Plot y = mx + b and see how slope and intercept change the line
🌍 Real-life Example
When you travel in a taxi, the fare = base fare + (rate × distance). That's a linear equation! The meter reading follows y = mx + b where m is the per-km rate and b is the base fare.
📊 Interactive Graph Plotter
Live
Slope (m)1.0
Intercept (b)0.0
y = 1.0x + 0.0
📝 Step-by-step
1
Slope (m) tells you how steep the line is. Positive = goes up, Negative = goes down.
2
Y-intercept (b) is where the line crosses the Y-axis (when x = 0).
3
Try changing both sliders to see how the line moves. A slope of 0 gives a horizontal line!
Rotate, zoom, and explore 3D shapes — see volume and surface area formulas come alive
🌍 Real-life Example
A football is a sphere, a can of Coke is a cylinder, an ice cream cone is a cone! Understanding 3D shapes helps architects, engineers, and game designers every day.
🧊 3D Shape Viewer
Three.js
🖱️ Drag to rotate • Scroll to zoom
📐 Cube
Volume = a³ | Surface Area = 6a²
A cube has 6 equal square faces, 12 edges, and 8 vertices. All edges are equal in length.
Create bar charts, understand mean, median, and mode with live data
🌍 Real-life Example
Cricket scores, class test marks, weather data — statistics helps us make sense of numbers around us. The average (mean) of your exam marks tells you your overall performance!
📊 Interactive Bar Chart
Live
0
Mean
0
Median
0
Mode
0
Range
📝 Key Concepts
1
Mean = Sum of all values ÷ Number of values. It's the "average".
2
Median = Middle value when data is sorted. For even count, average the two middle values.
3
Mode = Most frequently occurring value. A dataset can have more than one mode.
4
Range = Largest value − Smallest value. Measures the spread of data.
Flip coins, track outcomes, and see probability in action
🌍 Real-life Example
When a cricket captain tosses a coin, there's a 50% chance of heads and 50% chance of tails. Weather forecasts use probability too — "70% chance of rain" means out of 100 similar days, it rained on 70.
🪙 Coin Toss Simulator
Live Experiment
H
Click the coin or press the button
0
Heads
0
Tails
0
Total
📝 Understanding Probability
P(Event) = Favorable Outcomes / Total Outcomes
1
For a fair coin: P(Heads) = 1/2 = 0.5 = 50%
2
More tosses → Results get closer to 50/50 (Law of Large Numbers)
3
Try tossing 100 times and see how close the ratio gets to 50%!
Apply force to a box and see Newton's Second Law (F = ma) in real time
🌍 Real-life Example
Pushing a shopping cart, kicking a football, pulling a door — every push or pull is a force! Heavier objects need more force to accelerate (that's why trucks are harder to push than bicycles).
📦 Force Simulator (F = ma)
Newton's Law
Force (N)10 N
Mass (kg)5 kg
F = 5 × a → a = 2.00 m/s²
📝 Newton's Second Law
F = m × a → a = F / m
1
More force = more acceleration (if mass stays the same)
2
More mass = less acceleration (if force stays the same)
3
Try: Set mass to 1 kg & force to 10 N. Acceleration = 10 m/s²!
Explore the structure of an atom with orbiting electrons in 3D
🌍 Real-life Example
Everything around you — water, air, your phone, your body — is made of atoms! An atom is so small that millions of them fit on the tip of a needle.
⚛️ 3D Atom Viewer
Three.js
🖱️ Drag to rotate • Scroll to zoom
⚛️ Carbon Atom
Carbon has 6 protons, 6 neutrons, and 6 electrons. Electrons orbit in 2 shells: 2 in the first shell and 4 in the second. Carbon is the basis of all organic life!
Watch molecules collide, break, and form new substances
🌍 Real-life Example
Rusting of iron, cooking food, burning a candle, baking a cake — all are chemical reactions! New substances are formed with different properties.
⚗️ Reaction Animator
Simulation
🔥 Combustion of Methane
CH₄ + 2O₂ → CO₂ + 2H₂O + Energy
Methane (natural gas) reacts with oxygen to produce carbon dioxide, water, and energy (heat + light). This is an exothermic reaction used in gas stoves and heaters.
Explore the fundamental unit of life in interactive 3D
🌍 Real-life Example
Your body has about 37 trillion cells! Each cell is like a tiny factory — the nucleus is the "brain", mitochondria are "power plants", and the cell membrane is the "security gate".
🔬 3D Animal Cell
Three.js
🖱️ Drag to rotate • Scroll to zoom
🧬 Nucleus
The nucleus is the control center of the cell. It contains DNA (genetic material) that controls cell activities and reproduction. It's surrounded by a nuclear membrane with pores.
Explore the four types of animal tissues and their functions
🌍 Real-life Example
Your skin is made of epithelial tissue, your muscles are muscular tissue, your brain and nerves are nervous tissue, and your blood is a type of connective tissue!
🧱
Epithelial
Covers body surfaces
🩸
Connective
Binds & supports
💪
Muscular
Movement & force
🧠
Nervous
Transmits signals
🧱 Epithelial Tissue
🧱 Epithelial Tissue
Epithelial tissue forms a protective covering over body surfaces and lines organs. Cells are tightly packed with minimal intercellular space. Found in skin, lining of mouth, blood vessels, and lung alveoli.