"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: In geological layers around the world (particularly in ...
Earth’s history is divided up into different geological wedges of time, wedges we like to call things like epochs, periods, and eons. They’re defined by events that shaped the planet (think big ...
What are some events that all of us have had in our lives? Ask the class "What are some events that all of us have had in our lives?" Make a list of 5 or 6 things on the board. Let’s organize these!