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.
"Below are some great YouTube channels for science. If you are a science teacher and you need some useful resources where you can search for and find educational science videos, then the list below would be of great help. Some of the channels listed below have thousands of subscribers featuring some of the best science videos online."