The Association of Universities and Colleges of Canada administers a number of scholarships and internships for Canadian Students.
Check the AUCC website: https://juno.aucc.ca/wes/hes.aspx?pg=974 to see whether you qualify for any of them. Some are specific to geographic region and/or subject.
First year students should check their eligibility regarding the 2014 Fessenden-Trott Scholarship. It is worth $9000 and is renewable up to three years!