Science

OpenSciEd

Mystery Science (Free lessons available)
Inquiry-based K–5 science lessons with ready-to-teach videos and materials.

CK-12
Customizable digital textbooks and simulations for all grade levels.

PhET Interactive Simulations
Free virtual labs and science simulations.

Next Gen Science Storylines
NGSS-aligned unit plans with 3D learning models.

TeachEngineering
Free STEM lessons, hands-on projects, and engineering challenges.

Concord Consortium
Interactive models and NGSS-aligned resources.

NASA for Educators
STEM curriculum, posters, videos, and space-themed lesson content.