Terry O'Neill

4A4B4D · PHY4A4B · PHY4A · 4A · PHYSI4B · PHY4AB · PHYS10 · PHYS4A · MAT10 · PHY10 · PHYABCD · PHY4B · PHY4D · 68 lifetime ratings

AI rating: 79/100
RMP rating: 4.4/5
Take again: 57.14%
Difficulty: 3.6

The decision

if you want deep physics mastery and will put in real work; skip if you need an easy A.

Best fit · Hardcore LearnerPhysics GeniusAmazing LecturesHard but FairHomework EssentialInspirational

Widely praised as a , and inspiring physics teacher.
Courses especially the 4-series are hard and .
Success depends on office hours, staying current, and test preparation.

Key questions

Four answers before you build your schedule.

Is this an easy A?

HardWork

36/100

Students repeatedly say this is not an easy A; and .

Online note is more optimistic if work is done; .

Is the course easy?

Challenging

28/100

Physics 4-series content is calculus heavy, fast, and often called brutal without strong math prep.

PHY10 can feel easier; .

Is attendance flexible?

Mandatory

28/100

and warn that skipping leaves you behind.

A ; most upper physics sections mark mandatory.

Is this professor recommended?

WorthIt

68/100

Strong teaching praise outweighs difficulty complaints for students who want to truly learn physics.

Online single review is highly positive; .

Course guide

See how this professor fits your week.

Grading

Fair

48/100

, but tests can be harsh and unforgiving.

Format shift

the one online review.

Workload

Heavy

32/100

and serious study load are core to passing.

Format shift

as the path to learning; in-person volume notes are denser.

Teaching experience

Excellent

88/100

Students call him a genius with and real passion for physics.

Format shift

In-person supermajority is glowing; one online review also praises lectures.

Assessment method

Balanced

58/100

, and to exams.

Format shift

In-person details grading splits and .

Luni fit check

Weigh these signals against your actual schedule.

Get help balancing workload, grading, and timing when no option is an obvious fit.

Course format

Compare the in-person and online experience.

Classroom format

In person

49 reviews

High confidence · Best fit for Hardcore Learner

In-person consensus is that he is an elite physics lecturer with , and strong office-hour support.

Main concern

and fast calculus-heavy pace, especially in PHY4B.

What students said

“Dr. O'Neill is the . No one has come close.”
PHY4D

“He is a GOD! 10/10 would recommend.”
PHY4A

“ and are extremely calculus heavy.”
PHY4B

Remote format

Online

1 reviews

Low confidence · Best fit for Hardcore Learner

One online PHY4D review praised great lectures and .

Main concern

; single-sample online data.

What students said

“If you put in the and attend office hours, the class will be a breeze.”
PHY4D

Exam style

Know what to expect from exams and major assignments.

Exams are tough and concept-driven; .

Hard TestsHomework LinkedConcept HeavyCurve Sometimes

Assessment risk

Standard

44/100

Low score means less forgiving assessment conditions.

In person

as very tough, sometimes unreasonable, and homework-aligned.

Hard TestsDrop One Test SometimesCurveHomework Similarity

“His tests are very tough, but test easily.”
PHY4A

“While homeworks are graded and unreasonable.”
4A

“This class is not an easy A, no upper division physics course will be.”
4A

Online

Online review emphasizes homework learning .

Conceptual HomeworkOffice Hours Help

“The homeworks will help you learn a lot especially because there are no numbers to plug in”
PHY4D

Student evidence

See what students actually said.

Top student voice
“Dr. O'Neill is the . No one has come close.”
Voice snapshots generated from 50 reviews (1 online, 49 in person) emphasizing elite teaching and hard physics workload. Credibility rating: High.

🧠 Teaching Excellence

88/100

“He breaks everything down so well and he would just make me be in a state of wonder, in a good way.”

🔥 Difficulty Reality

28/100

“This class is not an easy A, no upper division physics course will be.”

👍

68/100

“If you're lazy you won't pass; you get what you give to this class.”

📚

35/100

“just make sure you stay on top of because that is the key to passing this class.”

Theme 1

👨‍🏫 About Teaching Style

His lectures are superb and you will learn a lot if you pay attention
He is a GOD! 10/10 would recommend
and are extremely calculus heavy

Theme 2

📈 About Difficulty and Grades

and unreasonable
to getting an A on exams

Theme 3

❤️ About Character

always willing to help students, never blows off students
He encourages questions and will NEVER make you feel stupid for asking
inspiring, and

Data context

See exactly what the AI read.

Analysis sample

Recent reviews read by the AI

Lifetime ratings

90/100

Evidence confidence

50 reviews over many years show consistent praise for brilliance and consistent difficulty warnings.

Inside 50 stored ratings

Quality ratings

5 out of 546

4 out of 514

3 out of 55

2 out of 51

1 out of 52

Course coverage

PHY4A13 reviews

PHY108 reviews

PHY4B8 reviews

4A4 reviews

PHYS4A4 reviews

Show 8 more courses

PHY4D3 reviews

PHYS103 reviews

PHY4A4B2 reviews

4A4B4D1 review

MAT101 review

PHY4AB1 review

PHYABCD1 review

PHYSI4B1 review

Reported outcomes

A range results lead the reported letter grades.

14 reported outcomes

A range

A+ 2 · A 6

B range

B 4

C range

No reported values

D range

D 2

F

No reported values

No letter grade reported

No reported values

Terry O'Neill

x x if you want deep physics mastery and will put in real work; skip if you need an easy A.

Four answers before you build your schedule.

HardWork

Challenging

Mandatory

WorthIt

See how this professor fits your week.

Compare the in-person and online experience.

Know what to expect from exams and major assignments.

In person

Online

See what students actually said.

🧠 Teaching Excellence

🔥 Difficulty Reality

👍 x x x

📚 x x x

👨‍🏫 About Teaching Style

📈 About Difficulty and Grades

❤️ About Character

See exactly what the AI read.

Quality ratings

Course coverage

A range results lead the reported letter grades.

A range

B range

C range

D range

F

No letter grade reported

if you want deep physics mastery and will put in real work; skip if you need an easy A.

👍

📚