Physical Geography

Physical Geography is a sub-discipline of two much larger fields of study - Geography and Earth Sciences. The main purpose of Physical Geography is to explain the spatial characteristics of the various natural phenomena associated with the Earth's hydrosphere, biosphere, atmosphere, and lithosphere.

Food in Every Country

Interactive Science Simulations
Fun, interactive, research-based simulations of physical phenomena from the PhET™ project at the University of Colorado.
Thanks to Mr.Ahmad M.Al Razini for suggesting this website.

Enchanted Learning

What is the Cryosphere?

Science - Question Everything

Computer Dictionary

Computer Dictionary is a free online dictionary of computer and terminology terms. Thousands of people are using each day, including professionals, educators, students, and anyone with the desire to learn new computer terms. The goal of the Dictionary is to explain computer terms, rather than simply define them. Therefore, the definitions are written in a way that is easy to understand and often include helpful examples.