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Physics Grades 9–12

Thermodynamics & Matter Mission

Explore heat, temperature, gas behavior, and phase changes - from calorimetry and the ideal gas law to fluid dynamics and phase diagrams.

8 activities · Work through in order for a complete lesson arc

1

Specific Heat & Calorimetry Calculator

Solve Q=mcΔT for any variable or find the equilibrium temperature when mixing two substances. Step-by-step thermal energy math.

Start with calorimetry - measuring heat exchange.

2

Ideal Gas Law (PV=nRT) Calculator

Solve PV=nRT for any variable with unit support for pressure, volume, and temperature. Gas particle visualization and step-by-step math.

3

Pressure & Pascal's Law Calculator

Four modes: pressure basics (P = F/A) with unit conversions, hydrostatic pressure at depth (P = P₀ + ρgh), Pascal's law hydraulics with mechanical advantage, and atmospheric pressure vs altitude. SVG hydraulic press diagram, depth gradient, and altitude bar. Presets for deep ocean, hydraulic car lift, blood pressure, tire pressure, and scuba diving.

4

Phase Diagram & Heating Curve Explorer

Interactive P-T phase diagram for water, CO₂, ethanol, and nitrogen. Click to identify phases, view heating curves at any pressure, explore triple and critical points, apply Clausius-Clapeyron to shift boiling points, and see colligative effects of dissolved solutes on phase boundaries.

5

Fluid Dynamics (Bernoulli) Calculator

Apply Bernoulli's equation and the continuity equation to solve for pressure, velocity, or height at two points in a fluid flow with pipe visualization.

6

Thermodynamics Lab

Build PV diagrams with isothermal, adiabatic, isobaric, and isochoric processes. Calculate work as area under the curve and explore Carnot cycle efficiency

7

Heat Transfer Lab

Visualize conduction, convection, and radiation with a temperature heatmap. Compare materials with different thermal conductivities using Fourier's law

8

Gas Laws Lab

Explore Boyle's, Charles's, and Gay-Lussac's gas laws with animated particles. Adjust pressure, volume, temperature, and moles to discover relationships experimentally

Capstone - verify PV=nRT with simulated data.