
PhET is a very good platform that offers free interactive simulations to help students develop a an informed understanding of a variety of phenomena covering science, physics and math. These simulations come to life via the use of graphics, interactive controls, sliders and radio buttons. Students can easily manipulate its intuitive interface and even get animated feedback and responses as they navigate their way through simulations.

World Library of Science is a very good resource for teachers, students and science enthusiasts. The library offers a wide variety of science resources in the form of eBooks, articles, videos, and audio. “The content of the World Library of Science is meant to inspire more learning and curiosity, and help train students and teachers alike, both in the content and cultural impacts of scientific discovery.”

With the help of the world’s best wildlife filmmakers and photographers, conservationists and scientists, we are creating an awe-inspiring record of life on Earth.Freely accessible to everyone and preserved for the benefit of future generations, ARKive is a truly invaluable resource for conservation, education and public awareness.

Instructables is an educational website and mobile app where you can have access to a treasure trove of instructional videos and how-to guides covering a wide variety of topics from science experiments to amazing inventions. If you need some new ideas for your next classroom maker project, Instructables offers a library of over 100k of do-it-yourself projects created and shared by members of the community which amount to 2 million members. Additionally, you and your students can create your own projects and upload them to the site and share your ideas with other teachers.

Mystery Science is a cool website that provides elementary teachers with with a variety of lessons to inspire kids to love science. Each lesson starts with a short video, followed by comprehension questions and a hands-on activity.

The Lawrence Hall of Science
The Lawrence Hall of Science provides a rich library of interactives covering different scientific phenomena. Students can use them in hands-on activities to design, test, and discover amazing things about science. The resources in this website are arranged into different categories including: After School Kids Science (contains science activities specifically designed for kids in grades 3 and 5); Check out Science (You and your budding scientist read a nonfiction book from Seeds of Science/Roots of Reading curriculum, then follow the instructions on the included activity card), Explore the World (interactives to help you virtually discover the world) and many more.
The Lawrence Hall of Science provides a rich library of interactives covering different scientific phenomena. Students can use them in hands-on activities to design, test, and discover amazing things about science. The resources in this website are arranged into different categories including: After School Kids Science (contains science activities specifically designed for kids in grades 3 and 5); Check out Science (You and your budding scientist read a nonfiction book from Seeds of Science/Roots of Reading curriculum, then follow the instructions on the included activity card), Explore the World (interactives to help you virtually discover the world) and many more.

Science Buddies is another great website for science teachers. It “ 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, Science Buddies puts comprehensive, scientist-authored tools, tips, and techniques at your fingertips.”

Science is Fun
Science Is Fun is a platform that provides various hands-on science activities and experiments. Most of these activities can be done at home. The purpose behind these experiments is to introduce and teach students about basic science concepts through fun activities.
Science Is Fun is a platform that provides various hands-on science activities and experiments. Most of these activities can be done at home. The purpose behind these experiments is to introduce and teach students about basic science concepts through fun activities.

Online Science
Museum of Science + Industry Chicago features an entire section on science called "Online Science". The page contains multiple resources for science teachers such as science games and apps, videos explaining different scientific phenomena, and fun activities for learning about science. Online Science also has a podcast service that teachers can use to listen to discussions and talks around different science concepts.
Museum of Science + Industry Chicago features an entire section on science called "Online Science". The page contains multiple resources for science teachers such as science games and apps, videos explaining different scientific phenomena, and fun activities for learning about science. Online Science also has a podcast service that teachers can use to listen to discussions and talks around different science concepts.

Science Friday
Science Friday is another excellent resource for science teachers. It offers lesson plans, videos, readings, hands-on activities and several other materials ideal for classroom use.
Science Friday is another excellent resource for science teachers. It offers lesson plans, videos, readings, hands-on activities and several other materials ideal for classroom use.

SciCentral
Use SciCentral as your gateway to the best sources in science. This site has a literature search, journals, databases, and other great tools for finding what you need.
Use SciCentral as your gateway to the best sources in science. This site has a literature search, journals, databases, and other great tools for finding what you need.

Strategian
Strategian is a great place to find quality information in all fields of science. Featured resources include free full-text books, patents, and reports, as well as full-text journal and magazine articles, plus a special collection of Vintage Biology with important articles and books in biology.
Strategian is a great place to find quality information in all fields of science. Featured resources include free full-text books, patents, and reports, as well as full-text journal and magazine articles, plus a special collection of Vintage Biology with important articles and books in biology.

Science Netlinks is a great resource website for science teachers. I came across it while I was compiling a list of the best science games for students. Science NetLinks is a project of the Directorate for Education and Human Resources Programs of the American Association for the Advancement of Science. At Science NetLinks, you'll find teaching tools, interactives, podcasts, and hands-on activities, and all of it is free! Science Netlinks provides a wide variety of science lesson plans and other materials that teachers can use with their students in class.

Science Books Online lists free science e-books, textbooks, lecture notes, monographs, and other science related documents.

Science 360
Science 360 is another great library of science videos that teachers can use with their students. Videos in Science 360 are searchable either via topic or through series.
Science 360 is another great library of science videos that teachers can use with their students. Videos in Science 360 are searchable either via topic or through series.

Reactions Everyday Science
Reactions Everuday Science is a YouTube channel that provides illustrative tutorials and videos on different scientific events.
Reactions Everuday Science is a YouTube channel that provides illustrative tutorials and videos on different scientific events.