Oldest Piece Of Earth's Crust Suggests A Cool Early History PPT - Early Earth Processes and Rock Differentiation: A Geological... How The Earth First Formed A New View Of The Early Earth, Thanks To Australian Rocks - The Early Earth Lesson For Kids Laboratory simulations recreate primitive Earth conditions to test hypotheses about the formation of organic molecules and early biological processes. Scientists also study extremophiles, organisms that thrive in harsh environments on Earth, as these might offer insights into the types of conditions early life could have endured