look at four known household crystals.
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Crystal Stencil Stars
Source Institutions
In this activity on page 6 of the PDF, learners dissolve Epsom salt in water and discover that the resulting solution can be used to create a work of art.
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.
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Sugar/Salt Crystals
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In this chemistry activity (page 1 of the PDF), learners will observe a physical change.
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Pickle Lab
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In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.
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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.
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Crystal Creations: Grow Spikes of Crystals in the Sun
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This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.
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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.
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Carrying Charges: Testing for Conductivity
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Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).
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Crystals: Grow Your Own Garden
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In this simple activity (on page 2 of the PDF), learners make a crystal garden using salt, water, and a brick.
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A Closer Look at Crystals
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In this activity, learners compare different types of salt crystals under a magnifying glass.
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Salt Painting
Source Institutions
In this art meets chemistry activity, early learners discover the almost magical absorbent properties of salt while creating ethereal watercolor paintings.
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.
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Causes and Effects of Melting Ice
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In this activity, learners explore the concept of density-driven currents (thermohaline circulation) and how these currents are affected by climate change.