Class 11 · Chapter
Thermal Properties of Matter
12 topics · 12 interactive simulations
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Linear Expansion
ΔL = L₀αΔT — see metals lengthen with temperature.
Foundation7 min
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Area Expansion
β ≈ 2α — square sheet expanding in 2D.
Foundation6 min
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Volume Expansion
γ — liquid level rises in a bulb.
Foundation7 min
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Anomalous Water Expansion
Water density peaks at 4°C — unique behavior.
Moderate8 min
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Heat ↔ Temperature
Q = mcΔT — same heat ≠ same ΔT (depends on c).
Foundation7 min
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Calorimetry (Mixing)
T_eq = (m₁T₁ + m₂T₂)/(m₁+m₂) — mix two waters.
Moderate8 min
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Conduction
dQ/dt = kA·ΔT/L — heat flow in a rod.
Moderate8 min
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Thermal Conductivity Compared
Silver vs copper vs wood — see speed of heat flow.
Foundation5 min
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Convection Currents
Natural convection — heated fluid rises, cools, sinks.
Moderate8 min
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Radiation (Stefan–Boltzmann)
P = εσAT⁴ — blackbody vs polished surface.
Advanced9 min
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Newton's Law of Cooling
Exponential decay to ambient temperature.
Moderate8 min
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Phase Change & Latent Heat
Ice → water → steam: T plateaus during phase change.
Advanced10 min