PETA-TeachKind free pilot program - February 2023

Science 101: How Do We Figure Out What Happened to the Earth in the Past?

by: Bill Robertson

This column provides background science information for elementary teachers. This month’s issue discusses the layers of the Earth.

Grade Levels



Lesson Plans Pedagogy Teaching Strategies


Type Journal ArticlePub Date 4/1/2013Stock # sc13_050_08_76Volume 050Issue 08

NSTA Press produces classroom-ready activities, hands-on approaches to inquiry, relevant professional development, the latest scientific education news and research, assessment and standards-based instruction.

Learn More