Free Grade 12 Physics Worksheets with Answers

Grade 12 Momentum & Collisions

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Calculating momentum and using conservation of momentum in collisions.

e.g. What is the momentum of a 1 kg object moving at 12 m/s?

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Grade 12 Universal Gravitation

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How gravitational force changes with mass and distance (the inverse-square law).

e.g. If the distance between two objects is multiplied by 2, what happens to the gravitational force?

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Grade 12 Kepler's Laws & Orbits

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Using Kepler's third law (T² = a³) to relate a planet's orbit size and period.

e.g. What shape is a planet's orbit, according to Kepler's first law?

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Grade 12 Kinetic & Potential Energy

HS-PS3-1

Calculating kinetic energy (½mv²) and gravitational potential energy (mgh).

e.g. A 16 kg object is 22 m above the ground. What is its potential energy? (PE = mgh, g = 10 m/s²)

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Grade 12 Work & Power

HS-PS3-1

Calculating work (W = Fd) and power (P = W/t).

e.g. A force of 56 N pushes a box 12 m. How much work is done? (W = Fd)

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Grade 12 Specific Heat (Q = mcΔT)

HS-PS3-4

Calculating heat energy with Q = mcΔT.

e.g. How much heat is needed to raise 60 g of aluminum by 4 °C? (c = 0.9 J/g·°C)

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Grade 12 Wave Speed, Frequency & Wavelength

HS-PS4-1

Using v = f × λ to find wave speed, frequency and wavelength.

e.g. A wave has a frequency of 31 Hz and a wavelength of 20 m. What is its speed? (v = fλ)

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Grade 12 Electromagnetic Spectrum

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The types of electromagnetic waves, their uses and dangers, from radio to gamma rays.

e.g. Which waves have the longest wavelength?

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Grade 12 Electric Circuits

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Ohm's law, series and parallel resistance, and electric power.

e.g. Resistors of 3 Ω, 16 Ω and 17 Ω are connected in series. What is the total resistance?

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Grade 12 Radioactivity & Half-Life

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Calculating how much of a radioactive sample remains, and dating with half-lives.

e.g. A sample with a half-life of 12 days drops from 1000 g to 500 g. How much time has passed?

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Grade 12 Stars, Galaxies & the Big Bang

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How stars shine and evolve, galaxies, and evidence for the Big Bang.

e.g. Why do hotter stars look blue?

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Grade 12 Physics Formulas

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Applying core physics formulas such as speed, force (F = ma), work, power and density.

e.g. A car speeds up from 10 m/s to 14 m/s in 4 seconds. What is its acceleration? (a = Δv ÷ t)

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Grade 12 Kinematics: Speed, Velocity & Acceleration

HS-PS2-1

Calculating average speed, acceleration and distance for accelerating objects.

e.g. A car travels 310 m in 10 s. What is its average speed?

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Grade 12 Newton's Second Law (F = ma)

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Using F = ma to find force, mass or acceleration, including net force.

e.g. A net force of 3 N acts on a 1 kg object. What is its acceleration?

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Grade 12 Challenge: Think Like a Scientist

Challenge

Surprising questions and thought experiments that test real scientific reasoning.

e.g. Why does a metal ship float when a metal nail sinks?

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