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Plus: Spoken English voice practice · ~600,000 questions + ~1,630 lessons pregenerated once by frontier models, served to every student · live AI only for the tutor and evaluation.
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Four real lessons, pulled straight from the app
Not mockups — these are rebuilt from IndiaSchool.ai's own lesson code and live database rows. Drag, slide, solve.
Class 8Chapter 1 · MatterPlay With Chemistry
The Dance of Particles
One slider, three states of matter
"Ice, water and steam look like three different things. They are the same molecules — dancing three different dances. Take control of the temperature and watch the dance change."
Try it — drag the temperature slider through all three states. Watch the particle box and the state symbols light up together.
What you see
H₂O as solid
What the particles do
Solid — particles locked in place, only vibrating
The chemist's shorthand
H₂O(s)⇌H₂O(l)⇌H₂O(g)
Same molecules in every state — only the spacing and speed change. Nothing new is formed: a physical change.
❄️ cold0°C100°C🔥 hot
Class 7Ch.17 · TrianglesICSE · Selina
The Exterior Angle Theorem
The outside angle equals the two inside opposites
Try it — drag point A around. Watch how the exterior angle at C changes — notice it always matches the combined size of the two interior angles at A and B.
The Exterior Angle Theorem: an exterior angle of a triangle equals the sum of the two remote interior angles. So ∠ACD = ∠A + ∠B, no matter what shape the triangle takes.
Try moving A so the triangle gets very tall or very flat. Does the relationship still hold? What happens if you drag A below the line BC?
∠A + ∠B = ∠ACD
Class 9Ch.7 · Reflection of LightICSE · Selina
Ray Diagrams that Work
The concave mirror image walk
"One concave mirror can be a dentist's magnifier, a make-up mirror, a projector and a telescope's heart — depending only on where you stand. Walk the axis and meet all four." 🕯️
Try it — slide the candle from far beyond C to inside F — visit all four regions and watch the image flip from cinema-screen to shaving-mirror.
real · inverted (arrow points DOWN) · m 0.50
Object distance — 8.0 units (f = 3, C at 6)
beyond Cat C (image same size!)between C and Finside F (virtual!)
Class 7Chapter 14: Simple Linear EquationsEquation Forge
Solve 3x + 7 = 22
Drag +7 across the equals sign and watch it become −7.
✓ Watch
▶ Solo
Reflect
3x + 7 = 22
Start: 3x + 7 = 22.
Step 1 of 6
This is a worked example — just watch, nothing to drag here. Use the Next › button to move through it.
Try it — Solo always opens on a fresh equation, so you can't just repeat the Watch steps from memory: 4x + 9 = 33. Grab the whole +9 tile and drag it past the "=". Then grab just the 4 inside 4x and drag it past the "=" too.
Drag a tile across the "=" — pull the whole term to move it, pull just its number to divide both sides by it.
Why does +7 become −7 when it crosses the equals sign?
Watch and Solo intentionally use different starting equations in the real app — Solo tests whether you understood the move, not whether you memorized it.
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Government
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All 4 GS papers, Essay, 25 optional subjects — English & Hindi.
Every answer scored against the real paper structure.
"Pregenerate everything that can be pregenerated, with the best models in the world. Spend live AI only on the two moments a student needs a mind on the other end."