Tests difficult, but she is willing to help, and does have a sense of humor

Very funny, and laid back

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awesome job

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The class is hard, but for Chem, she's a cool teacher

need to go to class and get her notes, quizes and tests fairly easy

Prof. Siu is very helpful, easy to talk to, and understanding.

Definitely crazy! But she knows her chem. If you took chem in high, easy class

Very helpful.

Awesome prof. Made material seem easy if you study it. Quizzes help grade.

Great prof. Fair. Good exams. Helps you if you just ask!

Not nearly as horrendous as people say. A bit eccentric. Not really rude.

Helpful during office hours, kind of babbles, goes of on tangents

Really nice. Always willing to answer any questions. A littlt batty.

Boring. Doesn't explain well. Goes through notes on overhead. Find a better prof

a bit different, but she will help you a lot if you ask for it

Good Prof. Everyone that said bad things about her is obviously lazy

as easy as they come

She is pretty blunt so don't take her wrong. She does help if you need it and is a nice person. One of the better lab profs I have had. Explains things well and will explain things if you don't understand....but won't do everything for you.

The labs can be confusing but she helped make them easier to understand. Was always helpful when didn't understand the lab or how to complete the lab report. Go to her office hours and she is more willing to help and answer questions.

Ultra Smart! Lucky to get her for class! Explains all VERY well! Nice lady. Dry, but funny sence of humor. Study to get an A!

she is a good teacher and she makes it a little fun but it's just pretty hard

Professor Siu can be a hard read but she really does care about her students. Requests for help will be answered but don't expect much help if you're rude.

I had a great experience with Prof. Siu. She was very clear, friendly, helpful and always answers her email very quickly. She is a tough grader, but listen to her instructions and you will do fine.

I had her for lab and she was always very helpful. A bit nit-picky about grading but is clear about what she expects.

I like her. Everything she teaches, she plans out and takes the time to do overheads for everything. She teaches at a nice pace and gives tons of examples! I approached her with a question after class and she was delighted that I had asked.

Always made class enjoyable. Quirky sense of humour, but defintely lifts the mood in class. Always has cool things to incorporate. Take her if you have the chance. If you're just going to be LAZY and NEGATIVE, you'll think every prof. is horrible...

She was amazing. The best prof I have ever had. If you don't like her it is just because you put in no effort and get a bad grade. She is willing to help and very clear. You do have to study. We are in college. TAKE HER IF YOU CAN!

Sui is an amazing lecture prof. Her lectures are very interesting and seem to go fast. Her notes are spelled out for you and her exams read directly from lecture notes.

I definitely do not suck up to her, and I think she's an amazin' teacher...You will learn a lot and have fun.

This teacher was good overall. She was almost always clear. She is a little corny at times but always sooo nice to the students. Take this class.

easy class if you pay attention. shes willing to help if you go to her. if you miss class hard to catch up if you dont get the notes.

Good lab prof. She does grade tough but if you get on her good side you'll be all set. Nice lady.

Class can be hard, depending on topic. She is not very clear when it comes to answering questions from students. Knows chem well, but can't get the ideas across to students very good. Tests are hard, espicially final. Do OWL, read the book, and don't skip class too much. It is hard to catch up.

She was adequately helpful during chemistry labs and is easy to talk to.

I thought that she was a great teacher! Tests wernt that hard and she was VERY VERY helpful always giving good examples! I liked her and would take her class again!

I really liked her teaching style and although I thought it was a bit middle-school at times, she was pretty clear. I heard a lot of students say that they thought she was mean and difficult to understand, but as long as you study and do OWL, and ASK QUESTIONS IN DISCUSSION, you will be fine.

She gets really annoyiong talking about figure skating, but she is not that bad. The class is pretty easy.

easy class. just do owl and show up. study notes, don't have to read.

Ok, I'm not sure what all of these other people are talking about. Siu is probably the best professor I've had at Grand Valley in the 2.5 years that I've been here. The class is not a blow off...she does expect you to work for your grades (which apparently is too much for people) but not undoable. Lectures are VERY important, but TAKE SIU!

I can't believe so many people complained about 109! If 109 is that hard just wait until biochem! She's picky, and the labs are going to be hard, but I wrote my labs next to her office and just asked questions when I had them, and I did great. She helps a lot more after class, just be specific with units, and there won't be a problem.

I really like Professor Siu. She really loves chemistry and explained things well. I hate chemistry and I didn't think the class was that bad. She gives you chances to earn some points so not everything is based off of tests and quizzes.

She is a wonderful professor, yes she is slightly demanding but she is very down to earth and if you need help with anything she is more than willing to helo you out. Also she caters a lot to grades dropping worst 3 quizzes, giving 5 points onto every exam, things like that. Overall great prof!

Siu does make you look stupid for asking questions. Dont miss class because chemistry builds and if you do not understand something, it will screw you up. I liked the way the class was taught and she's a good person, just needs to learn to be respectful. Does talk about skating a lot though. Nice lady I'd recommend her, but that's just me.

Good teacher, however does make a lot of mistakes which gets a little confusing. Show up and pay attention and you will do fine. Annoying thing...she says eww a lot.

Ms Siu isa very helpful professor and is always open to questions and clarifications. This is a great class to take if you are looking for a class that inspires understanding.

Overall she was a decent teacher and I learned a lot from the class. If you atttend lecture on a regular basis, and ask questions if you need help, you should do fine. Tests aren't bad if you pay attention in lecture. The online notes she posts on Blackboard are very helpful.

Prof. Siu is one of the best chem teachers. She takes things at a slow speed and is very willing to answer questions. She also puts concepts into subjects that real people understand like food and such. I would def. recommend her!!

She was a good teacher and taught things at a slow speed. Good to take if you didnt have a lot of chem in high school

Funny teacher and kinda sarcastic. She gives u a lot of examples to help you if u don't understand. Tests are short and hard so study. She does offer pts back fro test corrections tho. Good teacher

I really enjoyed her. She's silly but I thought she did a great job explaining things.

Her exam questions were fair. At the beginning of class she does some housekeeping to make sure that everyone knows if there is an exam coming up. I really liked her as a prof, and she was cheery during class. It is true though that she isn't the best at answering questions, but in my experience, the questions were things that she just said.

Very good teacher. She is very clear at explaining things. I would 100% recommend her if you have never taken chemistry before. She is really helpful if you don't understand things. Try not to prove her wrong, or else you'll get on her bad side. Easy A. Straight forward tests.

She only gets a little mad when people are being disrespectful or not paying attention. She was a big help to me when something was confusing but the only downside was that some of it would then get marked down anyway so my labs didn't have very high grades.

Fair. That is how I would sum up Prof. Shi. I took her my second time taking CHM 109 and I enjoyed her class a lot more. If you learn by copying things down her lecture is for you. If you attend class you don't really need the book. I would recommend taking her.

Siu is sarcastic, but that makes the learning environment fun. She made things fairly easy during lectures. She provided plenty of examples and was always willing to answer questions. Really cared that we really learned the material.

She is a great prof. She cracks jokes every now and then and is very sarcastic and funny. She adjusts to all kinds of learning so sometimes she will teach with just notes and others she will provide pictures and examples. Her quizzes and tests are a little tricky, but if you study her notes sheet you should be fine.

Mrs. Siu is a great prof. She gives a lot of examples in lecture. She can be kind of sarcastic if you ask questions during lecture so I would advise asking questions during discussion or outside of class. Other than that she makes the class bearable.

She is very nice and willing to help whenever you ask her a question. She reviews a little bit at the beginning of each lecture but other than that, moves through everything really fast. I found her tests to be extremely difficult, but her quizzes and worksheets are quite easy. Going to the discussion helps too.

She is a great professor, and she gives really great examples that make understanding the material easy. I never opened my book, but I attended every lecture. If you go to class, pay attention, and take good notes, you will do well.

Mrs. Siu is a good professor in her own way.She's good at teaching the material, she's helpful, and gives you other things to help your grade besides just tests and quizzes!Her tests/quizzes are tough, but the notes she gives you help a lot and going to her office hours. Just don't get on her bad side, or ask dumb questions.Think before you speak!

I used to hate chem, but I really enjoyed her class. You have to pay attention during her lectures, and you really can't miss any of them, but she's always open to questions and will always clarify. She's really nice and understanding. I know a lot of people think she's confusing, but I honestly don't they're following along during lecture.

I had P.Siu for lecture, lab, & discussion. Her lecture moves quickly & the notes don't relate to the tests. You don't need the book, unless you want to do practice problems. Labs are easy & so is discussion. In discussion you have a quiz every other week too, be prepared. She is very help, and is more than willing to help during her office hours.

Super easy class and she presents the material very clearly. Couldn't have asked for a better professor. If you are not willing to put forth the effort to get your assignments done, take notes, or study then you should not plan on doing well in this class. Not a class for lazy people, but if you put in the effort then it is a for sure easy A.

I had Professor Siu for my chem lab and she was the most helpful lab professor I have ever had! I can't speak for her lectures, but she was always very clear and helpful in the lab.

Mrs. Siu was a great Lab instructor and is more than happy to help or clarify anything. Easy to ask questions too. I enjoyed her and would recommend.

She talks really fast and her tests are hard! She's very helpful and approachable! I enjoyed her class!

She is very helpful and gives you great tips on remembering the more confusing topics! I thought she was very helpful and an overall good prof.

She is an awesome professor. Siu is a very good teacher.

I actually really enjoyed Siu's class. She is like a sweet Grandma and she's very goofy. There are times where she isn't very clear, but if you ask for help she is happy to help you.

Siu was such a great teacher and made me love chemistry. I made sure I took her for bio organic chem as well! She is there to help and you can always ask her questions. There are a lot of points you can get back to recover if you had a bad test. If you have to take either of these classes, trust me take her!!

I love Ellen Siu. She has a sarcastic sense of humor, which I love, and get her alone and she's amazing. Really enjoyed her all semester.

Siu was a great professor. She was always willing to give help where it was needed. She tends to be pretty sarcastic, but overall a great professor. She made it clear what she expected, and what work you had to put in.

Professor Siu will review material in the beginning of each class and is happy to answer any questions. She does tend to get off track and talk about random things, but I find it to be a nice break from the lecture. If you are talking loudly during lecture, she will call you out, so respect her at all times. Overall, a good teacher to learn from.

I hate chemistry but I thought she was a fairly solid professor. The class itself is mostly things that you learned in high school, so you'll think that you can skip classes but you probably shouldn't in order to do well. Not as east as you think. She reviews before class which is very helpful and is open to questions.

I had her for chem 109 and 230. I like her, I think she is very nice and is a good teacher. You get to write anything you want on a flash card for the final exam. She does quizzes and worksheets and drops you're lower ones. I had some bad grades here and there but still ended with an A.

Shes a good teacher and knows whats shes talking about. The downside is that she lectures very fast and often has a hard time understanding the questions you ask and answers something unrelated to the question. If you show up to class and do the online quizes you should be fine. Also if she knows your face shes much more likely to help you out

I'm choosing to take CHM 230 with her. I appreciate her teaching style.

I feel like I learned a lot from this class. With it being an already hard class, the examples she gave were useful and I don't think her rating should be this low. You can get 5% extra credit after all of your tests, EC from online hw assignments, and a note card on the final. I can see where she can be condescending, but it isn't too common.

Prof. Siu is a great prof with a great sense of humor. I found her to be very engaging and really liked her projector notes. The class is pretty difficult, but she makes it easy to pass with EC/dropping your worst 2 worksheets and quizzes. If you put forward good effort, you will be fine, and she will help if you need it. Exams are pretty tough.

I personally enjoyed Professor Siu's teaching style. She reviews previous material and allows you opportunity to practice it at the beginning of each class. Students are given opportunities to earn points back on exams and drop low quiz or worksheet grades. She is old-fashioned and can be condescending, but I found that I learned well in her class.

Great professor! Lectures are very important, she will expect you to know everything covered in them. If there is something that you do not need to know she will tell you. Allows you to drop lowest quizzes/worksheets. Using an overhead projector for lecture which can sometimes be difficult to see depending on the lecture hall. Cheat sheet on final.

She taught using those old school projectors with notes printed on plastic sheets and markers. She was really nice and talking to her before class was always fun. She was a fair grader but really sarcastic. Not much homework that I can recall and tests were fairly easy. If you use your phone while she teaches she might make a snarky comment.

Loved professor siu!! She is so sweet and cares about her students. The class isnt very hard as long as you take good notes and study them for quizzes and exams.

Mrs. Siu was a great Professor. Definitely would take again, even though I had to work hard for my grade. Lab and owl assignments ( online quizzes ) are incorporated into your grade and help at the end of the semester. Quizzes are a bit harder, but once you get to the tests it makes it easier! She drops two quizzes and two worksheets which helps.

Professor Siu uses an old projector for her lectures but the content is very good. She is clear on what to expect on the tests and she is very generous with extra credit opportunities.

easy class IF you have a background in chem. goes kinda fast in her lectures but shes more than willing to slow down if you ask her to. you can tell she cares about her students, shes very nice. i see complaints about her making you feel stupid if you ask a question, but she only did if she knew you werent paying attention and being rude.