salam




http://www.nap.edu/


has many books that u may read online for free , or download as pdf



http://www.library.unr.edu/ejournals/free.aspx
free Journals




http://www.freerice.com
you may test your vocab online, for free, and feed the poor !

salamu3alaykom

very useful websites indeed especially the first one
thank you

Learn and research science, chemistry, biology, physics, math, astronomy, electronics, and much more

http://www.101science.com/

Many thanks sister,

May Allah reward you.