10 principais nationalgeographic.org concorrentes

natgeokorea.com

은 9/11 사건을 겪은 목격자, 영웅, 그리고 생존자들의 이야기를 통해 당시의 이야기를 상세하게 들려준다. 9/11 테러 20주년을 추...

arcgis.com

Scene Viewer empowers everyone to explore geospatial data in 3D, directly in a browser on desktop & mobile devices.

ecosia.org

ecosia uses the ad revenue from your searches to plant trees where they are needed the most. by searching with ecosia, you’re not only reforesting our planet, but you’re also empowering the communities around our planting projects to build a better future for themselves. give it a try!

newsela.com

Nurturing confident writers.

ducksters.com

a fun activities and games site covering subjects such as sports, animals, history, science, geography, jokes, math, and biographies. pages are written to be easy to read and understand.

extern.com

Build, hack, and defend real IoT infrastructure, then hand your security playbook to an actual company. You’ll launch realistic cyberattacks - from spoofing and replay to unauthorized shutoffs, and implement defenses like TLS and mTLS.

edpuzzle.com

Easily create beautiful interactive video lessons for your students you can integrate right into your LMS. Track students' progress with hassle-free analytics as you flip your classroom!

transum.org

A large collection of free interactive online activity supporting the teaching and learning of Mathematics.