3 programs, side by side

Rows marked with a dot are where these differ. Everything is each university’s own published wording; the “your average” row is yours, calculated the way each program does it.

	Ottawa Chimie (4 ans) OUAC OZV Remove	U of T (Scarborough) Physical & Environmental Sciences - Health Sciences Stream (regular and co-op) OUAC TXH Remove	Waterloo Climate and Environmental Change (Regular/Co-op) OUAC WCE Remove
Your average, their wayrequired courses forced in
Published rangetheir exact wording	75–80%“75%; co-op 80%”	73–80%“Mid-70s (regular), high 70s (co-op)”	77–80%“High 70s”
Required coursesforced into your top 6 — options are the row below	MCV4U MHF4U	ENG4U MCV4U MHF4U	ENG4U
Choose one ofany of these satisfies it	one of ENG4U, FRA4U two of SBI4U, SCH4U, SES4U, SPH4U	—	one of SCH4U, SPH4U
Prerequisitesas published	FRA4U or ENG4U MHF4U MCV4U 2 of SPH4U, SCH4U, SBI4U, SES4U A combined minimum average of 70% is required for all prerequisites in science and mathematics. +3 more on the program page	ENG4U MCV4U MHF4 Science prerequisites (SPH4U or SBI4U) for specific disciplines are also required. SCH4U is recommended for specific disciplines. See U of T Scarborough's viewbook +1 more on the program page	English (ENG4U – min. 70%) Any Grade 12 U Mathematics (min. 70%) Chemistry or Physics
More than marks?supplementary application	Marks only	Marks only	Marks only
Co-op	Available	Available	Available
Degree	Bachelor of Science, BSc, Bachelor of Science (Co-op), BSc (Co-op)	—	—
First-year intakewhere published	—	340	5
What you study	Chemistry	Astronomy Chemistry Environmental Studies Geology	Chemistry Environmental Studies Human Geography Physical Geography
What it is	Chemistry is the study of matter, reactions, and how substances interact and change. This program lets you choose between a standard four-year degree or a co-op option that includes paid work terms at companies or labs, giving you real workplace experience alongside classroom learning. It suits students who enjoy hands-on experimentation and problem-solving with chemicals and materials, and who want either a direct path to further study or early exposure to chemistry careers.	You study physical sciences — chemistry, physics, geology, and environmental topics — with a focus on how they connect to human health and the living world. This stream emphasizes the intersection between earth and life sciences rather than pure physics or chemistry alone. The co-op option lets you do paid work terms at relevant employers alongside your degree. It suits students interested in environmental health, toxicology, or science careers that bridge the natural world and wellness.	You study how Earth's climate and environment work, using chemistry, physics, and geography to understand weather systems, ecosystems, and human impacts. This program combines natural science with social geography, so you examine both the physical causes of environmental change and how people and communities respond to it. It suits students curious about climate science who want hands-on experience through co-op placements alongside their coursework.
The door tomajors you reach through it	Applied to directly	health sciences	Applied to directly
Entrance awardsat this campus, by average	22 published, 5 with no applicationfrom 75%See them	4 published, 4 with no applicationfrom 85%See them	4 published, 3 with no applicationfrom 80%See them
Source	University of Ottawa on OUInfo	University of Toronto — Scarborough on OUInfo	University of Waterloo on OUInfo

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Ranges are what each university publishes, not guaranteed cutoffs, and limited-enrolment programs often admit above them. Confirm anything you are about to act on with the university; each column links to its source.