Here’s a clear and concise guide to important science formulas, sorted by topic -

Force and Motion
Speed = Distance / Time
Velocity = Displacement / Time
Acceleration = Change in Velocity / Time
Force = Mass × Acceleration (F = m × a)
Work done = Force × Distance (W = F × d)

Gravitation and Pressure
Pressure = Force / Area (P = F / A)
Density = Mass / Volume (ρ = m / V)

Light and Sound
Wave speed = Frequency × Wavelength (v = f × λ)
Ohm’s law: Voltage = Current × Resistance (V = IR)

Electricity and Magnetism
Power = Voltage × Current (P = VI)

Chemistry (Reactions and Moles)
Number of Moles = Given Mass / Molar Mass
pH = -log[H+]

Biology
Photosynthesis:  6CO2+ 6H2O → C6H12O6 + 6O2

Units and Measurements
Length → meter (m)
Mass → kilogram (kg)
Time → second (s)
Electric Current → ampere (A)
Temperature → Kelvin (K)
Amount of Substance → mole (mol)

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