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Ice cannot change temperature. According to the list, students have a hard time letting nothingness exist and want to fill in the spaces. A “thick” liquid has a higher density than water. Alcohols in chemistry are functional groups defined by the presence of a hydroxyl group (-OH). Particles possess the same properties as the materials they compose. 18. Objects float in water because they are lighter than water. No differentiation is made between atoms and molecules. 22. I really, really liked this list and the information it provided. The kinetic theory does not really explain heat transfer. 25. At this point in the list I’m beginning to realize how important it is to emphasize that particles themselves do not change like macroscopic objects, but are the reason behind these changes. This list had a lot of really good information, and I’m actually tempted to print it out and keep a physical copy for myself! phase changes) as chemical changes and vice-versa. Gases do not have mass. Failure to perceive that individual substances and properties correspond to certain types of particles formation of a new substance with new properties is seen as simple happening rather than as the result of particle rearrangement. 14. Again, not the only misconception stated, but I was surprised that students think melting occurs because of changes in size of the particles/atoms. There Up through college I assumed that once a reaction is finished, the product(s) just sit there. Many students I’ve interacted with also don’t realize right off that a precipitate had formed, and assumed the solution itself got murky (this was mentioned briefly on the list). *It should be noted that I got the list on this webpage. ( Log Out /  Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. This list had a lot of really good information, and I’m actually tempted to print it out and keep a physical copy for myself! 24. Liquids of high viscosity are also liquids with high density. Remember, the term organic means carbon containing. 42. Carboon dioxide (CO, Clarification: The prefix hydro- refers to hydrogen. Temperature is a property of a particular material or object–––metal is naturally cooler than plastic. 30. 41. Students, thinking that acid eats stuff, would think that a strong acid would be better at it than a weak acid. 35. Particles are viewed as mini-versions of the substances they comprise. View All Posts. In the list, they use the example of the word “substance.” Personally, I’ve seen the word “create” cause students problems – matter is neither created nor destroyed, and then asking students what product is created. (It is recited but not believed). The problem here, though, comes from the fact that students won’t understand this quite yet, and I don’t want to cause them to have an existential crisis like I did in college when I started over thinking this. Change ), You are commenting using your Facebook account. I found this nifty list of common chemistry misconceptions that students have. In actuality the molecules continue moving around, and bonds are constantly being made and broken. Fluid pressure only acts downward. 45. Frequent disregard for particle conservation and orderliness when describing changes. Listed below are some of the more commonly found misconceptions in organic chemistry that students may hold. Alcoholic beverages contain ethanol, which is one type of alcohol, specifically consists of 2 carbon atoms and a hydroxyl group. Objects that readily become warm, are good conductors of heat, do not readily become cold. 40. Students come with their own set of knowledge and ideas, which, may often times be mere hypothetical conclusions with no basis in scientific theory.

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