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

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 rocks

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

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Geller is an awesome teacher. The tests were really straight forward. Some multiple choice and a few write out probs. Usually 1 prob. to weed ppl out. makes lectures interesting & aplicable. the only complaint is that he does very few actual examples probs. in class, & more conceptual stuff. Would recommend.

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He is a very enthused professor. LOVE LOVE LOVE his demos. always made it to class because of his demos. exams are very hard for phys 1, phys 2 was a little easier. hw is hard too. but you can get away with these by going to CLAS or going ot him for help.

AWESOME!!! One of the best teachers I've ever had in my life. He makes the course so fun and interesting, I barely noticed how insanely hard the homework was. And he has the crazy physicist hair! He's taking time off now so he can write a book. So sad.

really great if you can get through some painful learning. hard as hell tests unless ur a natural at physics. also, take it just to watch in class demos...he's awesome and always enthused. i really enjoy that he brings life to a sometimes dull subject.

funny hair and great examples in class

He was really nice, but I was unprepared for how hard his testing would be.

Cant teach the material, goofy, hard tests, cant teach, not a good teacher, dosn't teach well, dosen't know how to teach.

Very clear teaching.

The best physics professor, shown by his class being FULL every single quarter.

His lectures are fun and energetic lots of extra info that makes physics fun (spy technology, quantum physics, time travel). Yes, you have to read the book to understand the baisics!! Could just read the book (do the homework) and pass the class...

great energetic guy but i gotta say hes not dat great a teacher. doesnt cover much in class, few examples, too much bs n jokes, i come to learn not to listen to some jokes. hard test too!!!

I don't get why students like this guy... '_'# He doesn't explain most of the hard stuff, but likes to take time talking about spy planes, and bs like that...what a waste go take DOUG FOLSOM for PHysics 1 if you've never taken Physics before!