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Physics
Mechanics
Vector Components
Relative Motion
Vector Addition
Velocity and Displacement
Motion with Constant Acceleration
Motion (1 - D) with Constant Acceleration
Acceleration and Instantaneous Velocity
Projectile Motion
Circular Motion
Moving Bodies On Weightless Block
Block on Frictionless surface
Satellite
Weight and Weightlessness
Hooke`s Law
Motion On Inclined Plane
Ingots Equilibrium
Hydraulic Machine
Impulse
Rocket Propulsion
Kinetic and Potential Energy
Collisions of Elastic Balls
Elastic and Inelastic Collisions
Bernoulli`s Equation
Momentum Of Inertia
Kepler`s Laws
available now!
Mechanical Work
Newton`s Second Law
Archimedes` Principle
Beam Balance
Body motion in the Earth`s gravitational field
Pulley
Consersation of mechanical energy
Body weight
Gravitational potential energy
Free Fall
Friction
The Law of Gravity
The Hooke`s law
Hydraulic machine. Movie
The Law of Conservation of Momentum
Newtons’s Third Law
Kinematics
Kinetic Energy
Lever
Simple Pendulum
The Law of Conservation of Energy
Initial Velocity Components
Heat Collision
Target Practice 2
Orbital Motion Force
Orbital Motion Problem
Target Practice 1
Rocket
Projectile Motion 2
Details
Thermodynamics
Kinetic Model of Ideal Gas
Brownian Motion
Adiabatic Process
Isothermal Process
Isochoric Process
Isobaric Process
Carnot Cycle
Specific Heat of a Gas
Evaporation and Condensation
Gas Diffusion
Work Done by a Gas
Maxwell Distribution
available now!
Semipermeable membrane
Isotherms of Real Gas
Thermodynamic Cycles
Entropy and Phase Transitions
Heat Transfer
Gas Work Negative Piston V
Gas Work Positive Piston V
Matter Structure
First law of thermodynamics
Work done by an Ideal Gas
Temperature
Phase change
Mains pressure
Heat contact
Heat Engines
Internal Energy
Thermodynamic Cycles 2
Details
Mechanical Oscillations and Waves
Harmonic Oscillations
Free Oscillations (pendulum)
Free Oscillations (spring)
Transformation of the Energy
Forced Oscillations
Normal Modes of String
Transverse and Longitudinal Waves
Beats
Doppler Effect
Spring pendulum
Interconversion of energy in spring pendulum
Doppler Effect 2
Details
Electricity and Magnetism
Electric Field of Point Charges
Interaction of Point Charges
Magnetic Field of a Straight Conductor
Direct Current Circuits
DC Circuits with Capacitors
Parallel - Plate Capacitor
Magnetic Field of a Circular Loop
Magnetic Field of a Solenoid
Interaction of Two Parallel Currents
Torque on a Current - Carrying Loop
Motion of a Charged Particle in Electricity
Motion of a Charged Particle in Magnetic Field
Velocity Selector
Mass-Spectrometer
Faraday Experiment
available now!
Motion Electromotive Force
The Alternating Current Generator
The RC Circuit
The RL Circuit
Free Oscillations in RLC Circuits
Forced Oscillations in RLC Circuit
Electric Flux
Coulomb`s Law
Electroscope. Kinds of charge
Oersted demonstration
Electric curcuit
Electromagnetic Induction
Joule-Lenz`s Law
Magnetic Field
Rotation of the Current Loop in Magnetic Field
Interaction of Electric Charges
Mass Spectrometer 2
Motion of a Charged Particle in Electric Field 2
The R-L-C Circuit 2
Motional Electromorive Force
Motion of Charged Particles in Magnetic Field
Fourier analysis
The R-L-C Circuit 1
The Alternating Current Generator 2
The R-C Circuit
Interaction of Two Parallel Currents 2
The R-L Circuit 1
The R-L Circuit 2
Alternating Current in the L-R-C Series Circuit 1
Alternating Current in the L-R-C Series Circuit 2
Details
Optics
Reflection and Refraction
The Plane Mirror
Spherical Mirror
Lens
The System of Two Lenses
The Eye
The Telescope
Microscope
Newton`s Rings
Young`s Interference Experiment
Diffraction
Fresnel`s Zones
The Diffraction Grating
Circular Apertures and Resolving Power
Polaroids
Polarization of Light
Ray refraction
Spectrum
Spectacles
Reflection in the mirror
Lenses
Polarizer
The Lens
The Plane Mirror 2
Reflection and Refraction 2
Velocity Selector 2
Two Lenses
Details
Modern Physics
The Photoelectric Effect
The Compton Scattering
Bohr`s postulates
Standing Electron Waves on a Circular Orbit
The Hydrogen Atom
Wave Packet
The Uncertainty Principle
Particle in a Box
The Electron Diffraction
The Laser. Two Levels Model
Stability of Nuclei
Relativity of Time
available now!
Relativity of Length
Potential Barriers
Potential Wells
Potential Energy Diagrams
Nuclear Reactions
Particle in a Box 2
Binding Energy of Nucleus
Wave Packet 2
Relativity of Time 2
Planetary model of atom
Nuclear structure
Radioactivity
Gauss Law for Sphere
Fusion
Particle Physics
Spectroscopy
Particle Scattering
Details
Chemistry
General Interactive Applications
Molecular Weight Calculator
Ground-State Electron Configuration
Periodic Table
Details
Organic Chemistry
Liposome
Detergents
Formation Of Complementary DNA Chain
Bonds in benzole molecule
Aromatic
Alkanes
Carboxylic acids
Details
Physical Chemistry
Galvanic Element
Galvanic Elements Constructor
Mass-Spectrometer
The Uncertainty Principle
Stability of Nuclei
Electrolysis
Nuclear Reactions
Gibbs energy
Details
Atoms and Molecules
H-Atom
Types Of Chemical Bond
Hybridization of Orbitals
Sigma- and pi-bonds
Atom Electron Configuration
Size Of Atoms And Molecules
Details
The Properties of Gases
Brownian Motion
Gas Diffusion
Isobaric Process
Isothermal Process
Isochoric Process
Semipermeable membrane
Maxwell Distribution
available now!
Real Gas
Details
Liquids and Solids
Aggregate States
Hydraulic Machine
Osmosis
Dissolution of NaCl
Bernoulli`s Equation
Water Cycle
Details
Chemical Reactions
Polymerization
Balancing Chemical Equations
Types of Reactions
Catalysis
Chain reaction
Reaction process
Redox reactions
Details
Chemical Laboratory
Indicators
Qualitative Analysis I
Qualitative Analysis II
Qualitative Analysis III
Magnesium in Acid and Base Media
Solubility of Salts
Acid-Base Reactions
Titration
Details
Thermodynamics
Adiabatic Process
Evaporation and Condensation
Work Done by a Gas
Thermodynamic Cycles
Carnot Cycle
Details
Chemical Kinetics
Rates of Chemical Reactions
available now!
Details
Astronomy
Starry Sky
Time Zones
Celestial Sphere
Celestial Coordinates
Motion of the Luminaries
Motion of the Sun
The Seasons
Moon Phases
Motion of Visible Planets
Solar Eclipse
Nature of Eclipses
Lunar Eclipse
Astronomical Distances
Details
Light and Matter
Laws of Geometry in Optics
Young`s Interference Experiment
Diffraction
Telescope
Absolute Temperature
Temperature Scales
Black Body
Hydrogen Atom
Doppler Effect
Details
Celestial Mechanics
Earth`s Gravitation
Relativity of Time
available now!
Kepler`s Laws
available now!
Rocket Propulsion
Satellite
Orbital Elements
Interplanetary Flight
Gravitational Maneuver
Details
The Solar System
Solar System
Evolution of the Solar System
Rotation of Mercury
Sunsets on Mercury
Phases of Venus
Formation of the Moon
Craters
Comets
Meteors
Details
The Sun
Position of the Sun
Synthesis of Helium
Rotation of the Sun
Details
The Stars
Magnitudes
Evolution of Stars
Cepheids
Double Stars
Multi-Star Systems
Close Binary Systems
Reactions in Hot Stars
Pulsars
Details
Galaxies
Rotation of Galaxy
Elliptical Galaxies
Spiral Galaxies
Collisions of Galaxies
Details
The Universe
Distance and Time
Local Group
Evolution of the Universe
Reactions in the Early Universe
Details
Planetarium
Planetarium
Details
Biology
Microbiology
Bacteriophages
Malaria
Details
Ecology
Wolves and rabbits
Rabbits and cabbage
Chemicals cycle
Biomes
Details
Mycology
Life Cycle of Fungi
available now!
Details
Botany
Annual rings
Proliferation of Seeds
Nettle
Algae Life Cycle
Phototropism
Twig evolution
Life Cycle of Plants
Details
Zoology
Dance of the Bee
Infusorian Feeding Cycle
Butterfly Life Cycle
Frog Life Cycle
available now!
Motion of Invertebrates
Motion of Vertebrates
Blood circulation
Details
Anatomy
Respiration
Blood Test
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Muscular contractions
Digestion
Vision disorders
Atlas of Human Anatomy
Details
Physiology
Plant metabolism
Pristley`s experiment
Tromb Formation
Pavlov`s experiment
Biological Rhythms
Knee-jerk Reaction
Details
Theory of Evolution
Foetal evolution
available now!
Details
Biochemistry & Molecular genetics
Protein synthesis
RNA synthesis
Complimentary nature of nucleotides
DNA replication
Mendel`s laws
Fermentative catalysis
Inhibition
Chromosome structure
DNA replication process
Protein synthesis (polyribosome)
Sodium-potassium pump
Details
Cytology
Mitosis
Cloning
Meiosis
Phagocytosis
Details
Economics
Supply and Demand
Demand
Supply
Elasticity
Market Equilibrium
Marketing
Productivity growth
Price
Assortment
Revenue
Finance
Segmentation
Stocks
Details
Mathematics
Intermediate Algebra
Applications of linear equation and inequalities with one variable
Simplification of Expressions
Addition and Subtraction with Fractions
Vector components
Addition of Real Numbers
Decimals
Vector addition
Division of Real Numbers
Solving linear equations
Scalar Multiplication of Vectors
Factoring
Formulas
Fractions
Functions
Differentiation (analytical training application)
Graphing Linear Equations
Integration (analytical training application)
Linear Inequalities
More Applications Linear Equation with One Variable
Multiplication of Real Numbers
Notation and Symbols
Graphing Points (Ordered Pairs)
Square Calculation Applet
Quadratic Formula
Radicals
Real Numbers
Signed Numbers
Simplifying Expressions
Solution of Linear Equations with Two Variables
Solving Linear Equations.Movie
Subtraction of Real Number
Variables
Addition and subtraction of Polynomials
Addition and subtraction of polynomials DND
Binomial squares and other special products
Binomial Squares and Other Special Products DND
Dividing a polynomial by a polynomial
Dividing a Polynomial by a Polynomial DND
Dividing a polynomial by monomial DND
Division with exponents
Division with exponents DND
Multiplication with Exponents
Multiplication with Polynomials
Multiplication with Polynomials DND
Operations with monomials
Operations with monomials DND
Application of factoring
Application of factoring DND
Factoring A General Review
Factoring trinomials
Factoring trinomials DND
More Trinomials to Factor
More Trinomials to Factor DND
Solving Equations by Factoring
Solving Equations by Factoring DND
The difference of two squares
The difference of two squares DND
The greatest common factor and factoring by grouping
The greatest common factor and factoring by grouping DND
Addition and Subtraction of Rational Expressions
Addition and subtraction of rational expressions DND
Application of Rational Expressions DND
Complex factoring DND
Equations involving rational expressions DND
Equations Involving Rational Expressions
Multiplication and division of rational expressions
Multiplication and division of rational expresions DND
Poportions DND
Reducing rational expressions to lowest terms
Reducing rational expressions to lowest terms DND
Variation DND
Addition and subtraction of radical expressions
Definitions and common roots DND
Equations involving radicals
Multiplication and division of radicals
Properties of radicals
Simplified form for radicals
Application of Sytems Of Linear Equations
Application of Sytems Of Linear Equations DND
Solving linear systems by graphing
Solving linear systems by graphing DND
The elimination method
The elimination method DND
The substitution method
The substitution method DND
Polynomials
Systems of equations
Addition Property of Equality
Multiplication Property of Equality
Compound Inequalities
Finding the equation of a line
More on graphing intercepts
The slope of a line
Linear Inequalities in Two Variables
Linear inequalities in two variables DND
Completing the square
Complex numbers
Complex solutions to quadratic equations
Graphing parabolas
More quadratic equations
The quadratic formula
Dividing a polynomial by monomial
Details
Function Algebra
Arithmetical progression
Geometric series
Various chart types
Cartesian coordinate system
Defining coordinates in Cartesian coordinate system
Cartesian coordinates
Median in a triangle
Segment
Polar coordinate system
Defining coordinates in polar coordinate system
Polar coordinates
Quadratic Functions
Quadratic Inequalities
Even and uneven functions
Intervals of constant signs of a function
Monotone function
Asymptotes
Axis - asymptote
Inverse functions
Parametric curve
Parametrically defined curves
Parallel shift of graphs
Compressing and stretching of graphs
Reflection
Stretching and Compression
Graph reflection in axes and points
Function calculator
Transformation of functions
Transformation of function graphs
Reflection and Parallel shift
Algebraic manipulation with functions
Reflection and axial symmetry
Linear function
Line construction methods
Piece Linear Function
Parabolic trajectory
available now!
Parabola construction
Parabola
Parabola Defined by Three Points
Parabola tangent
Trigonometry on the unit circle
Symmetrical points in polar system
Defining intervals
Arctangent
Reflection of trigonometrical functions
Manipulations with trigonometrical functions
Hyperbola
Graphical equation solving
Tangent and perpendicular
Differentiation of functions
Theorem of Lagrange
Definite Integral
Properties of definite Integral
Details
Plane Geometry
Introduction. Movie
Tangram
The Point, the Straight Line. Movie
The Angle. Movie
Parallels. Movie
Triangle. Movie
Triangle
Solution of triangles. Movie
Pythagorean Theorem
Solution of a triangle. Problem 1
Solution of a triangle. Problem 2
Solution of a triangle. Problem 3
Circle. Movie
Quadrilateral. Movie
The Trapezoid
The Quadrilateral
Inscribed and Circumscribed Quadrilaterals
Figures Constructing. Movie
Segment bisecting
Segment bisecting. Movie
Drawing a perpendicular to a given straight line
Drawing a perpendicular to a given straight line. Movie
Construction of a triangle by its three sides
Construction of a triangle by its three sides. Movie
Construction of an angle equal to a given one
Construction of an angle equal to a given one. Movie
Construction of an angle bisector
Construction of an angle bisector. Movie
Construction of a parallel to a given straignt line
Construction of a parallel to a given straignt line. Movie
Dividing of a segment into n equal parts. Movie
Construction of the fourth proportional segment. Movie
Polygon. Movie
Cartesian coordinates. Movie
Vectors. Movie
Transformations. Movie
Symmetry
Area. Movie
Measuring of Areas
Details
Solid Geometry
Axioms of Solid Geometry
Axioms
Axioms of Solid Geometry. Movie.
Theorem 1
Theorem 2
Details
Parallelism in Space
Theorem 1
Theorem 2 (The test for skew lines)
Theorem 3a
Theorem 3b (Transitivity of parallelism)
Theorem 4 (The test for parallelism of a line to a plane)
Theorem 6 (The test for parallelism of two planes)
Theorem 10
Parallel Projection
Representation of a parallelepiped
Representation of a prism.
Representation of a triangular pyramid
Representation of a regular triangular pyramid
Representation of a quadrilateral pyramid
Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 9a
Parallelism in Space. Movie.
Details
Perpendicularity of Straight Lines and Planes
Definition of an angle between two skew lines.
Definition of a perpendicularity of lines
Definition of a perpendicular from a fixed point to a plane.
Definition of perpendicular planes.
Definition of an angle between an oblique and a plane
Definition of a dihedral angle.
Definition of an angle between planes
Theorem 1 (Test for perpendicularity of a st. line to a plane)
Theorem 7 (Of the three perpendiculars)
Theorem 8 (The test for perpendicularity of a plane to a plane)
Theorem 9
Theorem 11
Theorem 12
Theorem 13a
Theorem 13b
Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12
Problem 13
Problem 14
Problem 15
Perpendicularity of Straight Lines and Planes. Movie.
Details
Polyhedrons
Definition of a trihedral angle
Definition of a polyhedral angle
Definition of a prism
Definition of a right section of a prism
Definition of a frustum of a pyramid
Theorem 1
Theorem 2
Theorem 3
Theorem 6
Theorem 7
Theorem 8
Theorem 9
Theorem 12
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 10
Problem 11
Problem 12
Polyhedrons. Movie.
Details
Solids of Revolution
Definition of a right circular cylinder
Definition of a right circular cone
Definition of a frustum of a cone
Definition of a sphere.
Theorem 1
Theorem 1. Movie
Problem 1
Problem 2
Problem 4
Problem 5
Problem 6
Problem 8
Problem 9
Solids of Revolution. Movie.
Details
The Solids Volumes
Theorem 2a
Theorem 2b
Theorem 2c
Theorem 3
Theorem 4
Theorem 5a
Theorem 5b
Theorem 6
Theorem 7
Spherical segment
Spherical sector
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 12.
Problem 13
Problem 12. Movie.
The Solids Volumes. Movie.
Spherical segment. Movie.
Spherical sector. Movie.
Section of a Shpere. Movie.
Details
Combinations of Geometrical Figures
Theorem 2
Theorem 5
Problem 1
Problem 2
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12
Polyhedra Sections. Movie.
Details
Coordinates and Vectors in Space
Definition of a Cartesian Coordinate System
The Equation of a Plane in Space.
Intercept form of the equation of a plane
The Cartesian Coordinate System. Movie.
Details
Statistics
Probability Distributions and Assorted Means
Details