This is a site where you can get access to free presentations for high school students.
You can use and alter these presentations freely or any power point template used in this presentations site for other teachers. It is also a great place to look when searching for diagrams to prepare your own presentations.
If you have any powerpoints, you can consider submitting them for other teachers to download too. It's all about sharing and helping others.
There are presentations for several subjects including Biology, Chemistry, Maths, Physics, English, History, Geography and Spanish.
Join the worldofteaching community website and also have the option to register as a 't u t o r' (a free service)
Finally, it also has links that direct you to other teacher resources. Also don’t forget to visit SitesforTeachers.com- a searchable index of hundreds of educational sites.
Visit this world to make the dissemination of teaching better for the future.