Nelson Canada has all of its digital versions of text books for free right now. All subjects, all grades. Click on the image and follow instructions on the webpage.
Science
Science Lessons for every grade based on the Ontario curriculum.
DSB1 STEM Site
Variety of Stem, Coding & Maker Space Resources & Activities
Best Science Websites for Tween & Teens
Curated List of excellent Science Websites
National Geographic
Resources are available for pre-K to higher education in formats such as activities, videos, photos, interactives, maps, educator guides, and more.
Interactive Science Simulations
Simulations, lessons & tips for using. Find how to integrate with Google Classroom here.
PBS Education
Lessons, websites, videos and more.
List of Science Websites
Let's Talk Science
Let's Talk Science provide free educational resources for Canadian science educators, students and families. Featuring hands-on activities, interactives, videos and much more!