Students examine the geological time scale: the Earth is ancient; time can be divided into periods based on its fossil content.

How much do you really know about our planet? Middle schoolers build up their prior knowledge about Earth, its placement in the solar system, its composition, and important geological vocabulary with an introductory earth science lesson.

How is sea coral like a thermometer? Part three of a six-part series from NOAA describes how oceanographers can use coral growth to estimate water temperature over time. Life science pupils manipulate data to determine the age of corals...

Heat things up in your earth science class with this collaborative lesson on volcanoes. After first being introduced to the different types of volcanoes and how they are formed, young geologists work in small groups to...

By the 19th lesson in the 20-part series, scholars realize volcanoes and earthquakes are related to plate boundaries. The lesson extends and applies the knowledge by having individuals create a bumper sticker for one specific area of...