Science flashcards
Learn how the body works and what fills our Solar System. These science decks hold forty facts each, from the number of bones in your skeleton to the moons of Jupiter, written and checked by our team. A short daily Zap brings five new cards, and the facts you miss return sooner than the ones you know, so they stick. You can start right away, with no account.
Try Human body
Question
Number of bones in the adult human body
Show answer
206
Question
Largest organ of the human body
Show answer
The skin
Question
Largest bone in the human body
Show answer
The femur (thigh bone)
Science decks
Human body
Bones, organs, blood and cells: 40 facts about how the human body is built and how it works, from the skeleton to DNA.
40 cards · meet them all in 8 days
About 2 min a day
Sample: Chemical elements
Symbols of common chemical elements, a short sample deck with a few easy cards.
5 cards · meet them all in 1 day
About 1 min a day
Sample: Planets
The planets of the solar system, a short sample deck to try the science category.
5 cards · meet them all in 1 day
About 1 min a day
Solar System
The planets, moons and missions of our Solar System, from Mercury to the Kuiper Belt, with the people who discovered them.
40 cards · meet them all in 8 days
About 2 min a day
Test deck
Five easy cards for tests and previews. Seeded locally, in CI and on staging, never in production.
5 cards · meet them all in 1 day
About 1 min a day