български (Bulgarian)
Simulations not yet translated into Bulgarian
- Acid-Base Solutions (HTML5)
- Acid-Base Solutions
- Area Builder (HTML5)
- Arithmetic (HTML5)
- Arithmetic
- Atomic Interactions
- Balancing Act (HTML5)
- Balancing Act
- Balancing Chemical Equations (HTML5)
- Balancing Chemical Equations
- Balloons & Buoyancy
- Balloons and Static Electricity (HTML5)
- Band Structure
- Beer's Law Lab (HTML5)
- Bending Light (HTML5)
- Blackbody Spectrum
- Build a Fraction
- Build a Molecule
- Build an Atom (HTML5)
- Calculus Grapher
- Collision Lab
- Color Vision (HTML5)
- Concentration (HTML5)
- Curve Fitting
- Davisson-Germer: Electron Diffraction
- Double Wells and Covalent Bonds
- Eating & Exercise
- Electric Field Hockey
- Energy Forms and Changes
- Energy Skate Park
- Energy Skate Park: Basics (HTML5)
- Energy Skate Park: Basics
- Equation Grapher
- Estimation
- Faraday's Law (HTML5)
- Fluid Pressure and Flow
- Forces and Motion
- Forces and Motion: Basics (HTML5)
- Forces and Motion: Basics
- Forces in 1 Dimension
- Fraction Matcher (HTML5)
- Fraction Matcher
- Fractions Intro
- Friction (HTML5)
- Friction
- Gas Properties
- Gene Expression - The Basics
- Gene Machine: The Lac Operon
- Glaciers
- Graphing Lines (HTML5)
- Graphing Lines
- Gravity Force Lab (HTML5)
- The Greenhouse Effect
- Hooke's Law (HTML5)
- John Travoltage (HTML5)
- Ladybug Motion 2D
- Ladybug Revolution
- Lasers
- Least-Squares Regression (HTML5)
- Lunar Lander
- Masses & Springs
- Maze Game
- Membrane Channels
- Microwaves
- Models of the Hydrogen Atom
- Molarity (HTML5)
- Molarity
- Molecular Motors
- Molecule Polarity
- Molecules and Light (HTML5)
- Molecules and Light
- Molecule Shapes (HTML5)
- Molecule Shapes
- Molecule Shapes: Basics (HTML5)
- Molecule Shapes: Basics
- The Moving Man
- My Solar System
- Natural Selection
- Neon Lights & Other Discharge Lamps
- Neuron (HTML5)
- Neuron
- Normal Modes
- Ohm's Law (HTML5)
- Optical Quantum Control
- Optical Tweezers and Applications
- Pendulum Lab
- pH Scale (HTML5)
- pH Scale
- pH Scale: Basics (HTML5)
- Plate Tectonics
- Plinko Probability
- Projectile Motion
- Quantum Bound States
- Quantum Tunneling and Wave Packets
- Quantum Wave Interference
- Radiating Charge
- Radio Waves & Electromagnetic Fields
- The Ramp
- Ramp: Forces and Motion
- Reactants, Products and Leftovers (HTML5)
- Reactants, Products and Leftovers
- Reactions & Rates
- Resistance in a Wire (HTML5)
- Resonance
- Reversible Reactions
- Rutherford Scattering
- Salts & Solubility
- Self-Driven Particle Model
- Semiconductors
- Simplified MRI
- Sound
- States of Matter
- States of Matter: Basics
- Stern-Gerlach Experiment
- Stretching DNA
- Sugar and Salt Solutions
- Torque
- Trig Tour (HTML5)
- Under Pressure (HTML5)
- Under Pressure
- Vector Addition
- Wave on a String (HTML5)
- Wave on a String
The remaining simulations can be translated using the PhET Translation Utility.