KIDS Discover Nonfiction with photo galleries and quizzes. Includes lesson plans, infographics, spotlights, quick reads, and activities.
NASA's Climate Kids Includes resources, videos, games, simulations, activities for weather & climate, Air, Ocean, Fresh Water, Carbon's Travels, Energy, Plants and Animals, and Technology
Discovery Education Includes free resources and videos for teachers, parents and students and provides information on STEM initiative
TED Ed Includes lessons and videos and much more (search by content area)
Science for Kids Includes lessons and videos from all areas of Science and much more
Hands On Science Projects Provides resources for a variety of Hands on Science projects
PBS Teachers Provides resources by grade band and content area
Defined STEM Provides definitions for STEM, links to resources and documents
STEM Foundations Created by ADE, this site provides videos, lessons and classroom instructional strategies, materials and assessments that support the seven STEM foundations.
Second Grade Level Lesson Plans for Science Provides variety of lesson plans. You may need to explore other grade levels to find activities that match frameworks
BrainPop Science Variety of resources for areas of Science
ScienceBob Variety of experiments, research, videos, and more