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OpenStem
@openstem · Joined Jul 2026
7420 public items8 groups
QuizChemistry
5 QUESTIONS
Chemistry · L1 · Heating and Cooling in the Kitchen
Chemistry · L1 · Heating and Cooling in the KitchenQuizChemistry
5 QUESTIONS
Chemistry · L1 · Mixing in the Kitchen Quiz
Chemistry · L1 · Mixing in the Kitchen QuizQuizChemistry
5 QUESTIONS
Chemistry · L1 · Water, a Special Liquid
Chemistry · L1 · Water, a Special LiquidQuizChemistry
5 QUESTIONS
Chemistry · L1 · Natural and Human-made Materials
Chemistry · L1 · Natural and Human-made MaterialsQuizChemistry
5 QUESTIONS
Chemistry · L1 · Staying Safe with Chemicals
Chemistry · L1 · Staying Safe with ChemicalsQuizChemistry
5 QUESTIONS
Chemistry · L1 · Sorting and Recycling Materials
Chemistry · L1 · Sorting and Recycling MaterialsQuizChemistry
6 QUESTIONS
Chemistry · L1 · Air, Breathing, and Gases
Chemistry · L1 · Air, Breathing, and GasesQuizChemistry
6 QUESTIONS
Chemistry · L1 · Fizzy Drinks and Dissolved Gas
Chemistry · L1 · Fizzy Drinks and Dissolved GasQuizChemistry
5 QUESTIONS
Chemistry · L1 · Growing Crystals at Home
Chemistry · L1 · Growing Crystals at HomeQuizChemistry
6 QUESTIONS
Chemistry · L1 · Why Bread and Cakes Rise
Chemistry · L1 · Why Bread and Cakes RiseQuizChemistry
6 QUESTIONS
Chemistry · L1 · Where Do Smells Come From?
Chemistry · L1 · Where Do Smells Come From?QuizChemistry
5 QUESTIONS
Chemistry · L5 · Bioinorganic Metalloenzymes
Chemistry · L5 · Bioinorganic MetalloenzymesQuizChemistry
6 QUESTIONS
Chemistry · L1 · Weathering: Why Outdoor Metal Rusts
Chemistry · L1 · Weathering: Why Outdoor Metal RustsQuizChemistry
5 QUESTIONS
Chemistry · L1 · Why Salt Melts Icy Roads
Chemistry · L1 · Why Salt Melts Icy RoadsQuizChemistry
6 QUESTIONS
Chemistry · L1 · Secret Messages with Invisible Ink
Chemistry · L1 · Secret Messages with Invisible InkQuizChemistry
6 QUESTIONS
Chemistry · L1 · Why Food Colouring Spreads Through Water
Chemistry · L1 · Why Food Colouring Spreads Through WaterQuizChemistry
6 QUESTIONS
Chemistry · L1 · Why Helium Balloons Float Up
Chemistry · L1 · Why Helium Balloons Float UpQuizChemistry
5 QUESTIONS
Chemistry · L1 · Sour or Soapy? Acids and Bases in the Kitchen
Chemistry · L1 · Sour or Soapy? Acids and Bases in the KitchenQuizChemistry
5 QUESTIONS
Chemistry · L1 · Dissolving vs. Melting
Chemistry · L1 · Dissolving vs. MeltingQuizChemistry
5 QUESTIONS
Chemistry · L1 · Evaporation and Condensation
Chemistry · L1 · Evaporation and CondensationQuizChemistry
5 QUESTIONS
Chemistry · L1 · Why Salt Melts Sidewalk Ice Faster
Chemistry · L1 · Why Salt Melts Sidewalk Ice FasterQuizChemistry
5 QUESTIONS
Chemistry · L1 · Milk and Vinegar Curdling
Chemistry · L1 · Milk and Vinegar CurdlingQuizChemistry
5 QUESTIONS
Chemistry · L1 · Mixtures vs. Solutions
Chemistry · L1 · Mixtures vs. SolutionsQuizChemistry
5 QUESTIONS
Chemistry · L1 · Oil and Water Don't Mix
Chemistry · L1 · Oil and Water Don't MixQuizChemistry
5 QUESTIONS
Chemistry · L1 · Hidden Colors in a Black Marker
Chemistry · L1 · Hidden Colors in a Black MarkerQuizChemistry
5 QUESTIONS