WikiCards · Card list · Science cards · Earth's outer core
Uncommon card · Science
Earth's outer core, an Uncommon card
Earth's outer core is a fluid layer about 2,260 km thick, composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 67
- DEF
- 65
- Power
- 132
- Wikipedia reads a year
- 62,000
Power 132 (ATK + DEF): stronger than 70 % of WikiCards cards.
Earth's outer core quiz: 3 questions
Three questions on the Earth's outer core card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Which of these cards hits hardest (highest ATK)?
Answer
Positional notation. Positional notation 77 · Group theory 73 · Earth's outer core 67 · Cardiac cycle 64 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Group theory. Group theory 120,000 · Cardiac cycle 91,000 · Earth's outer core 62,000 · List of WWE Hardcore Champions 49,000 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- The outer core begins approximately 2,889 km beneath Earth's surface at the core-mantle boundary and ends 5,150 km beneath Earth's surface at the inner core boundary.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Earth's outer core article was read about 62,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 67 and blocks with 65: each hit it takes is cut by 26 %.
How to get Earth's outer core
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Earth's outer core in the power ranking, all domains together.
- Jakob AmmannUncommon · Science · ATK 63 DEF 69
- Operation Trojan ShieldUncommon · Society · ATK 70 DEF 62
- SpratUncommon · Nature · ATK 63 DEF 69
- Baroda StateUncommon · History · ATK 71 DEF 61
- Positional notationUncommon · Science · ATK 77 DEF 55
- Madeleine of ValoisUncommon · History · ATK 66 DEF 66
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Earth's outer core (revision), CC BY-SA 4.0. Photo : Surachit, CC BY-SA 3.0, Wikimedia Commons.
