Search results

Periodic table

This lesson provides knowledge about periodic law, groups and periods. Students will be able to identify and label each group with their names. Students will be able to relate atomic number and atomic masses of different elements of periodic table. Students will also be able to discuss periodicity of different properties of elements.

Format: lesson plan (grade 8–12 English Language Development and Science)

By Abha Bhatnagar and Meera Madan.

The process of archaeology

In Prehistory, contact, and the Lost Colony, page 2.11

Archaeologists use several processes to address questions about the past. They may gather new data by conducting regional surveys to locate archaeological sites. Occasionally sites are partially or completely excavated to address specific research questions or to salvage information prior to disturbance by a development project. All data recovered are thoroughly analyzed following scientific inquiry procedures before conclusions are reached.

Format: article

Resources on the web

Isotopes of pennies

This lesson helps students build their understanding of the properties of matter. Specifically, it will help them understand that average atomic mass is not a simple average, but is weighted according to percent abundance. (Learn more)

Format: lesson plan (grade 9–12 Science)

Provided by: American Association for the Advancement of Science