Curated OER
The Chemistry of Lead
Students explore the basic concept of physical and chemical properties of the element lead, as well as its historical and modern day uses, and how and why it is toxic to the human body. They are shown the basic reactions of the element...
Curated OER
Nutrition and Food Security
Examine the three basic nutrients and their effects on the body. Fifth graders will research data to construct a bar graph and then demonstrate the relationship between malnutrition and food security. This is a very comprehensive...