Anatanoshi Posted March 7, 2017 Posted March 7, 2017 Hello, i'm a 9th grader from israel. There aren't many science classes in my school and i'd like to know more about science (mostly Physics or space related stuff). Last week i found this forum and i've learned ouite a few new things, but i want to start learning specific areas in physics first. Where should i start? And if you know a simple written site that i can use to teach myself i'll be glad to know about it. 3
Sensei Posted March 7, 2017 Posted March 7, 2017 (edited) Try HyperPhysics http://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html +1 for healthy and honest interest in how Universe is working. Edited March 7, 2017 by Sensei
Anatanoshi Posted March 7, 2017 Author Posted March 7, 2017 Try HyperPhysics http://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html +1 for healthy and honest interest in how Universe is working. Looks like a great website thank you! Any suggestions on where to start?
Sensei Posted March 7, 2017 Posted March 7, 2017 Any suggestions on where to start? I would start from learning what are elementary particles, pair production of matter and antimatter, and further annihilation of matter and antimatter. Then go to fusion, and isotopes, and periodic table. How one isotope can be transformed to another isotope, another element. 2
Anatanoshi Posted March 7, 2017 Author Posted March 7, 2017 I would start from learning what are elementary particles, pair production of matter and antimatter, and further annihilation of matter and antimatter. Then go to fusion, and isotopes, and periodic table. How one isotope can be transformed to another isotope, another element. Are those in there? Can't find them.
Sensei Posted March 7, 2017 Posted March 7, 2017 Click "Quantum Physics", then on the right there is "Particles".
Anatanoshi Posted March 8, 2017 Author Posted March 8, 2017 (edited) I've been trying to learn from HyperPhysics but i don't get most of what i read. I have almost no scientific knowledge... Edited March 8, 2017 by Anatanoshi
DrP Posted March 8, 2017 Posted March 8, 2017 You could try asking some questions here about what you do not understand? Senei gives excellent advise... Some stuff can be complicated for a beginner though. Personally I would start by looking at the history of the atom.... from ancient beliefs to JJ.Thompson, to N.Bohr..... stop when it gets too complicated. Also check out how the periodic table was formed by Mendeleev (more chemistry than physics, but the 2 go hand in hand) it will give you and idea of what atoms are and how they are made from sub-atomic particles.... then move to sub atomic particles, fission/fusion and Sensei's list.
StringJunky Posted March 8, 2017 Posted March 8, 2017 (edited) This might be a more appropriate starting point for doing the first principles in physics: https://www.khanacademy.org/science/physics The range of subjects available here, particularly the maths: https://www.khanacademy.org/#/math Edited March 8, 2017 by StringJunky
Pugdaddy Posted March 9, 2017 Posted March 9, 2017 You might want to have a look around this site. Professor Matt Strassler has put together a pretty good site to learn. https://profmattstrassler.com/
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