Curated OER
The Chemical Building Blocks of Life
Amateur biologists examine the macromolecules that are foundational to life: proteins, lipids, and carbohydrates. This worksheet is composed of five pages of questions and plenty of space to write answers. Learners will explore such...
Curated OER
A Safe Food Supply? Is Your Food Safe to Eat?
Viewers of this slide show learn that pesticides used on food crops can be harmful, but that there are certain allowable levels that should not be hazardous. They find out the rigorous process of inspection that meat must go through...