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5 kwi 2021 · Did you know that petrified rock is actually a fossil? In this simple STEM lesson, we are going to learn a bit about petrified rock and make a petrified sponge!
Dec 6, 2020 - Explore Neil Roach's board "petrified fossils" on Pinterest. See more ideas about fossils, rocks and minerals, rocks and fossils.
Petrified fossils result from permineralization, the replacement of once-living matter by minerals. Solutions containing silicates, carbonates, iron or other minerals seep into the gaps and spaces between the cells, first encasing the cells and eventually replacing the cells themselves.
Picture this: your classroom buzzing with curiosity as students embark on a hands-on exploration of rocks and fossils. From towering mountains to ancient artifacts buried beneath the surface, there’s so much to discover and learn about.
In geology, petrifaction or petrification (from Ancient Greek πέτρα (pétra) 'rock, stone') is the process by which organic material becomes a fossil through the replacement of the original material and the filling of the original pore spaces with minerals.
Feb 21, 2016 - Fossils and petrified wood . See more ideas about fossils, rocks and fossils, rocks and minerals.
As I prepared to teach about Sedimentary Rocks and Fossils, I was trying and trying to think of an activity that would teach about permineralization---the process during which minerals seep into the pores of dinosaur bones (or other materials) and harden, creating a hard, rock-like fossil.
