7-Day Tree Spotting Streak
Identify one broadleaf tree each day by its leaves or bark and note its name. Check in daily.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Nature · Facts & stats · iChallenge network
Daily facts and stats about hardwood, plus real challenges to put them to work.
Balsa, one of the lightest woods, is botanically classified as what?
You went

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.
Identify one broadleaf tree each day by its leaves or bark and note its name. Check in daily.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Find a cut log, stump or wooden slice, count its growth rings and post a photo link or short write-up of the tree's age.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Collect fallen leaves from five hardwood trees, such as oak or maple, label them and post a photo link or list.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Live counts from HardwoodChallenge.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 HardwoodChallenge.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.
Yes — pros and homeowners rank on separate boards when flagged.
Home-trade challenges link into the network's verified pro directory.
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.