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Simulations for this Lesson
Modeling Smell
Equilibrium
Methane Cycle
Conduction in Solids Instructional Video
Salt and Ice Investigation
Lewis Structures
Chemical Formulas
Compounds in Food
Elements & Compounds
Comparing Atoms and Ions
Ingredients in Electrolyte Drinks
Salts Dissolving in Water
Observe: Vanilla Products
Tea around the World
Exploring Syrups
Magnesium and HCl
Sodium in Water Video
Ionic Compounds Builder
Tea and Temperature
White Powders Investigation
Greenhouse Gases
Balancing Chemical Reactions
Ratios in Chemical Reactions
Table Salt Composition
Salt around the World
Ions and Charges
Chlorine & Electronegativity
Mixing & Polarity
Flavor Compounds in Vanilla
Tea and Energy
Maple Syrup Video
Exploring Gases
Types of Fuel
Ammonia & Stoichiometry
Acids Exploration (Preview)
Desalination Model
Cathode Ray Experiment
Landfill Data Investigation
Elements & Chemical Formulas
Ionization Energy
Electrolyte Drink Analysis
Periodic Table (Charges, Valence Electrons)
Particles and pH
Vanilla & Gas Chromatograms
Heating a Liquid
Exploring Cheeses
Covalent Bonds
Umami & MSG (Video)
Comparing Gases & Liquids
Exploring Cacao
Energy and Fuels
How is Tea Made?
Anthocyanins & Equilibrium
Salt Composition Analysis
Sodium in Nature
Periodic Table Trends
Exploring Bond Types
Acids in Water
Water's Heating Curve
Exploring Steaming
Molecules in Milk
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Summary of Updates
V3 Updates
● Grew from 7 to 9 lessons; old numbers shifted
● Two new chemical-formula lessons (1.6, 1.8)
● Density Lab (1.3) reframed and moved later
● Exit Tickets built in; 1.9 expanded (Cherry Cola Distillation, Dead Sea Lab Practical)
V3 Updates
● New lessons include:
1.6 — What is table salt made of and why?
1.8 — Why does a chemical formula matter?
Both focus on chemical formulas, which the old unit barely touched.
● Lesson numbers shifted- Old lesson numbers may no longer point to the same content.
Key conceptual changes
● Concentration/Density Lab (new 1.3): reframed so the lab drives the question — students measure density and use it as evidence that salt is present even when they can't see it. The activity has been simplified a bit from last year, and the lesson sits later in the sequence so students build up basic lab skills and math/graphing first.
● Evaporation (new 1.4): sharpened around three connected ideas — temperature, states of matter, and particle models.
● Chemical formulas (new 1.6 & 1.8): a new two-lesson arc — first NaCl's 1:1 ratio, then subscripts and non-1:1 ratios (H₂O vs H₂O₂).
● Exit Tickets are now built in: quick formative checks at key points (Density and Concentration, Representing Gas/Liquid/Solid, Chemical Formulas)
● Assessment (1.9) is expanded: now includes a distillation application (Cherry Cola Distillation) and a Lab Practical ("What is the concentration of the Dead Sea?") where students apply the density/concentration method to a real sample.
● New investigations & activities: a Desalination warm-up (1.5), and in the new chemical-formula lessons, hands-on investigations — Ice Melt (calcium chloride vs. sodium chloride) and Hydrogen Peroxide vs. Water (1.8). Modeling is also now an explicit, tracked sequence — Model 1 in 1.2 and Model 2 in 1.4 — rather than scattered steps across lessons.