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OpenStem
@openstem · Joined Jul 2026
7420 public items8 groups
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Chemistry · L1 · Salt on an Icy Sidewalk
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Chemistry · L1 · Salt on an Icy SidewalkFlowchart7 objects
Chemistry · L1 · Milk Meets Vinegar
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Chemistry · L1 · Milk Meets VinegarFlowchart7 objects
Chemistry · L1 · Mixture or Solution?
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Chemistry · L1 · Mixture or Solution?Flowchart6 objects
Chemistry · L1 · Shaking Salad Dressing
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Chemistry · L1 · Shaking Salad DressingFlowchart5 objects
Chemistry · L1 · Separating Marker Colors With Water
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Chemistry · L1 · Separating Marker Colors With WaterFlowchart7 objects
Chemistry · L1 · Heating and Cooling Water
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Chemistry · L1 · Heating and Cooling WaterFlowchart13 objects
Chemistry · L2 · The Periodic Table — Big Picture
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Chemistry · L2 · The Periodic Table — Big PictureFlowchart13 objects
Chemistry · L2 · Physical vs Chemical Change
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Chemistry · L2 · Physical vs Chemical ChangeFlowchart9 objects
Chemistry · L2 · Anatomy of a Word Equation
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Chemistry · L2 · Anatomy of a Word EquationFlowchart13 objects
Chemistry · L2 · Groups of the Periodic Table
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Chemistry · L2 · Groups of the Periodic TableFlowchart19 objects
Chemistry · L2 · Groups, Periods, and the Transition Metals
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Chemistry · L2 · Groups, Periods, and the Transition MetalsFlowchart13 objects
Chemistry · L2 · The pH Scale, 0 to 14
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Chemistry · L2 · The pH Scale, 0 to 14Flowchart7 objects
Chemistry · L2 · Conservation of Mass
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Chemistry · L2 · Conservation of MassFlowchart7 objects
Chemistry · L2 · How Filtration Works
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Chemistry · L2 · How Filtration WorksFlowchart11 objects
Chemistry · L2 · How Distillation Works
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Chemistry · L2 · How Distillation WorksFlowchart13 objects
Chemistry · L2 · Protecting Reactive Metals
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Chemistry · L2 · Protecting Reactive MetalsFlowchart13 objects
Chemistry · L2 · The Rules for Chemical Symbols
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Chemistry · L2 · The Rules for Chemical SymbolsFlowchart12 objects
Chemistry · L2 · Reading the Formula H2O
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Chemistry · L2 · Reading the Formula H2OFlowchart11 objects
Chemistry · L2 · How a Solution Forms
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Chemistry · L2 · How a Solution FormsFlowchart9 objects
Chemistry · L2 · Temperature and Dissolving
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Chemistry · L2 · Temperature and DissolvingFlowchart15 objects
Chemistry · L2 · The Fire Triangle
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Chemistry · L2 · The Fire TriangleFlowchart10 objects
Chemistry · L2 · How Extinguishers Put Out Fires
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Chemistry · L2 · How Extinguishers Put Out FiresFlowchart11 objects
Chemistry · L2 · Why Objects Float or Sink
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Chemistry · L2 · Why Objects Float or SinkFlowchart13 objects
Chemistry · L2 · Everyday Density Comparisons
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Chemistry · L2 · Everyday Density ComparisonsFlowchart11 objects
Chemistry · L2 · How to Grow a Crystal
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Chemistry · L2 · How to Grow a CrystalFlowchart9 objects
Chemistry · L2 · Crystallization as a Separation Technique
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Chemistry · L2 · Crystallization as a Separation TechniqueFlowchart13 objects
Chemistry · L2 · What's in the Air?
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Chemistry · L2 · What's in the Air?Flowchart9 objects
Chemistry · L2 · Testing for Oxygen and Carbon Dioxide
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Chemistry · L2 · Testing for Oxygen and Carbon DioxideFlowchart9 objects
Chemistry · L2 · How a Polymer Forms
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Chemistry · L2 · How a Polymer Forms