Science Platform · Simulations
PhysicsChemistry Simulations
Interactive labs for SSC and HSC Physics and Chemistry. Move a slider, watch the science happen, and see every equation worked out with your own numbers. Each lab has a Teach mode for class, a Practice mode with problems and quizzes, and an English / বাংলা switch.
HSC Physics 1st Paper
Chapter 2 · Vector
Vector Lab
- Addition & products
- River & boat
- Rain, umbrella & car
- Gradient, divergence & curl
Chapter 3 · Dynamics
Projectile Lab
- Launch speed, angle & height
- Velocity vectors
- Angle family
- Hit the target
Chapter 4 · Newtonian Mechanics
Newtonian Mechanics Lab
- Collisions & momentum
- Force & friction
- Inclined plane
- Pulleys
- Circular motion
- Banking of roads
- Angular momentum
Chapter 6 · Gravitation
Gravitation Lab
- Newton's law & field
- g with height, depth, latitude
- Potential & escape velocity
- Satellites & geostationary orbit
- Weightlessness
- Kepler's three laws
Chapter 7 · Structural Properties of Matter
Matter & Fluids Lab
- Stress–strain curve
- Young's, bulk & shear moduli
- Poisson's ratio
- Surface tension & energy
- Capillary rise
- Viscosity & terminal velocity
- Bernoulli & Torricelli
Chapter 8 · Periodic Motion
Periodic Motion Lab
- SHM & the reference circle
- x, v, a graphs
- Energy in SHM
- Spring & mass
- Simple pendulum
- Damping & resonance
Chapter 9 · Waves
Waves Lab
- Transverse & longitudinal
- Wave equation & phase
- Superposition
- Stationary waves: strings & pipes
- Beats
- Doppler effect
- Speed & intensity of sound
Chapter 10 · Ideal Gas & Kinetic Theory
Ideal Gas Lab
- Boyle, Charles & pressure laws
- PV = nRT
- Gas density
- Kinetic theory of pressure
- Maxwell speed distribution
- Humidity & dew point
HSC Physics 2nd Paper
Chapter 1 · Thermodynamics
Thermodynamics Lab
- Work by a gas & P–V area
- Isothermal, isobaric, isochoric & adiabatic
- Cp − Cv = R & γ
- First law: Q = ΔU + W
- Carnot engine & efficiency
- Refrigerator & COP
- Second law & entropy
Chapter 2 · Static Electricity
Static Electricity Lab
- Coulomb's law
- Field lines & E = kq/r²
- Uniform field
- Gauss's law & flux
- Potential & equipotentials
- Capacitors & energy
Chapter 3 · Current Electricity
Current Electricity Lab
- Drift speed & Ohm's law
- Resistivity & temperature
- Series, parallel & mixed
- EMF, internal r & Kirchhoff
- Wheatstone, meter bridge & potentiometer
- Power, bills, shunt & multiplier
Chapter 4 · Magnetic Effect of Current
Magnetism Lab
- Oersted & moving charge
- Biot–Savart
- Ampère's law
- Force & torque
- Hall effect
- Earth's magnetism
- Materials & hysteresis
- Electromagnets
Chapter 5 · Induction & Alternating Current
Induction & AC Lab
- Faraday's law
- Lenz's law & eddy currents
- Self induction
- Transformer
- Generator & dynamo
- Peak, mean & rms
- LCR & resonance
Chapter 6 · Geometrical Optics
Geometrical Optics
- Plane, concave & convex mirrors
- Refraction, slab & apparent depth
- Total internal reflection & optical fibre
- Spherical surface
- Thin lenses, lens-maker & power
- Prism & dispersion
- Magnifier, microscope & telescope
- The eye: myopia & hypermetropia
Chapter 7 · Physical Optics
Physical Optics Lab
- Light as an EM wave
- The EM spectrum
- Intensity & radiation pressure
- Huygens' principle
- Young's double slit
- Single slit & grating
- Malus & Brewster
Chapter 8 · Modern Physics
Modern Physics Lab
- Galilean & Lorentz
- Time dilation
- Length contraction
- Mass & E = mc²
- Photoelectric
- Compton
- de Broglie & uncertainty
Chapter 9 · Atomic Model & Nuclear Physics
Atomic & Nuclear Lab
- Rutherford scattering
- Bohr orbits & spectrum
- Nuclear size & binding energy
- Decay law & half-life
- α, β, γ & activity
- Fission, chain reaction & fusion
Chapter 10 · Semiconductor & Electronics
Semiconductor & Electronics Lab
- Energy bands & doping
- p-n junction & diode I–V
- Half-wave, full-wave & filter
- Transistor action & CE curves
- CE amplifier
- Logic gates, NAND & binary
SSC Physics chapter by chapter
Chapter 1 · Physical Quantities & Measurement
Measurement Lab
- Powers of ten & prefixes
- SI base units
- Converting units
- Metre rule
- Vernier calipers
- Screw gauge
- Dimensions & errors
Chapter 2 · Motion
Motion Lab
- Distance & displacement
- Kinds of motion
- Speed & velocity
- Distance–time & velocity–time graphs
- Equations of motion
- Braking distance
- Free fall & thrown up
Chapter 3 · Force
Force Lab
- First law: inertia
- Second law: F = ma
- Third law: action & reaction
- Collision
- Gun and bullet
- Catching a ball
- Static & kinetic friction
- Surfaces & wheels
Chapter 4 · Work, Power & Energy
Work, Power & Energy Lab
- Force and displacement
- Lifting against gravity
- Kinetic ↔ potential
- A falling ball
- Forms of energy
- Power: running upstairs
- Efficiency of a machine
- Electric energy & bill
Chapter 5 · State of Matter & Pressure
State of Matter & Pressure Lab
- Solid, liquid & gas
- Density = m / V
- Elasticity: Hooke’s law
- Solids: P = F / A
- Liquids: P = hρg
- Air pressure & barometer
- Pascal’s law
- Archimedes’ principle
- Floating & sinking
Chapter 6 · Effect of Heat on Matter
Effect of Heat on Matter Lab
- Thermometer scales
- Heat vs temperature
- Linear expansion
- Bimetallic strip
- Anomalous expansion of water
- Specific heat
- Heating curve of ice
- Evaporation & boiling
Chapter 7 · Waves & Sound
Waves & Sound Lab
- Transverse wave
- Longitudinal wave
- v = fλ
- Period and frequency
- Wave graphs
- Echo
- Speed in different media
- Audible range & sonar
Chapter 8 · Reflection of Light
Reflection of Light Lab
- A ray on a plane mirror
- Regular and diffuse reflection
- Image in a plane mirror
- Two mirrors at an angle
- P, F and C
- Concave mirror
- Convex mirror
Chapter 9 · Refraction of Light
Refraction of Light Lab
- Snell's law
- Apparent depth
- Total internal reflection
- Convex lens
- Concave lens
- Power of a lens
- Eye & accommodation
- Defects of vision
- Prism & dispersion
Chapter 10 · Static Electricity
Static Electricity Lab
- Charging by rubbing
- Charging by induction
- Gold-leaf electroscope
- Force between two charges
- Inverse-square law
- Field lines
- Field intensity & potential
- Lightning & conductor
Chapter 11 · Current Electricity
Current Electricity Lab
- Series
- Parallel
- Same bulbs, two ways
- A simple circuit
- V–I graph
- Resistance of a wire
- Electric power & heat
- Energy bill (kWh)
- House wiring & fuse
Chapter 12 · Magnetic Effect of Current
Magnetic Effect of Current Lab
- Straight wire
- Solenoid
- Electromagnet
- Force on a wire
- DC motor
- Magnet and coil
- AC generator
- Transformer
Chapter 13 · Modern Physics & Electronics
Modern Physics & Electronics Lab
- α, β and γ rays
- Deflection in a field
- Half-life
- Analog and digital
- p-n junction diode
- Half-wave rectifier
- Transistor as a switch
- Logic gates
- Radio waves & modulation
- Optical fibre
- Satellite & internet
HSC Chemistry 1st Paper
Chapter 1 · Laboratory Safety
Laboratory Safety Lab
- GHS hazard pictograms
- Fire triangle & extinguishers
- PPE & acid spills
- Diluting concentrated acid
- Heating a test tube
- Smelling a gas by wafting
- Reading the meniscus
- Choosing glassware
- Balance & percentage error
Chapter 2 · Qualitative Chemistry
Qualitative Chemistry Lab
- Rutherford: gold foil
- Bohr model: electron jumps
- Hydrogen spectrum
- Quantum numbers
- Orbital shapes
- Electron configuration
- Solubility curves
- Ksp and precipitation
- Common ion effect
- Flame test
- EM spectrum & spectroscopy
- Paper chromatography
Chapter 3 · Periodic Properties & Bonding
Periodic Properties & Bonding Lab
- Periodic trends
- Ionisation energy vs Z
- Atomic size & shielding
- Ionic bond
- Covalent bond
- Coordinate bond
- VSEPR shapes
- Hybridisation
- Bond polarity
- Hydrogen bonding
Chapter 4 · Chemical Changes
Chemical Changes Lab
- Collision theory
- Maxwell–Boltzmann & Arrhenius
- Energy profile
- Dynamic equilibrium
- Le Chatelier: Haber process
- Kc and Kp
- pH scale & indicators
- Strong and weak acids
- Buffer solution
- Heat of neutralisation
- Hess's law
Chapter 5 · Applied Chemistry
Applied Chemistry Lab
- Spoilage
- Preservatives
- Adulterants
- Making soap
- Removing grease
- Hard water
- Fermentation
- Titration
- Bleach
- Tyndall effect
- Coagulation
HSC Chemistry 2nd Paper
Chapter 1 · Environmental Chemistry
Environmental Chemistry Lab
- Boyle, Charles, Gay-Lussac, Avogadro
- Dalton: partial pressures
- Graham: diffusion
- Molecular speeds
- Real gases: Z and van der Waals
- Composition & layers
- Greenhouse effect
- Ozone layer & CFCs
- Acid rain
- Water quality tester
Chapter 2 · Organic Chemistry
Organic Chemistry Lab
- Homologous series
- Functional groups
- Hybridisation of carbon
- Structural isomers
- Geometric (cis–trans)
- Optical isomers
- Addition
- Substitution
- Elimination
- Benzene & aromaticity
- Identify the unknown
Chapter 3 · Quantitative Chemistry
Quantitative Chemistry Lab
- Mass, moles, particles & volume
- Empirical & molecular formula
- Limiting reactant & yield
- Molarity, molality, normality, ppm
- Preparing a standard solution
- Dilution M₁V₁ = M₂V₂
- Acid–base titration
- Redox titration
- Balancing redox equations
Chapter 4 · Electrochemistry
Electrochemistry Lab
- Metallic vs electrolytic
- Strong & weak electrolytes
- Molar conductance
- Products at the electrodes
- Faraday’s first law
- Faraday’s second law
- Daniell cell
- Electrode potentials
- Nernst equation
- Corrosion & protection
Chapter 5 · Economic Chemistry
Economic Chemistry Lab
- Haber–Bosch ammonia
- Urea fertilizer
- Contact process (H₂SO₄)
- Cement (rotary kiln)
- Glass & ceramics
- Reactivity & extraction
- Blast furnace (iron)
- Sugar & ethanol
- Addition polymers
- Atom economy
SSC Chemistry
SSC Chemistry labs are coming soon. Choose HSC to see the chemistry labs that are ready.
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