7-Day Silver Lining Streak
Each evening write down one silver lining from your day, however small. Check in once a day.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Science · Facts & stats · iChallenge network
Daily facts and stats about silver, plus real challenges to put them to work.
Sterling silver is made of what percentage of silver by weight?
Sterling silver is 92.5% silver, usually alloyed with copper for extra strength.

One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Each evening write down one silver lining from your day, however small. Check in once a day.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Find five silver-colored things on a walk or around your home and post a photo link or a short list.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Clean a silver or silver-colored item with a soft cloth and post a before-and-after photo link or write-up.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Live counts from SilverChallenge.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on SilverChallenge.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
Play today's quiz round, post your score, and start a streak.
XP, levels, streaks and badges. Save your progress with an email and it follows you to every arena on the iChallenge network.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
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.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.