[Free Registration/Login Required] This is an introductory and informative lesson about (illegal) drug use and abuse. It is geared towards 8th grade, but can be adapted. It has symptoms of use, the effects drugs have on health, addiction...

In 1920, the United States banned the sale and import of alcoholic beverages.

Two lessons and their associated activities explore cellular respiration and population growth in yeasts. Yeast cells are readily obtained and behave predictably, so they are very appropriate to use in middle school classrooms. In the...