Within the scholarship program RISE Worldwide, the DAAD offers summer research internships to German undergraduate students with academic training in biology, chemistry, physics, earth sciences, engineering, or a closely related field.
The general application process for internships worldwide starts on November 1, 2017, deadline is December 15, 2017. If you are interested in an internship in Canada, please apply between the end of July and mid-September 2017.
You can download the detailed information on RISE Worldwide 2018 here (only in German) and read more on the DAAD website.