Science Education Resource Center at Carleton College
Serc: Trends on the Periodic Table: Metals, Non Metals, and Metalloids
In this lab activity, students will be asked to observe and then test the physical and chemical properties of several different elements.
US Department of Education
Nces: The Nation's Report Card (Naep)
The Nation's Report Card, the National Assessment of Educational Progress (NAEP), is the only nationally representative and continuing assessment of what America's students know and can do in various subject areas. Since 1969,...