David Kratzmann

INTROENV1 · GEO1ENV12 · GEOL20 · ENVIRO12 · GEOLOGY1 · GEOL1 · ENVS12 · GEO1 · 55 lifetime ratings

AI rating: 90/100
RMP rating: 4.5/5
Take again: 84.62%
Difficulty: 2.9

The decision

Strong pick for GEOL/ENVS credits if and ; hybrid/in-person lectures are the sweet spot.

Best fit · Beginner FriendlyPassionate AussieQuiz-focusedExtra creditClear Canvas structureInspiring science

Charismatic, funny geologist/ENVS professor who makes rocks and environment genuinely exciting.
and tasks instead of brutal timed finals; effort plus study guides earns strong grades.
Online can feel self-taught with uneven instructions or graph work, so and doing every module matter.

Key questions

Four answers before you build your schedule.

Is this an easy A?

EasyA

76/100

, and and most students land A/B ranges; tests exist in some GEO1 sections but are survivable with study guides.

; some in-person GEO1 still has midterms.

Is the course easy?

Beginner

64/100

and visuals, though terms, graphs, and occasional math tasks add challenge.

Online math/graph tasks frustrate .

Is attendance flexible?

MustTake

86/100

Large majority call him a favorite and gripes.

In-person enthusiasm is stronger; online is more mixed but still often positive.

Course guide

See how this professor fits your week.

Grading

Fair

68/100

Usually fair and fast with ; some call him a .

Format shift

Online and .

Workload

Light

62/100

Weekly quizzes and short tasks dominate; not featherlight but rarely overwhelming if you keep pace.

Format shift

Online modules two-per-week in summer still feel manageable for many.

Teaching experience

Excellent

89/100

Passionate, funny, structured Canvas, and contagious love of geology/ENVS for most students.

Format shift

In-person lectures score highest; pure async online slightly weaker.

Assessment method

Balanced

48/100

Mix of weekly quizzes, tasks/discussion, occasional research paper, and in some GEO1 .

Format shift

Several online GEOL20/ENVS12 sections report no formal exams.

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

37 reviews

High confidence · Best fit for Beginner Friendly

In-person lectures are entertaining, passionate, and often life-changing for environmental interest, with .

Main concern

A few older GEO1 complaints about sudden online shifts or .

What students said

“His lectures were absolutely wonderful... There are and discussion boards.”
ENVS12

“I never thought I could be interested in geology until I took his class.”
GEO1

“One of the and has made a real difference in how I see things”
ENVS12

Remote format

Online

13 reviews

Medium confidence · Best fit for Self Taught Pro

Online modules with quizzes, tasks, and ; a minority call graphs and instructions unclear without live lecture.

Main concern

Some terms felt self-taught with vague rubrics or unexplained graphs.

What students said

“There are NO tests, just weekly quizzes based on the reading (which are always easy to understand). ”
GEOL20

“the material was not presented in an easy-to-comprehend way... ”
GEOL1

“The and are very fun! !!”
GEO1

Exam style

Know what to expect from exams and major assignments.

and tasks; where exams exist they are study-guide based rather than surprise closed-book traps.

Weekly untimed quizzesNo exams in some sectionsStudy guidesExtra creditOccasional midterms (GEO1)

Assessment risk

StudentFriendly

78/100

Low score means less forgiving assessment conditions.

In person

In-person often ; reviews do not clearly prove lockdown proctoring.

Weekly quizzes3 midterms drop lowest (some terms)Research paperExtra credit

“You have 10 online quizzes, two tries at each of them and 3 midterms, but he drops the lowest score of the 3.”
GEO1

“There are and discussion boards.”
ENVS12

Online

Online reviews often report untimed multi-attempt quizzes, weekly tasks, and sometimes no exams; .

Untimed quizzesMultiple attemptsNo timed exam (some courses)Research paper occasional

“We did not have an and they were not timed.”
GEOL20

“There are ... quiz (not timed and 2 attempts)”
GEOL20

Student evidence

See what students actually said.

Top student voice
“Professor Kratzmann is the goat. Honestly the most fun I've had taking a class in a long time.”
Voice snapshots generated from 50 reviews (13 online, 37 in person), balancing lecture passion with async clarity issues. Credibility rating: High.

🎯 Teaching Quality

89/100

“ . . He discusses the material very well and is very passionate about his lectures.”

👍 Recommendation Rate

86/100

“ , so .”

📝 Assessment Friendliness

78/100

“There are (which are always easy to understand).”

⚠️ Online Clarity Gaps

40/100

“We had zero lectures and were just assigned difficult graphs that were not ever explained in hw or reading.”

Theme 1

👨‍🏫 About Teaching Style

super passionate about geology and makes class fun and engaging
Charismatic. Intelligent
he has a cool Aussie accent

Theme 2

📈 About Difficulty & Grades

If you put a little effort in to the
His classes are not especially difficult as long as you stay on top of the work
don't necessarily expect to be coddled

Theme 3

🌍 About Inspiration

His class is what made me decide to major in environmental science
I never thought I could be interested in geology until I took his class
renew my interest in science

Data context

See exactly what the AI read.

Analysis sample

Recent reviews read by the AI

Lifetime ratings

88/100

Evidence confidence

50 reviews across GEO1/ENVS12 online and in person over many years show stable passion praise with a minority async-instruction critique.

Inside 50 stored ratings

Quality ratings

5 out of 544

4 out of 53

3 out of 54

2 out of 52

1 out of 52

Course coverage

ENVS1222 reviews

GEO111 reviews

GEOL16 reviews

GEOL203 reviews

ENVIRO122 reviews

Show 5 more courses

GEO1ENV122 reviews

64421 review

64591 review

GEOLOGY11 review

INTROENV11 review

Reported outcomes

A range results lead the reported letter grades.

39 reported outcomes

A range

A+ 2 · A 22 · A- 2

B range

B+ 3 · B 4

C range

C+ 2 · C 1 · C- 1

D range

No reported values

F

No reported values

No letter grade reported

Not sure yet 1 · Rather not say 1

David Kratzmann

Strong pick for GEOL/ENVS credits if x x x x x and x x x; hybrid/in-person lectures are the sweet spot.

Four answers before you build your schedule.

EasyA

Beginner

Recommended

MustTake

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 Quality

👍 Recommendation Rate

📝 Assessment Friendliness

⚠️ Online Clarity Gaps

👨‍🏫 About Teaching Style

📈 About Difficulty & Grades

🌍 About Inspiration

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

Strong pick for GEOL/ENVS credits if and ; hybrid/in-person lectures are the sweet spot.