Starfall
Starfall: Make a Word: Long E
Given the letters "ee" with a blank before them and a list of letters from which to choose, students make words to match given pictures. Audio and graphs make this page really kid-friendly. When finished, the game moves on to new letter...
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Process of Chemical Reactions [Pdf]
This chemistry chapter covers everything about chemical reactions. Read about the collision theory, rates of chemical reactions, reversible reactions, and chemical equilibrium. Many pictures and graphs will help to explain the concepts.