Encourage your classes to be laundry helpers! Learners explore the chemistry of stain removal with a lab investigation. By identifying the components of the stain, they identify the most effective solute for its removal.

Your economists will relate to the choices at hand in this personal budgeting scenario. A passage describes Bob's predicament: he's going away to college and must buy his own clothes, including the pricey Levis he wants to buy 8 of....

Lesson 21 in a series of 36 specifically focuses on elements and their compounds from groups 13, 14, and 15 on the periodic table — including boron, carbon, aluminum, silicon, nitrogen, and phosphorus. Classes learn how some of these...