Student text approved for use in Ontario schools, Dec. 23, 2009, science and technology, grade 1, supporting the curriculum guideline: The Ontario curriculum, grades 1-8: science and technology, 2007.
Trillium List 2009.
Content Note
[v.1].Living things - [v.2].Materials, objects, and structures - [v.3].Energy in our lives - [v.4].Daily and seasonal cycles.