Subjects

Topics follow the AAMC content categories for the MCAT science sections.

Subjects

GC

General Chemistry

16 topics, from ions and bonding to electrochemistry and gases.

Available
BB

Biology & Biochemistry

16 topics, from amino acids and metabolism to the immune system and biotechnology.

Available
OC

Organic Chemistry

7 topics, from hybridization and stereochemistry to spectroscopy and reactions. Every structure is drawn and checked by software.

Available
PH

Physics

8 topics, from motion and forces to optics and heat, with diagrams drawn from each problem’s numbers.

Available
PS

Psychology & Sociology

15 topics covering every content category, from sensation and memory to social inequality.

Available
CA

CARS

Passage-based reading practice.

In development

Over 6,000 questions, each with an explanation.

General Chemistry

16 topics · Bonding, stoichiometry, gases, thermodynamics, kinetics, acids and bases, and electrochemistry.

  • General Chemistry question in Quanta: VSEPR shapes and hybridization
    VSEPR shapes and hybridization
  • General Chemistry question in Quanta: Gas law problems with worked math
    Gas law problems with worked math
  • General Chemistry question in Quanta: Galvanic cells
    Galvanic cells
  • General Chemistry question in Quanta: Buffers and Henderson–Hasselbalch
    Buffers and Henderson–Hasselbalch

Biology & Biochemistry

16 topics · From amino acids and metabolism to organ systems, genetics and the immune system, with textbook-style diagrams.

  • Biology & Biochemistry question in Quanta: The cell cycle and its checkpoints
    The cell cycle and its checkpoints
  • Biology & Biochemistry question in Quanta: The action potential
    The action potential
  • Biology & Biochemistry question in Quanta: The citric acid cycle
    The citric acid cycle
  • Biology & Biochemistry question in Quanta: Nephron segments and their jobs
    Nephron segments and their jobs

Organic Chemistry

7 topics · Structure, stereochemistry, spectroscopy, separations and the reactions the MCAT tests, with every molecule drawn.

  • Organic Chemistry question in Quanta: Hybridization on real structures
    Hybridization on real structures
  • Organic Chemistry question in Quanta: R or S at a highlighted stereocenter
    R or S at a highlighted stereocenter
  • Organic Chemistry question in Quanta: Reading ¹H NMR spectra
    Reading ¹H NMR spectra
  • Organic Chemistry question in Quanta: Predicting reaction products
    Predicting reaction products

Physics

8 topics · Motion, energy, fluids, circuits, waves, optics and heat. Calculation questions use new numbers each time, and the diagram is redrawn to match.

  • Physics question in Quanta: Forces on an incline, with the worked solution
    Forces on an incline, with the worked solution
  • Physics question in Quanta: Series and parallel circuits
    Series and parallel circuits
  • Physics question in Quanta: Lenses and image distance
    Lenses and image distance
  • Physics question in Quanta: Pulleys and mechanical advantage
    Pulleys and mechanical advantage

Psychology & Sociology

15 topics · Sensation, memory, learning, identity, social behavior and social structure, built around the theories the MCAT names.

  • Psychology & Sociology question in Quanta: Maslow’s hierarchy of needs
    Maslow’s hierarchy of needs
  • Psychology & Sociology question in Quanta: Erikson’s stages, matched
    Erikson’s stages, matched
  • Psychology & Sociology question in Quanta: Reinforcement schedules
    Reinforcement schedules
  • Psychology & Sociology question in Quanta: The demographic transition
    The demographic transition

CARS

In development · Passage-based reading practice for Critical Analysis and Reasoning Skills.