"Through a collaborative, state-led process managed by Achieve, new K–12 science standards have been developed that are rich in content and practice, arranged in a coherent manner across disciplines and grades to provide all students an internationally benchmarked science education. The NGSS is based on the Framework for K–12 Science Education developed by the National Research Council."

"The Science in The City research team is a collaborative group of science education researchers, teachers, and teacher educators looking to improve science teaching for all students."

"As part of its mission to advance excellent teaching in American schools, Annenberg Learner funds and distributes educational video programs – with coordinated online and print materials – for the professional development of K-12 teachers. Many programs are also intended for students in the classroom and viewers at home, with videos that exemplify excellent teaching. Annenberg Learner also partners with impactful organizations to provide other means of achieving this goal. As part of the Annenberg Foundation, Learner supports the Foundation’s mission to encourage the development of more effective ways to share ideas and knowledge."

"Welcome to the Association for Environmental and Outdoor Education – AEOE! We are a 501(c)(3) nonprofit serving outdoor and environmental educators in California, USA. Our mission is to advance the impact of environmental and outdoor education throughout the state."

"Engaging the rock-skipping frog-catching spirit that lives inside of each of us is at the heart of what we do at the Wisconsin Green Schools Network, and we offer Environmental Education for Kids (EEK!) as student-friendly content that teachers need as a catalyst to connect, explore, and engage in learning outside."

"This website provides information about EPA activities and programs that support environmental education, including professional development, youth and educator recognition, and grants. Environmental education increases public awareness and knowledge about environmental issues or problems. In doing so, it provides the public with the necessary skills to make informed decisions and take responsible action. "

"The Exploratorium isn't just a museum; it's an ongoing exploration of science, art, and human perception."

"NSTA provides national and international leadership in science education by identifying the qualities and standards for good science education; these are set forth in the form of position statements, which are used to support the improvement of science education at all levels."

"NOVA is the most-watched prime time science series on American television, reaching an average of five million viewers weekly."

"Explore natural phenomena and scientific practices with videos, lesson plans, and interactive tools."

"Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery."

"The award-winning, non-profit Science Buddies empowers K-12 students, parents, and teachers to quickly and easily find free project ideas and help in all areas of science from physics to food science and music to microbiology. Whether your goal is to find a fun science activity for your kids or win the international science fair, sciencebuddies.org puts comprehensive, scientist-authored tools, tips, and techniques at your fingertips."

"Founded in 1846, the Smithsonian is the world's largest museum and research complex, consisting of 19 museums and galleries, the National Zoological Park and nine research facilities."

"TeachEngineering is a digital library comprised of standards-aligned engineering curricula for K-12 educators to make applied science and math come alive through engineering design."

"Mission: To engage people of all ages and backgrounds in science and technology experiences that educate, inform, provoke thought, and inspire action. The Tech Museum does this through content and programs featuring "The Spirit of Silicon Valley" inspiring people, inventions and mind-set that continues to make this region the leading source of science and technology innovation."

"Located at Boston College’s Lynch School of Education and Human Development, IEA’s TIMSS & PIRLS International Study Center conducts regular international comparative assessments of student achievement in mathematics and science (TIMSS) and in reading (PIRLS) in more than 60 countries."

"Understanding Evolution is a non-commercial, education website, teaching the science and history of evolutionary biology. This site is here to help you understand what evolution is, how it works, how it factors into your life, how research in evolutionary biology is performed, and how ideas in this area have changed over time."

"The mission of Understanding Science is to provide a fun, accessible, and free resource that accurately communicates what science is and how it really works."