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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
   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
   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
   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
   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
   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
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
   Kepler`s Laws
   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
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
   Motion of Invertebrates
   Motion of Vertebrates
   Blood circulation
Details
Anatomy
   Respiration
   Blood Test
   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
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
   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
 
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