OS
OpenStem
@openstem · Joined Jul 2026
7420 public items8 groups
Flowchart9 objects
Chemistry · L2 · Alloys — Pure Iron vs Steel
@openstem
Chemistry · L2 · Alloys — Pure Iron vs SteelFlowchart15 objects
Chemistry · L2 · Natural vs Synthetic Polymers
@openstem
Chemistry · L2 · Natural vs Synthetic PolymersFlowchart25 objects
Chemistry · L2 · Hazard Symbol Categories
@openstem
Chemistry · L2 · Hazard Symbol CategoriesFlowchart17 objects
Chemistry · L2 · Basic Lab Safety Rules
@openstem
Chemistry · L2 · Basic Lab Safety RulesFlowchart15 objects
Chemistry · L2 · Exothermic vs Endothermic
@openstem
Chemistry · L2 · Exothermic vs EndothermicFlowchart11 objects
Chemistry · L2 · How to Detect an Energy Change
@openstem
Chemistry · L2 · How to Detect an Energy ChangeFlowchart9 objects
Chemistry · L2 · Naming a Salt from Its Acid
@openstem
Chemistry · L2 · Naming a Salt from Its AcidFlowchart13 objects
Chemistry · L2 · The Squeaky Pop Test for Hydrogen
@openstem
Chemistry · L2 · The Squeaky Pop Test for HydrogenFlowchart13 objects
Chemistry · L2 · The Four Gas Tests, Grouped
@openstem
Chemistry · L2 · The Four Gas Tests, GroupedFlowchart7 objects
Chemistry · L2 · Fermentation vs Aerobic Respiration
@openstem
Chemistry · L2 · Fermentation vs Aerobic RespirationFlowchart17 objects
Chemistry · L2 · Three Ways to Protect Big Metal Structures
@openstem
Chemistry · L2 · Three Ways to Protect Big Metal StructuresFlowchart10 objects
Chemistry · L2 · Evaporation vs Condensation on Your Skin
@openstem
Chemistry · L2 · Evaporation vs Condensation on Your SkinFlowchart7 objects
Chemistry · L2 · How a Storm Gets Its Energy
@openstem
Chemistry · L2 · How a Storm Gets Its EnergyFlowchart13 objects
Chemistry · L2 · Alloys — Two Copper Alloys
@openstem
Chemistry · L2 · Alloys — Two Copper AlloysFlowchart13 objects
Chemistry · L2 · Bond Energy Balance
@openstem
Chemistry · L2 · Bond Energy BalanceFlowchart11 objects
Chemistry · L2 · Making Red Cabbage Indicator at Home
@openstem
Chemistry · L2 · Making Red Cabbage Indicator at HomeFlowchart11 objects
Chemistry · L2 · Why Heating a Sealed Aerosol Can Is Dangerous
@openstem
Chemistry · L2 · Why Heating a Sealed Aerosol Can Is DangerousFlowchart17 objects
Chemistry · L2 · Comparing CO₂ Output From Different Fuels
@openstem
Chemistry · L2 · Comparing CO₂ Output From Different FuelsFlowchart15 objects
Chemistry · L2 · Why Carbon Monoxide Is Dangerous
@openstem
Chemistry · L2 · Why Carbon Monoxide Is DangerousFlowchart19 objects
Chemistry · L2 · Why Water Treatment Needs Four Steps
@openstem
Chemistry · L2 · Why Water Treatment Needs Four StepsFlowchart21 objects
Chemistry · L2 · Three Ways to Extract a Metal
@openstem
Chemistry · L2 · Three Ways to Extract a MetalFlowchart18 objects
Chemistry · L2 · From Fiber to Fabric Choice
@openstem
Chemistry · L2 · From Fiber to Fabric ChoiceFlowchart13 objects
Chemistry · L2 · Single-Use vs Rechargeable Batteries
@openstem
Chemistry · L2 · Single-Use vs Rechargeable BatteriesFlowchart10 objects
Chemistry · L2 · Photosynthesis vs Respiration and Combustion
@openstem
Chemistry · L2 · Photosynthesis vs Respiration and CombustionFlowchart10 objects
Chemistry · L2 · Curing Homemade Soap
@openstem
Chemistry · L2 · Curing Homemade SoapFlowchart16 objects
Chemistry · L2 · Comparing Food Preservation Methods
@openstem
Chemistry · L2 · Comparing Food Preservation MethodsFlowchart16 objects
Chemistry · L2 · Sweat Loss and Sports Drink Replacement
@openstem
Chemistry · L2 · Sweat Loss and Sports Drink ReplacementFlowchart15 objects
Chemistry · L3 · Structure of the Atom
@openstem
Chemistry · L3 · Structure of the AtomFlowchart14 objects
Chemistry · L3 · Sodium vs Chlorine — Shells and Groups
@openstem
Chemistry · L3 · Sodium vs Chlorine — Shells and GroupsFlowchart7 objects
Chemistry · L3 · Half-Life Decay Staircase
@openstem
Chemistry · L3 · Half-Life Decay Staircase