You're on track to get doubled donations (and unlock a reward for the colleague who referred you). Keep up the great work!
Take credit for your charitable giving! Check out your tax receipts

In a rush to make a major tax-deductible gift before the year's end? Purchase account credits and choose projects later!

Time is running out! Make your tax-deductible gift before midnight on December 31.

To use your $50 gift card credits, find a project to fund and we'll automatically apply your credits at checkout. Find a classroom project
Are you a public school teacher in need of funding? Get funded »

Are you a teacher? Create a project in 10 minutes and get what you need for your students. Tap here to start.

Skip to main content

We're a charity that makes it easy for anyone to help a classroom in need. Your gift is tax-deductible.

Your school email address was successfully verified.

Edit cover photo

Uncertain Principles Challenge 2009

Part of: Seed Media Science Blogs edit
  • $8,831raised
  • 24projects funded
  • 1,966student learning experiences
  • 22schools served
  • 24teachers supported
Emmy badly wants you to donate to one of the projects below. And don't you want to make her happy?
Edit description
Start my own page
{"challengeId":24241,"stats":{"active":0,"funded":24,"donors":44},"shouldSaveChallengeIdCookie":false,"challenge":{"id":24241,"type":"Challenge","donorId":44165,"name":"Uncertain Principles Challenge 2009","URL":"","shuffleProjects":true,"landingTab":"HISTORICAL","isPartnerPage":false},"challengeName":"Uncertain Principles Challenge 2009","vanityType":"challenge","isGivingPage":true}