Explore our complete collection of physics, chemistry, and biology simulators. Find exactly what you need for your next lesson. Astrophysics & Cosmology Satellite Orbit Simulator Circular, Elliptical & Escape Velocity Kepler’s Third Law Simulator Planetary Orbits & Physics Lab Stellar Parallax Simulator Measuring Star Distances Electricity & Magnetism Potential Divider Simulator Voltage Divider Circuit Lab Ohm’s Law Grapher Interactive V-I Plotter & Circuit Lab Resistivity Simulator Explore Factors Affecting Resistance Internal Resistance Simulator EMF vs Terminal Voltage Lab Electromagnet Simulator Explore Current, Coils & Magnetic Strength Magnetic Field Simulator Bar Magnet & Iron Filings Lab Fleming’s Left-Hand Rule Simulator Interactive Motor Effect & Vector Physics Lab High Voltage Transmission Simulator Rectification & Smoothing Simulator Converting AC to DC with Diodes and Capacitors Electrostatic Balloon Simulator Friction, Induction & Polarization Coulomb’s Law Simulator Electric Force Calculator & Visualizer Electric Field Simulator Visualize Electrostatic Forces & Field Lines Right-Hand Grip Rule Simulator Magnetic Field of Wire & Solenoid DC Motor Simulator How Electric Motors Work Current Balance Simulator Measuring Magnetic Force F=BIL Charged Particle in Magnetic Field Simulator Lorentz Force & Radius Calculation Lenz’s Law Simulator Magnetic Induction & Braking Parallel Plate Capacitor Simulator Uniform Electric Field E=V/d Series vs Parallel Circuit Simulator Visualize Voltage, Current & Resistance AC Generator Simulator Visualize Electromagnetic Induction Transformer Simulator Step-Up & Step-Down Voltage Lab Hall Effect Simulator Exploring Lorentz Force & Charge Carriers Electricity Cost Calculator Watts, kWh & Bills Wind Power Formula Calculator Why P is Proportional to v Cubed(v^3) Work Done Calculator Calculate Energy Transfer W = Fs cos(theta) Roller Coaster Physics Energy Conservation Simulator Power Output Race Compare Engines & Calculate Work Galileo’s Inclined Plane Diluting Gravity & Vector Resolution Equations of Motion Calculator & Steps Explosion Momentum Lab Conservation of Momentum Simulator Circular Motion Simulator Velocity & Centripetal Acceleration Hooke’s Law Lab Investigating Elastic Limit & Plastic Deformation Free Fall & Air Resistance Feather vs. Hammer Experiment Newton’s 1st Law Simulator The Inertia Bus Experiment Newton’s 2nd Law Simulator Explore F=ma with Interactive Lab Banked Curve Physics Simulator Calculate Ideal Speed & Friction Gravitational Force Field Simulator Inverse Square Law Visualized Vector Addition Tool Interactive Head-to-Tail Method & Resolution Ticker Tape Timer Lab Analyze Motion & Acceleration Online Finding the Critical Angle & Coefficient of Friction Newton’s 3rd Law Simulator Action-Reaction & Momentum Free Body Diagram Creator Interactive Physics Tool for Exams Seesaw Balance Lab Understanding Moments & Torque Center of Gravity Finder Plumb Line Method Simulator Elastic Collision Simulator Momentum & Kinetic Energy Lab Inelastic Collision Simulator Calculate Energy Loss Distance vs. Displacement Scalar vs. Vector Physics Explained Motion Graph Converter From Displacement to Velocity & Acceleration Projectile Motion Simulator Trajectory, Range & Height Calculator Medical Physics Ultrasound A-Scan vs B-Scan Interactive Physics Simulator for Medical Imaging Nuclear & Particle Physics Electric vs Magnetic Deflection Simulator Particle Physics Lab Radiation Penetration Simulator Alpha, Beta, Gamma Physics Half-Life Simulation Radioactive Decay Graph & Formula Dice Decay Simulator Understanding Half-Life & Probability Background Radiation Simulator Correcting Count Rates Isotope Builder Simulator Build Atoms & Explore Stability Mass Defect Calculator E=mc² & Nuclear Energy Simulator Nuclear Fission Simulator Chain Reaction & Reactor Control Lab Nuclear Fusion Simulator Tokamak Temperature & Pressure Lab Rutherford Scattering Simulator Interactive Gold Foil Experiment & Atomic Physics Lab Photoelectric Effect Simulator Interactive Physics Lab for Stopping Potential & Work Function Bohr Model Simulator Interactive Hydrogen Spectrum & Energy Levels Lab Heisenberg Uncertainty Principle Simulator Visualizing Position vs Momentum Thermal & Fluid Physics Archimedes’ Buoyancy Lab Why Do Heavy Steel Ships Float? Fluid Pressure Simulator Understanding P = hρg and Dam Design Mastering Blackbody Radiation A Visual Guide to Temperature & Light Greenhouse Effect Simulator Global Warming Physics Explained Conduction Rate Simulator Heat Transfer in Metals Explained Convection Currents Simulator Density, Buoyancy & Heat Transfer Melting Curve Experiment Latent Heat & Phase Changes Visualized Evaporation Rate Factors Surface Area, Temperature & Humidity Simulator Boyle’s Law Lab Visualizing Pressure & Volume Relations Charles’s Law Lab Temperature, Volume & Absolute Zero Pressure Law Lab Understanding Gay-Lussac’s Law & Absolute Zero U-Value Calculator Interactive Building Insulation & Heat Loss Simulator Ideal Gas Law Simulator Visualizing PV=nRT Kinetic Theory Simulator Visualizing Pressure, Density & Molecular Speed Particle Motion Visualizer States of Matter & Kinetic Theory Thermometer Calibration Simulator Ice Point, Steam Point & The Celsius Scale Internal Energy Sandbox Kinetic vs Potential Energy Simulator Specific Heat Calculator The Physics of Mixing Liquids Heat Engine Simulator Carnot vs Otto Cycle & PV Diagrams Concave Mirror Simulator Ray Diagrams & Image Formation Sound Wave Visualizer Pitch & Loudness Simulator Doppler Effect Simulator Visualize Sound Wave Shift Convex Lens Lab Interactive Ray Tracing & Lens Formula Calculator EM Spectrum Explorer Visualizing Frequency, Energy & Radiation Hazards Convex Mirror Simulator Ray Diagrams & Virtual Images Concave Lens Simulator Ray Diagrams & Virtual Images Stationary Waves Simulator Harmonics on a String Resonance Tube Simulator Speed of Sound & Standing Waves Decibel Scale Simulator Noise Levels & Hearing Safety Transverse vs. Longitudinal Waves Particle Motion Simulator Wave Equation Simulator Connecting Speed, Frequency & Wavelength Superposition of Waves Simulator Constructive & Destructive Interference Ripple Tank Simulator Visualize Reflection, Refraction & Diffraction Young’s Double Slit Experiment Simulator Light Interference Patterns Diffraction Grating Lab Unlocking the Spectrum Plane Mirror Ray Tracing Simulator Virtual Image Physics Wave Reflection Simulator Plane, Concave & Convex Mirrors Refraction & Snell’s Law Simulator Visualize Light Bending Total Internal Reflection Simulator Critical Angle & Fiber Optics Single Slit Diffraction Simulator Visualize Light Waves & Interference Strong vs Weak Acids Dissociation, pH, and Conductivity Explained Acid-Base Indicators The Chameleons of Chemistry Salt Preparation Guide Titration, Precipitation & Excess Reagent Titration Simulator Mastering pH Curves & Indicators Neutralization Solver Calculating Concentrations & Titration Curves Convert [H+] to pH Instantly Salt Preparation Strategist Titration, Precipitation & Excess Reagent Flowchart Analytical Chemistry Qualitative Analysis Simulator Cation Identification & Precipitate Colors Mass Spec Fragmenter Identifying m/z Peaks & Molecular Structure Spectroscopy Detective Solving Molecular Structures with IR, MS & NMR Colorimetry Simulator Beer-Lambert Law & Calibration Curves Chromatography Lab Simulator Rf Values, Polarity & Separation Separation Techniques Mastering Distillation & Separating Funnels Redox Titration Simulator KMnO4 & Iodine Color Changes Organic Chemical Tests Simulator Distinguish Functional Groups & Reagents The Gas Detective Identifying Common Laboratory Gases Halide Detective The Silver Nitrate Test Explained Testing for Water Chemical vs Physical Tests How to Separate Sea Water Filtration, Distillation & Crystallization Atomic Structure & Periodicity Electronic Arrangement Builder Visualizing Atomic Structure Isotope Visualizer Understanding Protons, Neutrons & RAM Chemical Bonding & Structure Intermolecular Forces Visualizer London Forces, Dipoles & Hydrogen Bonds Polarity Checker Dipoles, Electronegativity & Solubility VSEPR Shape Explorer Mastering Molecular Geometry & Bond Angles Metallic Bonding Simulator The Electron Sea Model Explained Covalent Bond Sharer Visualizing Electron Sharing & Octets Ionic Bond Animator Electron Transfer & Lattice Formation Carbon Allotrope Gallery 3D Visualization of Diamond, Graphite & Fullerenes Hydrogen Bonding Visualizer Why Does Ice Float? Visualizing Hydrogen Bonding in Water Giant vs. Simple Structures Visualizing Chemical Bonding Chemical Calculations & Stoichiometry Atom Economy Calculator Measuring Green Chemistry Efficiency Percentage Yield Calculator Theoretical vs Actual Yield Limiting Reagent Calculator Identify the Bottle-Neck in Your Reaction Stoichiometry Calculator Mass-to-Mass Conversions Made Easy Empirical Formula Calculator From Mass to Mole Ratio The Mole Calculator Mass, Moles & Particles Converter Molarity Dilution Calculator Mastering M1V1 = M2V2 Relative Atomic Mass Calculator Isotopes & Weighted Averages Formula Mass Calculator Mastering Chemical Weights Chemical Equilibrium Equilibrium Constant Calculator Master Kc Expressions and Units Le Chatelier’s Principle Simulator Visualizing Equilibrium Shifts Equilibrium Concentration Solver Mastering ICE Tables & Kc Calculations Chemical Kinetics Chemical Kinetics Graph Plotter Analyzing Reaction Order (Zero, First, Second) Rate of Reaction Lab Simulator Investigate Temperature, Conc, and Surface Area Maxwell-Boltzmann Distribution Simulator Visualizing Activation Energy (Ea) & Temperature Collision Theory Animator Visualizing Frequency, Orientation, and Activation Energy

Catalyst Profile Explorer Energy Profiles, Boltzmann & Mechanisms Arrhenius Plotter Calculate Activation Energy & Rate Constant Rate Equation Finder Determine Reaction Orders & Rate Constant (k) Electrochemistry & Redox Iron Rusting Investigator The Conditions for Corrosion Oxidation Number Calculator Mastering Redox Reactions Hydrogen Fuel Cell Animator Visualizing the Future of Clean Energy Electroplating Lab Simulator Faraday’s Laws & Electrolysis Applications Electrolysis Predictor Mastering Preferential Discharge & Electrode Equations Building a Simple Chemical Cell Voltage, Reactivity & Electron Flow Cell Voltage Predictor Calculating E°cell & Electrochemical Series Corrosion & Rust Protection Simulator Sacrificial Anode vs Impressed Current Foundations of Chemistry Visual Guide for Element, Compound, Mixture Element, Compound, or Mixture? A Complete Visual Guide Physical vs. Chemical Changes How to Spot the Difference Industrial Chemistry The Haber Process Balancing Yield, Rate & Cost in Ammonia Production Methanol Synthesis Simulator Yield, Rate & Compromise Conditions Chloroalkali Cell Viewer Mercury vs Membrane Electrolysis Fractional Distillation illustrator (Liquid Air Version) How is Air Separated? Fractional Distillation of Liquid Air Lab Skills & Safety Error Analysis Calculator Accuracy, Precision & Uncertainty Lab Safety Label and Hazard Quiz Lab Safety Label and Hazard Quiz Significant Figures Calculator & Practice Trainer Significant Figures Calculator & Practice Trainer Mastering the Bunsen Burner & Flame Test A Virtual Guide Metals & Reactivity Reactivity Series Simulator Displacement Reactions & Metal Reactivity Displacement Reaction Predictor & Reactivity Series Interactive Tool Displacement Reaction Predictor & Reactivity Series Interactive Tool Organic Chemistry Mastering Structural Isomerism with IUPAC Naming IUPAC Naming Drill Master Organic Chemistry Nomenclature Addition Polymerization Maker Visualize Monomers Joining into Polymers Cracking Simulator Turning Heavy Oil into Petrol & Plastics Fractional Distillation Animator How We Separate Crude Oil Polymer Structure Decoder Monomer to Polymer Visualization (Addition & Condensation) Advanced Isomer Generator (3D) Structural, Cis-Trans & Enantiomers Visualization Reagent Master Quiz Organic Chemistry Reagents & Conditions Organic Chemistry Reaction Map Visualizing Aliphatic Synthesis Pathways Detergent Action Simulator Micelle Formation & Cleaning Mechanism Aspirin Synthesis Lab Reaction, Yield Calculation & Purity Test Organic Synthesis Map Mastering Reaction Pathways & Reagents Functional Group Spotter Identify Homologous Series & Structures Free Radical Substitution Mechanism Animator Free Radical Substitution Mechanism Animator Periodic Table & Periodicity Transition Metal Ions Gallery Observe The Color Changes of Solutions Oxide Properties Table Period 3 & 4 Trends, Acidity & pH Periodic Trend Grapher Atomic Radius, Ionization Energy & Melting Point Interactive Periodic Table Visualizing Trends & Patterns States of Matter & Materials Liquid Crystals Explained From Solid to Smectic, Nematic & Liquid Phases Polymer Properties Structure, Bonding & The Future of Plastics Unit Cell Viewer Interactive 3D Crystal Lattices (SC, BCC, FCC) Nanomaterials Illustrator (Graphene & Silver Nanoparticles) What are Nanomaterials? Exploring Graphene & Silver Nanoparticles Thermodynamics & Thermochemistry Energy Profile Diagram Maker Customize Activation Energy, Enthalpy & Catalysts Calorimetry Lab Simulator Calculating ΔH, Heat Loss, and Experimental Efficiency Specific Heat Capacity Calculator Solve Q = mcΔT (Physics & Chemistry) Bond Enthalpy Calculator Compute Reaction Enthalpy (ΔH) & Energy Diagrams Hess’s Law Cycle Solver Formation & Combustion Cycles Cell Biology & Biochemistry Enzyme Lock & Key Model Interactive Molecular Specificity Guide Cell Structure Comparator Interactive Prokaryotic vs. Eukaryotic Guide Respiration Pathway Map Interactive Cellular Energy Guide Enzyme Kinetics Lab Interactive Reaction Rates & Factors Guide Fermentation Lab Simulator Interactive Yeast Respiration & Biotechnology Guide Red Blood Cell Osmosis Lab Interactive Water Potential & Haemolysis Guide Osmosis & Diffusion Simulator Interactive Transport Mechanisms Guide Anaerobic Respiration Simulator Interactive Muscle vs. Yeast Fermentation Guide Biomolecules 3D Viewer Interactive Structure & Bonding Guide Fluid Mosaic Model Explorer Interactive 3D Cell Membrane Simulator & Guide Enzyme Inhibitor Simulator Interactive Competitive vs. Non-Competitive Kinetics Guide Active Transport Pumping Against the Flow The Universal Energy Currency of the Cell Mitosis Stage Sorter Interactive Cell Division Simulator Plant Cell Turgidity Viewer Interactive Osmosis & Plasmolysis Simulator Phagocytosis Animator How White Blood Cells Eat Bacteria Ecology & Environment Food Web Builder Interactive Ecosystem & Energy Flow Guide Energy Flow Tracker Interactive 10% Rule & Ecosystem Efficiency Guide Greenhouse Effect Model Simulator Interactive Global Warming & Climate Change Guide Bioaccumulation Calculator Interactive Food Chain & Biomagnification Simulator Air Pollution Index Visualizer Interactive AQHI & Smog Guide Carbon Cycle Simulator Interactive Ecosystem & Climate Change Guide Ecological Pyramids Illustrator Interactive Numbers & Biomass Guide Sewage Treatment Stages Simulator Interactive Water Purification Process Guide Transect Sampling Simulator Interactive Ecology & Zonation Field Trip Guide Quadrat Sampling Simulator Interactive Ecology & Population Estimation Guide Eutrophication Sequence Simulator Interactive Algal Bloom & Hypoxia Guide Nitrogen Cycle Simulator Interactive Ecosystem & Bacterial Roles Guide Water Quality Indicators Simulator Biological vs. Chemical Monitoring Guide Sustainable Fisheries Management MSY & Population Dynamics Evolution & Biodiversity Speciation Animator Interactive Evolution & Isolation Guide Dichotomous Key Maker Interactive Biological Classification & Identification Tool Carbon Dating Calculator How Old is that Fossil? Natural Selection Simulation The Peppered Moth Story Antibiotic Resistance Simulator Natural Selection & Evolution Game for Biology Genetics & Inheritance Blood Group Inheritance Calculator Interactive Punnett Square & Genetics Guide Pedigree Detective Interactive Genetic Inheritance & Analysis Guide Dihybrid Cross Calculator Interactive Punnett Square & Genetics Guide Meiosis Visualizer Interactive Cell Division & Crossing Over Guide Mastering Monohybrid Inheritance Genotypes, Phenotypes, and Ratios Sex Linkage Simulator Interactive Punnett Square for Haemophilia & Color Blindness Health & Diseases Non-infectious Disease Risk Simulator Interactive Lifestyle & Health Guide Breaking the Chain of Infection The Science of Disease Control Human Physiology Thermoregulation Simulator Interactive Body Temperature Control Guide Eye Defects Corrector Interactive Myopia & Hypermetropia Guide Blood Clotting Cascade Simulator Interactive Hemostasis & Coagulation Guide Blood Vessel Comparator Interactive Artery, Vein & Capillary Guide Glucose Regulation Simulator Interactive Homeostasis & Diabetes Guide Kidney Nephron Function Simulator Interactive Filtration & Reabsorption Guide 3D Digestive System Map Interactive Anatomy & Enzyme Guide Eye Accommodation Simulator Interactive Lens & Vision Mechanics Guide Lymphatic System Explorer Interactive Tissue Fluid & Edema Guide Osmoregulation Loop Simulator Interactive ADH & Water Balance Guide Synapse Transmission Animator Interactive Neurotransmission & Drug Effects Guide Ear Structure & Hearing Simulator Interactive Anatomy & Sound Wave Guide Cardiac Output Calculator Interactive Heart Rate & Stroke Volume Simulator Dialysis Principle Simulator Interactive Counter-Current vs. Concurrent Flow Guide Cardiac Cycle Animator Interactive Heart Pumping & Pressure Guide Heart Structure Model Simulator Interactive 3D Anatomy & Circulation Guide Gas Exchange Efficiency Simulator Interactive Fick’s Law & Alveoli Guide Nervous System Pathfinder Interactive Reflex Arc & Voluntary Action Guide Primary vs Secondary Immune Response The Science of Vaccination The Endocrine System Hormones & Homeostasis Explained Breathe In, Breathe Out The Mechanics of Ventilation Absorption in the Small Intestine Villi, Microvilli, and Transport Antibody-Antigen Matcher Interactive Immunology Game & 3D Lock-and-Key Model Human Dentition Anatomy, Types, and Functions of Teeth Lab Skills & Microbiology Food Test Virtual Lab Interactive Nutrient Identification Guide Bacterial Growth Curve Simulator Interactive Phases & Population Dynamics Guide Microscope Simulator Interactive Magnification & Resolution Guide Viral Replication Cycles Interactive Lytic vs. Lysogenic Guide Pathogen Gallery 3D Interactive Virus & Bacteria Structure Guide Aseptic Technique Trainer Interactive Microbiology Lab Skills & Sterile Procedure Guide Molecular Biology & Biotechnology Genetic Code Decoder Interactive DNA Transcription & Translation Guide Protein Synthesis Simulator Interactive Translation & Folding Guide Cloning Process Animator Interactive SCNT & Dolly the Sheep Guide Recombinant DNA Builder Interactive Genetic Engineering & Cloning Guide Restriction Enzyme Simulator Interactive DNA Scissors Guide Mutation Types Visualizer Interactive DNA Transcription & Translation Guide DNA Double Helix Builder Understanding Nucleotides & Base Pairing Forensic & Paternity Testing How Does DNA Fingerprinting Work? Gel Electrophoresis Lab The Complete Guide for Biology Students How to Clone DNA in a Test Tube Flower Dissection Animator Interactive Plant Anatomy & Pollination Guide Transpiration Potometer Simulator Interactive Xylem & Water Transport Guide Leaf Structure Explorer Interactive Plant Anatomy & Photosynthesis Guide Seed Germination Lab Interactive WOW Factors (Water, Oxygen, Warmth) Guide Pollination Types Comparison Insect vs. Wind Pollinated Flowers Interactive Guide Xylem vs Phloem Animation Interactive Plant Transport System Simulator Root Pressure Visualizer Interactive Active Transport & Osmosis Simulator Stomata Control Simulator Interactive Plant Gas Exchange & Transpiration Guide Phototropism Simulator Auxin & Plant Growth Experiments Photosynthesis Explained Light Reactions & Calvin Cycle Reproduction & Development Birth Control Methods Simulator Interactive Contraception & Family Planning Guide Fetal Development Timeline Interactive Pregnancy Stages & Growth Guide Reproductive System Viewer Interactive Anatomy & Gamete Guide Menstrual Cycle Grapher Interactive Hormone & Uterine Lining Simulator From Fertilization to Implantation The Journey of the Embryo Try adjusting your search terms, for example “Mechanics”, “Cell”, “Equation” or “Force”.