Geologists have mapped out a time scale that is a “calendar” of Earth’s geologic history. The scale of geologic time starts some 4 billion years ago, when Earth’s crust was formed. Earth …

Travel through geologic time with 3D paper models of fossils! USGS Education paper models collection includes dinosaurs and other fossils, and geologic processes like volcanoes and …

This article describes the history of the geologic time scale. The principles were first laid down by Nicolaus Steno in the late 17th century. Steno argued that rock layers (or strata ) are laid down …

Sep 5, 2019 · Hands-on learning project for kids to make a to scale timeline showing the evolution of the earth from The Big Bang to Moden Man.

Join Rice Northwest Museum for an interactive exploration of Geological Time Scale. Uncover ancient earth history, built by kids, for kids of all ages.

Scientists use geologic time periods to measure the age of the planet Earth. In this lesson, you'll learn all about the geologic timescale, including facts like when the dinosaurs lived...

Dec 5, 2023 · Below are 14 great geologic time scale activities designed specifically for middle school students. 1. Timeline of Earth’s History: Create a large, physical timeline on a long roll …

Using the “Geologic Time Scale Reference Table”, determine where each of the 7 organisms would be found in the rock strata and the approximate time each organism first appeared on …

These simple models made from Play-Doh give students a visual to help them explain the connection between the geologic time scale and the fossil record and how scientists use the …

May 1, 2025 · The geologic time scale is used to describe events that occurred millions and billions of years ago. The geologic time scale of Earth's past is organized according to events …