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OpenStem
@openstem · Joined Jul 2026
7420 public items8 groups
NoteChemistry
1 MIN READING
Chemistry · L1 · Sorting and Recycling Materials
Chemistry · L1 · Sorting and Recycling MaterialsNoteChemistry
2 MIN READING
Chemistry · L1 · Air, Breathing, and Gases
Chemistry · L1 · Air, Breathing, and GasesNoteChemistry
2 MIN READING
Chemistry · L1 · Fizzy Drinks and Dissolved Gas
Chemistry · L1 · Fizzy Drinks and Dissolved GasNoteChemistry
2 MIN READING
Chemistry · L1 · Growing Crystals at Home
Chemistry · L1 · Growing Crystals at HomeNoteChemistry
2 MIN READING
Chemistry · L1 · Why Bread and Cakes Rise
Chemistry · L1 · Why Bread and Cakes RiseNoteChemistry
2 MIN READING
Chemistry · L1 · Testing with Magnets
Chemistry · L1 · Testing with MagnetsNoteChemistry
2 MIN READING
Chemistry · L1 · Where Do Smells Come From?
Chemistry · L1 · Where Do Smells Come From?NoteChemistry
2 MIN READING
Chemistry · L1 · Weathering: Why Outdoor Metal Rusts
Chemistry · L1 · Weathering: Why Outdoor Metal RustsNoteChemistry
2 MIN READING
Chemistry · L1 · Why Salt Melts Icy Roads
Chemistry · L1 · Why Salt Melts Icy RoadsNoteChemistry
2 MIN READING
Chemistry · L1 · Secret Messages with Invisible Ink
Chemistry · L1 · Secret Messages with Invisible InkNoteChemistry
1 MIN READING
Chemistry · L1 · Why Food Colouring Spreads Through Water
Chemistry · L1 · Why Food Colouring Spreads Through WaterNoteChemistry
2 MIN READING
Chemistry · L1 · Why Helium Balloons Float Up
Chemistry · L1 · Why Helium Balloons Float UpNoteChemistry
1 MIN READING
Chemistry · L1 · Sour or Soapy? Acids and Bases in the Kitchen
Chemistry · L1 · Sour or Soapy? Acids and Bases in the KitchenNoteChemistry
1 MIN READING
Chemistry · L1 · Evaporation and Condensation
Chemistry · L1 · Evaporation and CondensationNoteChemistry
1 MIN READING
Chemistry · L1 · Why Salt Melts Sidewalk Ice Faster
Chemistry · L1 · Why Salt Melts Sidewalk Ice FasterNoteChemistry
1 MIN READING
Chemistry · L1 · Milk and Vinegar Curdling
Chemistry · L1 · Milk and Vinegar CurdlingNoteChemistry
1 MIN READING
Chemistry · L1 · Mixtures vs. Solutions
Chemistry · L1 · Mixtures vs. SolutionsNoteChemistry
1 MIN READING
Chemistry · L1 · Oil and Water Don't Mix
Chemistry · L1 · Oil and Water Don't MixNoteChemistry
1 MIN READING
Chemistry · L1 · Hidden Colors in a Black Marker
Chemistry · L1 · Hidden Colors in a Black MarkerNoteChemistry
1 MIN READING
Chemistry · L1 · Solid, Liquid, or Gas?
Chemistry · L1 · Solid, Liquid, or Gas?NoteChemistry
1 MIN READING
Chemistry · L2 · Periodic Table Basics
Chemistry · L2 · Periodic Table BasicsNoteChemistry
1 MIN READING
Chemistry · L2 · Chemical Reactions & Word Equations
Chemistry · L2 · Chemical Reactions & Word EquationsNoteChemistry
2 MIN READING