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Biology, chemistry and physics. Free AP practice, topic notes and simulations.

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AP Biology Practice →Past AP Biology exams with explanations, scoring guidelines, topic notes and animations.
8 units
  1. Unit 1 · Chemistry of Life
  2. Unit 2 · Cells
  3. Unit 3 · Cellular Energetics
  4. Unit 4 · Cell Communication and Cell Cycle
  5. Unit 5 · Heredity
  6. Unit 6 · Gene Expression and Regulation
  7. Unit 7 · Natural Selection
  8. Unit 8 · Ecology
AP Chemistry Practice →Past AP Chemistry exams with explanations, scoring guidelines, topic notes and animations.
9 units
  1. Unit 1 · Atomic Structure and Properties
  2. Unit 2 · Compound Structure and Properties
  3. Unit 3 · Properties of Substances and Mixtures
  4. Unit 4 · Chemical Reactions
  5. Unit 5 · Kinetics
  6. Unit 6 · Thermochemistry
  7. Unit 7 · Equilibrium
  8. Unit 8 · Acids and Bases
  9. Unit 9 · Thermodynamics and Electrochemistry
AP Physics 1 Practice →Past AP Physics 1 exams with explanations, scoring guidelines, unit-by-unit notes and simulations.
9 units
  1. Unit 1 · Kinematics
  2. Unit 2 · Force and Translational Dynamics
  3. Unit 3 · Work, Energy, and Power
  4. Unit 4 · Linear Momentum
  5. Unit 5 · Torque and Rotational Dynamics
  6. Unit 6 · Energy and Momentum of Rotating Systems
  7. Unit 7 · Oscillations
  8. Unit 8 · Fluids
  9. Older exams only (no longer on AP Physics 1)
AP Physics 2 Practice →Past AP Physics 2 exams with explanations, scoring guidelines, unit-by-unit notes and simulations.
8 units
  1. Unit 9 – Thermodynamics
  2. Unit 10 – Electric Force, Field, and Potential
  3. Unit 11 – Electric Circuits
  4. Unit 12 – Magnetism and Electromagnetism
  5. Unit 13 – Geometric Optics
  6. Unit 14 – Waves, Sound, and Physical Optics
  7. Unit 15 – Modern Physics
  8. Older exams only (no longer on AP Physics 2)
AP Physics C: E&M Practice →Past AP Physics C: Electricity and Magnetism exams with explanations, scoring guidelines, topic notes and animations.
6 units
  1. Unit 8 · Electric Charges, Fields, and Gauss’s Law
  2. Unit 9 · Electric Potential
  3. Unit 10 · Conductors and Capacitors
  4. Unit 11 · Electric Circuits
  5. Unit 12 · Magnetic Fields and Electromagnetism
  6. Unit 13 · Electromagnetic Induction
AP Physics C: Mechanics Practice →Past AP Physics C: Mechanics exams with explanations, scoring guidelines, topic notes and calculus-based animations.
7 units
  1. Unit 1 · Kinematics
  2. Unit 2 · Force and Translational Dynamics
  3. Unit 3 · Work, Energy, and Power
  4. Unit 4 · Linear Momentum
  5. Unit 5 · Torque and Rotational Dynamics
  6. Unit 6 · Energy and Momentum of Rotating Systems
  7. Unit 7 · Oscillations