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@openstem · Joined Jul 2026
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FlowchartChemistry

Chemistry · L1 · Salt on an Icy Sidewalk

Chemistry · L1 · Salt on an Icy Sidewalk
FlowchartChemistry

Chemistry · L1 · Milk Meets Vinegar

Chemistry · L1 · Milk Meets Vinegar
FlowchartChemistry

Chemistry · L1 · Mixture or Solution?

Chemistry · L1 · Mixture or Solution?
FlowchartChemistry

Chemistry · L1 · Shaking Salad Dressing

Chemistry · L1 · Shaking Salad Dressing
FlowchartChemistry

Chemistry · L1 · Separating Marker Colors With Water

Chemistry · L1 · Separating Marker Colors With Water
FlowchartChemistry

Chemistry · L1 · Heating and Cooling Water

Chemistry · L1 · Heating and Cooling Water
FlowchartChemistry

Chemistry · L2 · The Periodic Table — Big Picture

Chemistry · L2 · The Periodic Table — Big Picture
FlowchartChemistry

Chemistry · L2 · Physical vs Chemical Change

Chemistry · L2 · Physical vs Chemical Change
FlowchartChemistry

Chemistry · L2 · Anatomy of a Word Equation

Chemistry · L2 · Anatomy of a Word Equation
FlowchartChemistry

Chemistry · L2 · Groups of the Periodic Table

Chemistry · L2 · Groups of the Periodic Table
FlowchartChemistry

Chemistry · L2 · Groups, Periods, and the Transition Metals

Chemistry · L2 · Groups, Periods, and the Transition Metals
FlowchartChemistry

Chemistry · L2 · The pH Scale, 0 to 14

Chemistry · L2 · The pH Scale, 0 to 14
FlowchartChemistry

Chemistry · L2 · Why pH Matters

Chemistry · L2 · Why pH Matters
FlowchartChemistry

Chemistry · L2 · Conservation of Mass

Chemistry · L2 · Conservation of Mass
FlowchartChemistry

Chemistry · L2 · How Filtration Works

Chemistry · L2 · How Filtration Works
FlowchartChemistry

Chemistry · L2 · How Distillation Works

Chemistry · L2 · How Distillation Works
FlowchartChemistry

Chemistry · L2 · Protecting Reactive Metals

Chemistry · L2 · Protecting Reactive Metals
FlowchartChemistry

Chemistry · L2 · The Rules for Chemical Symbols

Chemistry · L2 · The Rules for Chemical Symbols
FlowchartChemistry

Chemistry · L2 · Reading the Formula H2O

Chemistry · L2 · Reading the Formula H2O
FlowchartChemistry

Chemistry · L2 · How a Solution Forms

Chemistry · L2 · How a Solution Forms
FlowchartChemistry

Chemistry · L2 · Temperature and Dissolving

Chemistry · L2 · Temperature and Dissolving
FlowchartChemistry

Chemistry · L2 · The Fire Triangle

Chemistry · L2 · The Fire Triangle
FlowchartChemistry

Chemistry · L2 · How Extinguishers Put Out Fires

Chemistry · L2 · How Extinguishers Put Out Fires
FlowchartChemistry

Chemistry · L2 · Why Objects Float or Sink

Chemistry · L2 · Why Objects Float or Sink
FlowchartChemistry

Chemistry · L2 · Everyday Density Comparisons

Chemistry · L2 · Everyday Density Comparisons
FlowchartChemistry

Chemistry · L2 · How to Grow a Crystal

Chemistry · L2 · How to Grow a Crystal
FlowchartChemistry

Chemistry · L2 · Crystallization as a Separation Technique

Chemistry · L2 · Crystallization as a Separation Technique
FlowchartChemistry

Chemistry · L2 · What's in the Air?

Chemistry · L2 · What's in the Air?
FlowchartChemistry

Chemistry · L2 · Testing for Oxygen and Carbon Dioxide

Chemistry · L2 · Testing for Oxygen and Carbon Dioxide
FlowchartChemistry

Chemistry · L2 · How a Polymer Forms

Chemistry · L2 · How a Polymer Forms

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