Streak · 7 days+185 XP
7-Day Question Streak
Write down one question you are curious about each day and find a reliable source that answers it. Check in daily.
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Education · Facts & stats · iChallenge network
The Research Challenge
Daily facts and stats about research and the scientific method, plus real challenges to put them to work.
Warm-up questionNot ranked · tap an answer
What is the group in an experiment that does not receive the treatment called?
The control group gives a baseline so researchers can see the effect of the treatment.
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Run a Kitchen Experiment
Design a simple safe experiment, like which paper towel absorbs most water, with a control and post your results.
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Check a Claim
Pick a surprising claim you've heard and trace it back to its original source. Post a short write-up of what you found.
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Streak · 10 days+200 XP
10-Day Research Log Streak
Spend ten minutes a day on a research topic and log one note with its source. Check in each day.
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By the numbers
Live counts from ResearchChallenge.com. All arena stats →
Facts in the pack12
Visitors, 30 days45
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Questions
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How does the daily round work?
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
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100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
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