15 decks · 371 cards

Free flashcard decks

Ready-made decks for the facts every student has to memorize. Flip through them right here — no sign-up — or save one to your account and study it on your phone.

NCLEX Lab Values

NCLEX · 27 cards

Free NCLEX lab value flashcards: normal ranges and critical values for electrolytes, CBC, ABGs, coagulation, renal and liver panels, glucose, and drug levels.

MCAT Amino Acids

MCAT · 24 cards

Free MCAT amino acid flashcards: all 20 amino acids with three-letter and one-letter codes, side-chain classification, the essential nine, and key pKa facts.

AP Biology Unit 1: Chemistry of Life

AP Biology · 24 cards

Free AP Biology Unit 1 flashcards: water properties, hydrogen bonding, the four macromolecules, and functional groups, for the AP exam.

AP Psychology Research Methods

AP Psychology · 26 cards

Free AP Psychology research methods flashcards: variables, experimental design, sampling, reliability and validity, ethics, and descriptive statistics.

Spanish Core Verbs

Spanish · 24 cards

Free Spanish flashcards for the most frequent verbs: meaning plus the key irregularity or stem change for ser, estar, tener, hacer, ir, poder, decir and more.

Organic Chemistry Functional Groups

Organic Chemistry · 24 cards

Free organic chemistry flashcards on functional groups: structure, IUPAC naming, and key reactivity for alcohols, carbonyls, acids, esters, amides and amines.

Microbiology: Gram Stain & Pathogens

Microbiology · 24 cards

Free microbiology flashcards on the Gram stain: why cells stain purple or pink, plus key gram-positive and gram-negative pathogens and their diseases.

AP US History Founding Documents

AP U.S. History · 24 cards

Free APUSH flashcards on the founding documents: Declaration, Articles of Confederation, Constitution, Bill of Rights, Federalist papers, and key compromises.

SAT Math Formulas

SAT · 24 cards

Free SAT math flashcards for the formulas the test does not give you: slope, quadratics, the circle equation, exponent rules, trig ratios, and percent change.

AP Chemistry Polyatomic Ions

AP Chemistry · 24 cards

Free AP Chemistry flashcards for the polyatomic ions you have to memorize — name to formula and charge, plus the -ite/-ate, hypo-/per- and bi- naming patterns.

Cranial Nerves

Anatomy · 27 cards

Free flashcards for the 12 cranial nerves — number, name, sensory or motor or both, main function, classic mnemonics and how each nerve is tested clinically.

Pharmacology Drug Suffixes

Pharmacology · 26 cards

Free pharmacology flashcards on drug name stems — -olol, -pril, -statin, -conazole and more. Each card gives the class a stem signals and what it does.

Cell Organelles

Biology · 25 cards

Free biology flashcards on cell organelles and structures — nucleus, mitochondria, ER, Golgi, lysosomes and more, plus prokaryote versus eukaryote differences.

Cognitive Biases

Psychology · 24 cards

Free psychology flashcards on cognitive biases and heuristics — confirmation bias, anchoring, availability, sunk cost, hindsight bias and more, with examples.

Statistics Key Terms

Statistics · 24 cards

Free statistics flashcards defining the core terms — p-value, Type I and Type II error, confidence interval, central limit theorem, correlation and power.

Why pre-made decks work — and where they stop

For the memorization layer of a course — lab values, ion charges, cranial nerves, vocabulary — a good pre-made deck saves you the hours of card-building that stand between you and actually studying. These decks cover exactly that layer: the canonical facts that show up on the exam no matter which professor you have.

What they can't cover is your own class — the specific emphasis of your lectures, the notes you took, the chapter your professor cares about. That's the other half: Cram builds decks from your own material with AI and schedules every card with spaced repetition so it's still there on exam day.

How to actually use one of these decks

The failure mode with a pre-made deck is treating it like reading material — flipping through all 25 cards once, recognizing every answer, and concluding you know it. Recognizing an answer and producing one are different skills, and only the second is what an exam asks for.

  1. Answer out loud before you flip. Even a wrong attempt beats a passive reveal — the effort of retrieving is what makes the card stick. This is active recall, and it is the whole reason flashcards work at all.
  2. Cut what your course doesn't cover. Save the deck, then delete the cards outside your syllabus. A 20-card deck you finish daily beats a 30-card deck you abandon.
  3. Add your own cards next to them. The deck covers the canonical layer; your lectures are the part only you can supply. Keep both in one deck so they come up together.
  4. Cap the new cards, not the reviews. 10–20 new a day is sustainable. See how many flashcards per day for why the review load is the number that bites.

Questions about these decks

Are these flashcard decks free?
Yes. Every deck on this page is free to study right here in the browser — no account, no paywall, no ads. You only need a free account to save a deck into your own library, and saves are capped per day. Cram itself is a separate paid app for studying them with spaced repetition.
Do pre-made decks work as well as making your own?
For canonical facts, yes — and they save you hours. Writing your own cards does help you process the material, but that advantage only matters where the material is yours: your lecture emphasis, your professor's framing, your notes. Lab values, cranial nerves, polyatomic ions and irregular verbs are identical in every course that teaches them, so building those cards by hand is transcription, not studying. What actually drives retention is testing yourself on them repeatedly, whoever typed the card.
How many of these cards should I review per day?
Fewer new cards than feels right on day one. Adding 20 new cards a day puts you at 100+ daily reviews within two weeks, because every card you add comes back repeatedly — the review load is the part people underestimate. Start at 10–20 new per day and hold it steady rather than front-loading a whole deck the night you find it.
Can I edit a deck or add my own cards to it?
Yes — save the deck to your account and it becomes yours to edit. You can rewrite cards, delete the ones your course doesn't cover, and add your own alongside them, which is usually the right move: keep the canonical facts from the deck and add the specifics your class actually tests.
How do I study these with spaced repetition?
Flipping through a deck on this page is plain practice — useful, but nothing is scheduled. Spaced repetition needs to track what you got wrong and when to show it again, which happens in the Cram app once you've saved the deck to your account.
Is Cram free?
Cram is a paid app — no ads and no data-selling, just a simple subscription with a free trial on the annual plan. You can cancel anytime from your Apple account.
Start free trialFree trial · iPhone