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Everyday Learning
Free Coffee Knowledge Flashcards
From bean species to brew ratios, coffee has a genuine body of knowledge that separates guessing from good cups. A fun deck to study — and proof that flashcards work for hobbies, not just exams.
Study these 10 starter cards
QUESTION
Tap the card to reveal the answer
QWhat are the two main commercial coffee species?
AArabica and Robusta
QWhich species has more caffeine?
ARobusta (roughly double Arabica)
QWhat is espresso?
ACoffee brewed by forcing hot water through finely-ground beans at ~9 bars of pressure
QWhat is a cappuccino?
AEspresso with steamed milk and a thick layer of milk foam (classically ~1/3 each)
QWhat brew ratio is a common pour-over starting point?
AAbout 1:16 — 1 g coffee per 16 g water
QWhat water temperature suits most brewing?
AApproximately 90–96°C (195–205°F)
QWhy grind beans just before brewing?
AGround coffee loses aroma quickly through oxidation
QWhat is "crema"?
AThe golden foam atop espresso, from emulsified oils and CO₂
QLight vs dark roast — which tastes more acidic?
ALight roast (dark roasting reduces acidity, adds roasted bitterness)
QWhere did coffee originate?
AEthiopia
Turn these into lasting memory
Reading answers is recognition — remembering them next month takes spaced repetition. Build your own coffee knowledge deck and we'll schedule every review at the right moment.
Create your free deck →How to study coffee knowledge with flashcards
- One fact per card. Taste-test your cards: after reviewing a brew fact, apply it at the machine — hobby decks stick fastest through practice.
- Rate honestly. After each card, choose Again, Hard, Good, or Easy — the spaced repetition algorithm uses your answer to decide when the card returns, right before you'd forget it.
- A few minutes daily beats marathons. Ten new cards a day is roughly 3,650 a year, retained. Deep dives: How to stay consistent with studying · Why you forget what you study.
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