College Board
2017 AP® Biology Free-Response Questions
With AP Biology remaining the most popular AP science exam, many teachers need help preparing. The College Board offers the actual free-response questions from the 2017 test covering pollination, germination, and more. Scholars learn the...
Curated OER
Revised “Understanding Nutrition” Activity
Students evaluate their current food choices. In this health science lesson, students test different drinks to rate the amount of Vitamin C content. They discuss results in class.
Curated OER
The Portion is the Poison
Students calculate the amount of everyday food products or liquids that would need to be consumed in order to become toxic. By using unit analysis, they calculate the amount of certain common food items that would need to be consumed in...
Curated OER
Practice Sheet: Colligative Properties
In this colligative properties worksheet, students solve eight problems. They calculate molarity, molality and grams of substances in addition to using colligative properties to calculate solutions.
Curated OER
Acids, Bases, Acid-Base Reactions
For this chemistry worksheet, students read and study the chapter to answer 110 problem solving and short answer questions related to acids and bases.