Curated OER
Metals and Non-Metals
A table of the physical properties of metals and non-metals opens this high-school chemistry handout. Also covered are the chemical properties of metals and non-metals, reactivity, and fossil fuels. There are no specific questions to...
Curated OER
Science Lessons for Grade 8
Eighth graders identify the symptoms and causes of diabetes. In this biology lesson, 8th graders demonstrate how urine testing is used to diagnose illness. They explain why some metals are more reactive than others.