Fun and nice. Very helpful. Great demonstrations end engaging lectures.

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!

doesnt cover much in class, the only way you are getting through his classes is if you have already had physics or u devote this quarter to the class

This class is close to impossibility!

His test are really hard and he assumes you know a lot of physics already.

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Great professor. He knows his stuff well. If you goto lectures and take good notes his tests are easy. Finals can be very tough sometimes though. Make sure you understand concepts well, not just knowing how to approach certain hw problems.

a classic kiss-ass instructor. never shows up in ta meetings, very secretive about what he's covering in lectures. students like him because exams are easy for those who know the stuff, and he curves liberally at the end. (con't)

Is interesting and amusing, yet doesn't really cover much in class...hope you enjoy learning physics on your own...

Took this in HS so maybe I'm biased. Material's pretty simple, he doesn't seem to cover as much as other professors.

Class is interesting, class is cake if you have had AP physics in HS.