Interactive Simulations & Quizzes

Explore our collection of interactive science simulations and quizzes. These tools are designed to help you better understand physical science concepts through hands-on learning.

Interactive Physics Simulations

Explore physics concepts through interactive simulations. These simulations allow you to experiment with various physics phenomena in real-time.

Preview of Earth orbital simulation

Earth Simulation

Explore Earth's physics and orbital mechanics

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Preview of Newton's Cradle simulation

Newton's Cradle

Visualize momentum and energy transfer

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Preview of collision simulation

Collision Simulator

Study elastic and inelastic collisions

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Preview of N-Body gravitational simulation

N-Body Simulation

Observe gravitational interactions between multiple bodies

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Preview of magnetic field simulation

Magnetic Field Simulator

Visualize magnetic field lines and interactions

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Preview of chaos theory demonstration

Chaos Theory Demo

Explore chaos theory and dynamic systems

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Preview of electric charges simulation

Electric Charges

Experiment with electric charges and fields

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Preview of FFT signal processing simulation

FFT Simulation

Explore Fourier transforms and signal processing

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Preview of FFT Heterodyne Receiver simulation

FFT Heterodyne Receiver

Advanced FFT analyzer with heterodyne mixing and zoom capabilities

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Preview of Multi-Tone Generator

Multi-Tone Generator

Generate multiple audio tones, DTMF signals, chords, and sweep frequencies

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Preview of Flat Earth demonstration

For Flat Earthers

Interactive demonstration of Earth's shape and physics

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Preview of Flat Earth Sundial comparison

Flat Earth Sundial vs Reality

Compare how sundials would work on flat earth vs spherical earth - educational demonstration of flat earth theory flaws

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Preview of Gravitational Destroyer physics game

Gravitational Destroyer

Epic space shooting game using real N-Body gravitational physics. Destroy planets, manage fuel, and master orbital mechanics!

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Preview of Earth-Moon-Sun orbital mechanics simulation

Earth-Moon-Sun Orbital Mechanics

Interactive simulation showing how Earth and Moon orbit the Sun together using mathematically accurate astronomical periods. Features show/hide controls for educational focus.

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Preview of Interactive Fractal Tree with recursion controls

Interactive Fractal Tree

Explore the beauty of recursion and fractals! Adjust parameters to create different tree shapes and watch animated growth. Perfect for understanding recursive algorithms.

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Preview of 3D Bouncing Ball simulation with colorful walls and trails

3D Bouncing Ball

Experience realistic 3D physics with a ball bouncing inside a colorful cube! Features mouse-controlled 3D rotation, splash effects, ball trails, and professional keyboard shortcuts. Perfect for learning 3D coordinates, perspective projection, and vector physics.

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Preview of Ham Radio Morse Code Decoder with signal analysis and real-time decoding

Ham Radio Morse Code Decoder

Professional Morse code decoder with 1000 Hz bandpass filter for ham radio operations. Features real-time decoding, adjustable WPM detection, noise filtering, and visual signal indicators. Perfect for CW reception with background noise rejection.

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Preview of Ham Radio Morse Code Generator with practice modes and transmission controls

Ham Radio Morse Code Generator

Advanced Morse code practice generator with multiple training modes. Features random letters, random words, custom text, and backwards text transmission at 1000 Hz. Perfect for CW speed building and practice with adjustable WPM (5-40).

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Mathematical Tools

Interactive mathematical tools and solvers to help with problem-solving and exploration of mathematical concepts.

Preview of Interactive Lissajous Curve Explorer

Interactive Lissajous Curve Explorer

Explore beautiful mathematical curves created by combining perpendicular oscillations. Adjust frequency ratios, amplitudes, and phase shifts in real-time.

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Preview of Interactive Particle Flow Explorer

Interactive Particle Flow Explorer

Visualize particle flow dynamics with mathematical vector fields. Control flow strength, particle behavior, and watch beautiful flowing patterns emerge.

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Preview of Parametric Formula Art Explorer

Parametric Formula Art Explorer

Create stunning organic patterns using complex parametric equations. Interactive controls for scale, harmonics, and mathematical parameters.

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Preview of Advanced Parametric Mathematical Art simulation

Advanced Parametric Mathematical Art

Explore complex parametric equations creating beautiful mathematical art. Real-time interactive controls for frequency, amplitude, and animation speed with mouse influence and educational explanations.

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Preview of Organic Parametric Art with flowing natural patterns

Organic Parametric Art

Create flowing, plant-like patterns using complex multi-layered parametric equations. Features organic presets like ferns, feathers, coral, and lightning with natural mathematical beauty.

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Preview of 3D Parametric Mathematical Art with rotating 3D rose and interactive controls

3D Parametric Mathematical Art

Explore stunning 3D mathematical beauty through parametric equations! Interactive 3D rotation, 6 different patterns including true 3D rose using spherical coordinates, persistent trails, and real-time manipulation. Perfect companion to Python Lesson 14.

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Preview of Flowing Connected Spheres simulation

Flowing Connected Spheres

Watch colorful gradient spheres flow and connect in organic patterns. Demonstrates fluid dynamics, particle systems, and natural movement through mathematical wave functions.

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Preview of 24 Game Solver showing multiple solutions

24 Game Solver - All Solutions

Enter 4 numbers and find all possible ways to make 24 using basic arithmetic operations and parentheses.

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Preview of analog clock with degree markings

Analog Clock - Degrees Tool

Interactive analog clock showing hour positions and corresponding degree measurements for geometry practice.

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Preview of Multiplication Test Timer with clock face and controls

Multiplication Test Timer

Professional visual timer for 100-problem multiplication tests. Features clock face display, audio alerts, preset times (3-15 min), and visual warnings. Perfect for classroom math assessments and timed drills.

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Preview of Problem Stopwatch with statistics and lap times

Problem Stopwatch

Count-up timer for tracking individual problem-solving time. Features lap timing, statistics (average, fastest, total), visual milestones, and exportable results. Perfect for monitoring student progress without time pressure.

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Chemistry Simulations

Interactive chemistry tools and games to explore chemical concepts, molecular structure, and chemical bonding through hands-on activities.

Preview of Molecule Builder game showing cations, anions, and compound formation

Molecule Builder Game

Interactive drag-and-drop game to build chemical compounds from common cations and anions. Learn compound naming, charge balancing, and ionic bonding through hands-on practice with scoring and feedback!

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Astrophotography Gallery

Explore the cosmos through real astrophotography captured with a Seestar S50 smart telescope! These images demonstrate the practical application of physics, optics, and mathematics in capturing celestial objects, while showcasing how modern automated telescopes make deep-sky imaging accessible.

Astrophotography of the Andromeda Galaxy showing spiral structure

Andromeda Galaxy (M31)

Our nearest major galactic neighbor, 2.5 million light-years away. Demonstrates deep-sky imaging techniques, long exposure photography, and galactic structure.

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Astrophotography of Bode's Galaxy M81 showing spiral arms

Bode's Galaxy (M81)

A beautiful spiral galaxy in Ursa Major, 12 million light-years away. Shows perfect spiral arm structure and demonstrates galactic dynamics and stellar populations.

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Astrophotography of the Cigar Galaxy M82 showing starburst activity

Cigar Galaxy (M82)

An irregular galaxy undergoing rapid star formation. Demonstrates starburst galaxies, galactic winds, and the effects of gravitational interactions with M81.

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Astrophotography of spiral galaxy M100 showing grand design structure

Spiral Galaxy M100

A grand design spiral galaxy in the Virgo Cluster. Perfect example of spiral density waves and stellar formation along galactic arms.

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Astrophotography of galaxy M106 showing active nucleus

Spiral Galaxy M106

A Seyfert II galaxy with active galactic nucleus. Demonstrates supermassive black holes, accretion disks, and active galactic nuclei physics.

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Astrophotography of edge-on galaxy M108 showing dust lanes

Surfboard Galaxy (M108)

An edge-on spiral galaxy showing dust lanes and stellar disk structure. Demonstrates galactic structure when viewed from the side.

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Astrophotography of edge-on galaxy NGC 4244

Galaxy NGC 4244

A beautiful edge-on spiral galaxy in Canes Venatici. Shows the thin disk structure of spiral galaxies and prominent dust lane absorption.

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Astrophotography of the Orion Nebula showing star formation region

Orion Nebula (M42)

A stellar nursery where new stars are born. Shows emission nebula physics, hydrogen-alpha wavelengths, and stellar formation processes.

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Astrophotography of the Lagoon Nebula M8 showing emission regions

Lagoon Nebula (M8)

A bright emission nebula in Sagittarius. Demonstrates H-II regions, stellar formation, and the ionization of hydrogen by hot young stars.

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Astrophotography of the Eagle Nebula M16 with star-forming pillars

Eagle Nebula (M16)

Famous for the 'Pillars of Creation' - columns of gas and dust where new stars form. Shows stellar formation and stellar wind erosion.

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Astrophotography of the Swan Nebula M17 showing swan-like shape

Swan Nebula (M17)

A bright emission nebula resembling a swan. Demonstrates stellar formation regions and the complex interplay of gas, dust, and radiation.

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Astrophotography of the Dumbbell Nebula M27 showing planetary nebula structure

Dumbbell Nebula (M27)

A planetary nebula - the death throes of a sun-like star. Shows stellar evolution, white dwarf formation, and ionized gas shells.

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Astrophotography of the Crab Nebula M1 supernova remnant

Crab Nebula (M1)

Supernova remnant from 1054 AD containing a pulsar. Demonstrates stellar death, neutron stars, and the creation of heavy elements.

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Astrophotography of IC 434 region showing Horsehead Nebula

Horsehead Nebula Region (IC 434)

Dark nebula silhouetted against bright emission nebula. Shows dust absorption, stellar formation regions, and nebular physics.

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Astrophotography of NGC 281 Pacman Nebula

Pacman Nebula (NGC 281)

An emission nebula with distinctive shape resembling Pac-Man. Shows stellar formation, ionization fronts, and stellar wind sculpting.

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Astrophotography of NGC 7635 Bubble Nebula showing wind-blown bubble

Bubble Nebula (NGC 7635)

A bubble-shaped nebula created by stellar winds from a massive star. Demonstrates stellar wind physics and shock wave formation.

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Astrophotography of NGC 7293 Helix Nebula showing eye-like structure

Helix Nebula (NGC 7293)

The 'Eye of God' - closest planetary nebula to Earth. Shows the final stages of stellar evolution for sun-like stars.

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Astrophotography of NGC 2071 reflection nebula

NGC 2071 Nebula

A reflection nebula in Orion showing blue scattered light from dust grains. Demonstrates Rayleigh scattering and stellar formation regions.

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Astrophotography of IC 5146 Cocoon Nebula showing star formation region

Cocoon Nebula (IC 5146)

A combination emission and reflection nebula in Cygnus surrounding a young star cluster. Shows stellar formation, dust lanes, and the interaction between newborn stars and surrounding gas clouds.

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Astrophotography of globular cluster M13 showing dense star field

Great Globular Cluster (M13)

A spectacular globular cluster in Hercules containing 300,000+ stars. Demonstrates stellar evolution, cluster dynamics, and Population II stars.

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Astrophotography of globular cluster M5 showing stellar concentration

Globular Cluster M5

One of the finest globular clusters, 25,000 light-years away. Shows stellar density gradients and cluster core structure.

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Astrophotography of open cluster M36 showing young blue stars

Open Cluster M36

A young open cluster in Auriga with hot blue stars. Demonstrates stellar formation, cluster evolution, and main sequence stars.

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Astrophotography of the Beehive Cluster M44

Beehive Cluster (M44)

A nearby open cluster visible to naked eye. Shows stellar associations, proper motion, and cluster dispersal over time.

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Astrophotography of Aldebaran red giant star with Hyades cluster

Aldebaran and the Hyades

Red giant star Aldebaran with the Hyades cluster. Shows stellar evolution, red giant phase, and stellar color-temperature relationships.

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Astrophotography of Comet C/2023 A3 ATLAS showing tail structure

Comet C/2023 A3 ATLAS

A bright comet from the outer solar system showing nucleus, coma, and tail. Demonstrates orbital mechanics, sublimation, and solar wind effects.

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Astrophotography of Comet C/2025 A6 Lemmon showing nucleus, coma, and tail structure

Comet C/2025 A6 Lemmon

Comet C/2025 A6 Lemmon - a visitor from the outer solar system. Demonstrates orbital mechanics, sublimation physics, and the solar wind's effect on comet tails.

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Solar eclipse photography showing corona and diamond ring effect

Solar Eclipse

Rare celestial alignment demonstrating orbital mechanics, shadow physics, and the Sun's corona. Perfect example of predictable astronomical events.

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