These are a few links that may be helpful to you as you work on homework and other assignments for Physical Science.
OUR BOOK...so you can do any work you missed in class at home http://go.hrw.com/hrw.nd/gohrw_rls1/pKeywordResults?keyword=HQ2%20HOME
Awesome resource for any research you need to complete http://www.answers.com/
All about space...this will be helpful when we talk about astronomy http://space.about.com/
All about weather...this will be helpful when we talk about meteorology http://weather.about.com/
All about rocks and the earths crust...this will be helpful when we talk about geology http://geology.about.com/
NASA for students...some really cool stuff!!! http://www.nasa.gov/audience/forstudents/9-12/features/index.html
Have you ever thought...huh, I wonder how that works? http://videos.howstuffworks.com/