www.reachoutmichigan.org/funexperiments/agesubject/lessons/o

This experiment demonstrates how increasing the surface area of a chemical increases its reaction rate.

chemsite.lsrhs.net/Intro/Pure_vs_mixtures.html

This website teaches students about pure substances and mixtures through online notes and activities.

www.yesmag.ca/projects/paper_chroma.html

This website takes you through the steps to conduct chromatography. Chromatography is a method for analyzing complex mixtures (such as ink) by separating them into the chemicals from which they are made.

www.miamisci.org/ph/

This website has a series of experiments that teach students about PH.

www.galaxy.net/~k12/matter/movemol.shtml

A science experiment that answers the hypothesis of what happens to the movement of molecules in a substance when that substance is heated.

www.galaxy.net/~k12/water/ph.shtml

A science experiment that answers the hypothesis of liquids can either be neutral, an acid, or a base. A pH of 7 is neutral, a pH of 1-6 is acidic, and a pH of 8-14 is basic or alkaline. Liquids that are very acidic (pH of 1-2) or very alkaline (pH of 13- ...

www.galaxy.net/~k12/matter/sepsolid.shtml

A science experiment that answers the hypothesis of what physical properties could be used to separate a mixture of pepper, salt, sand, and iron filings.

www.chem4kids.com/files/matter_solution.html

This website teaches students about solutions and mixtures.