Processed foods use inorganic compounds for flavoring and preservation. This take-home laboratory challenges scholars to find 20 different compounds identified on the labels of foods to list on their data collection sheet. The activity...

Seventy percent of the air pollution in China is due to car exhaust. Under the umbrella of environmental chemistry, learners extensively explore air pollution. From the makeup of our atmosphere to sources of major air pollutants, classes...

Is obesity a disease or just a preventable risk factor for other diseases? Scholars attempt to form their own opinions by reading a background of the issue and watching videos that explore the main pro and con arguments using an included...

In this hedgehog worksheet, students read information paragraphs about the habitat, reproduction, feeding and adaptation of hedgehogs. Students study the photograph of the mammal. There are no questions to answer here.

This site about food poisoning discusses Staphylococcus Aureus - what it is, where the common sources of "staph" are, common symptoms, and what can be done to prevent contamination and infection.

Excellent information is provided on the painted turtle's appearance, weight, migration, food sources, predators and breeding. Research questions provide the answers to many common questions such as how long they live.