3D simulationVery High
Molecular Geometry 3D Explorer
Predict and inspect molecular shapes from electron groups and lone pairs.
Search topicmolecular geometry simulator 3D
Open simulation →← Subjects
Chemistry
Change conditions and see matter respond.
Connect molecular structure, bonding, concentration, pH, and reaction conditions with interactive particle and laboratory models.
Grades 8–1212 interactive labs4 core concept groups
MoleculesBondingReactionsSolutions
Learning objectives
- ✓Relate molecular structure to observable properties
- ✓Use quantitative evidence to reason about reactions and solutions
- ✓Connect particle-level models with laboratory measurements
Inquiry question
How does changing matter at the particle level change what we measure?Use this question to guide observations across the subject.
Build first · SEO priority
High-opportunity learning experiences
These labs are surfaced first because their topic is especially well suited to an interactive explanation and focused search intent.
SimulationVery High
Solubility Curve Simulator
Read and manipulate solubility curves to predict saturation and crystal formation.
Search topicsolubility curve simulator
Open simulation →Complete lab collection
12 ways to practice the subject.
Use the guided foundational labs first, then move into focused simulations, games, and 3D explorers.
Lab 01 · Matter lab
Gas Law Lab
Learning outcomePredict pressure and volume changes using the ideal gas relationship.
Pressure · volume · temperature · moles
Beginner5–10 min
Start lab →Lab 02 · Kinetics lab
Reaction Rate Lab
Learning outcomeExplain how temperature and concentration influence reaction speed.
Temperature · activation energy · concentration · half-life
Intermediate7–12 min
Start lab →Lab 03 · 3D simulation
PriorityMolecular Geometry 3D Explorer
Learning outcomePredict and inspect molecular shapes from electron groups and lone pairs.
VSEPR · bond angles · lone pairs · molecular shape
SEO topicmolecular geometry simulator 3D
Intermediate7–12 minVery High
Start lab →Lab 04 · 3D game
Molecule Builder 3D
Learning outcomeBuild stable molecules by satisfying common valence and bonding patterns.
Atoms · valence · bonds · molecular models
SEO topicbuild molecules game
Beginner8–15 minHigh
Start lab →Lab 05 · Game
Chemical Bonding Challenge
Learning outcomeClassify and construct bonds from valence electrons and electronegativity differences.
Ionic · covalent · electronegativity · valence electrons
SEO topicchemical bonding game
Intermediate7–12 minHigh
Start lab →Lab 06 · Simulation
Acid–Base & pH Simulator
Learning outcomeRelate hydrogen-ion concentration to pH and acid–base strength.
pH · H⁺ · OH⁻ · strong and weak acids
SEO topicpH simulator acids bases
Intermediate7–12 minVery High
Start lab →Lab 07 · Interactive simulation
Titration Simulator
Learning outcomeDetermine an unknown concentration from titration volume and stoichiometry.
Equivalence point · indicator · concentration · neutralization
SEO topicacid base titration simulator
Advanced10–18 minVery High
Start lab →Lab 08 · 3D simulation
States of Matter 3D Lab
Learning outcomeCompare particle motion and spacing in solids, liquids, and gases.
Particles · phase change · temperature · pressure
SEO topicstates of matter particle simulator
Beginner6–10 minHigh
Start lab →Lab 09 · Simulation
PrioritySolubility Curve Simulator
Learning outcomeRead and manipulate solubility curves to predict saturation and crystal formation.
Solubility · temperature · saturation · crystallization
SEO topicsolubility curve simulator
Intermediate7–12 minVery High
Start lab →Lab 10 · Chemistry game
Limiting Reagent Challenge
Learning outcomeIdentify the limiting reactant and predict product yield from mole ratios.
Stoichiometry · mole ratios · excess reagent · yield
SEO topiclimiting reagent game
Advanced8–15 minVery High
Start lab →Lab 11 · Chemistry game
Balance the Equation
Learning outcomeBalance reaction equations while preserving the number of each atom.
Conservation of mass · coefficients · atoms · reactions
SEO topicbalancing chemical equations game
Beginner5–10 minMedium
Start lab →Lab 12 · Game
Periodic Table Element Hunt
Learning outcomeLocate elements from clues about groups, periods, and atomic properties.
Groups · periods · atomic number · element properties
SEO topicperiodic table element game
Beginner6–10 minMedium
Start lab →Study strategy