class is SO easy. take him, easiest class i've ever taken in college!

Did a lot of demos and had clear lectures but has a tendency to give questions on tests that were not like the homework,lecture,or book (well for the final @least).He really makes u think.Physics is an interesting but complicated.He was a good professor, the best of all the physics prof i've had (3). He's pretty cute too, looks like a grad student

Geller is a really cool guy..i went to all his lectures because they ARE really entertaining and you will definitely stay awake.he COULD improve on his teaching but its cool to see a professor that is passionate about teaching.He's not there to hold your hand so dont be a wuss,and just read.oh,and homework SUCKS but its the same for all professors.

Geller is a cool guy but his teaching is seriously flawed. His lectures are conceptual but his tests are difficult mathematic problems that are poorly written. You have to teach yourself the concepts or you will fail. attending class is often pointless since all he does are demos: entertaining but not helpful for the home work which takes forever!

geller makes it easy to pay attention in lecture since he loves teaching. he does a lot of demos. however his tests are a lot harder than the homework and the example problems that he does in class.

whoa he does a lot of demos! so what?!! they are useless. he is useless. he does not teach a thing. he is the worst professor i have had. it's ridiculous when he tries to explain things bc he can't if his life depended on it. his book sucks too. why? bc he wrote it!!

After his ridicluous midterm, I realized that I do not like Geller. Yeah, the class is entertaining, but he doesn't teach anything and you either have to learn it all from CLAS or from the book. His tests don't test you on anything he actually taught, so be careful

Awesome professor. The class was challenging, but in a good way. The tests are really well written. You don't actually have to read the book, just refer to it while doing homework (the online homework is pretty fun). If you enjoy problem solving you'll love this class.

He hasn't been writing as much on the board and is doing more demos since he received his teacher evaluations. Class is like watching an unrehearsed version of Bill Nye the Science Guy where some of the demos don't work.

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Geller is a pretty cool. Teacher. When speaking to him, he seems like a pretty nice guy. His lectures are somewhat helpful. You have to go over the chapters also though. His class takes up a lot of your time which is stressful but if you try hard it is not that bad. Masteringphysics homework gets annoying after a while but is crucial.

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Never had any prior classes in physics. Didn't do very well on the midterms, but with the curve I ended up with a B-. Get help from CLAS and use his office hours. Do well on HW because that's worth equally as a midterm. Does very fun and cool demos in class and class is rarely boring, except the lecture on Astrology.

geller rocks

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Way better than Fygenson. Very fair and good at explainging concepts. Tests are very fair. Easy to get a good grade with little studying.

great professor, fair exams, kept his physics class as interesting as one could hope to find an introductory level physics course

he is hot. ya and he is hilarious. it's hard but read your book and it's all good. cheat sheets kick ass.

the f-ing ****. demos are great but you will not get an A probibly a B+/A-