Using your log-in password and ID found in your Science Notebook, you can access your ENTIRE textbook through the Prentice Hall website at phsuccessnet.com. There are many additional study aides and activities as well, so feel free to "poke" around.  

The site middleschoolscience.com a ton of information in all the Sciences, for students and teachers. See if there is any helpful information there.

As I find other sites that potentially answer Science-related questions, I'll add them to this page.