3-D Model of DNA 

8th Grade Science


8.13.1 – Distinguish between physical and chemical changes.

8.13.2 – Identify a substance as an acid or base, given its pH.

8.13.3 – Recognize that the mass of the reactants is the same as the mass of the products, given simple chemical equations.


Science Websites for 8th Grade
http://www.classzone.com/books/earth_science/terc/content/investigations/es0602/es0602page02.cfm
http://www.learner.org/interactives/rockcycle/
http://www.windows.ucar.edu/tour/link=/earth/geology/rocks_intro.html