Elephant toothpaste is a lab that will WOW your students. This lab comes with procedures and background information on how to make Elephant toothpaste. You will also have a worksheet and answer key to optimize your learning experience. You can use this one lab to teach both changes in states of matter and how decomposition works. Other higher-level topics include exothermic reactions and the law of conservation of energy. Using this lab can benefit your students no matter their age. . Make sure