STAO has thousands of resources available for Ontario teachers. Members should login to see the full suite of available resources.

Use the search filters to sort by resource or media type, grade level, or strands or other topics. You can also search using the search box on the left of your screen, or simply by scrolling through the available resources.

View postings from the STAO Blog.

Stellar Tips for Solar Eclipse Safety

Safety is the number-one priority when viewing a total solar eclipse. The Canadian Association of Optimists has provided some tips that will help you enjoy watching an eclipse safely.  To access this content, you must purchase School Membership (Small), Regular One... read more

Science Safety Administrative Procedures


This document is an example of an administrative procedure for science departments for use by boards in Ontario. The purpose of this document is to help boards compare their current procedures and documentation, where they exist, and create one for those where they... read more

Centre of Gravity Stations Lesson Plan


Written by Jasmine Sollen, Don Galbraith Award Recipient 2023, Brock University. This lesson plan is intended for Grade 7 Strand D, Structures and Mechanisms. The topic is centre of gravity and stability based on expectation D2.2 (describe ways in which the centre of... read more

Build a Pig House


Written by Larissa Crawley, Don Galbraith Award Recipient 2023, Nipissing University. This activity could be used on its own as a STEM challenge in any classroom, or could be used as a performance task within a unit. The complexity of the task can be made more... read more