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Compaction
The processes by which sediments are changed into rock are complex, but can be simplified into two processes, called compaction and cementation. Compaction
Deposition
Look at the elements of deposition and the landforms produced by deposition.Deposition
Discover Education - Deposition
Login to Discovery Education and watch this short video. (01:17 min)Fossils
Find out how scientist read rocks to learn about the Earth.Fossils
Layers & Fossils in Earth's Landscapes
Watch a short video about the layers, practice vocabulary with flash cards, and see if you can answer the the landscape questions.Minerals
Identify minerals, learn how to grow your own minerals, learn how to collect minerals, and play mine games here.Minerals
Rocks
Is there such a thing as floating rocks? Click this link to solve the mystery.Rocks
Igneous Rock
Igneous rocks are rocks formed from molten magma.Create a rock collection as you learn about the three main types of rock, find out how to tell the different rock types apart, and see how rocks change from one type into another.Igneous Rock
Metamorphic Rock
Metamorphic Rock
Metamorphic Rock Facts for Kids
A metamorphic rock is a type of rock which has been changed by extreme heat and pressure.Can rocks change their form? Click on the Rock Cycle link to find out how they do it.Learn how rocks are formed and how to identify rocks.Rocks from Particles - Discovery Education 02:50 min
Sediments are pressed together over thousands or millions of years in a process called compaction.Sedimentary Rocks
Sedimentary Rocks
Britannica Online - Sedimentary Rock
Discovery Education - How are Sedimentary Rocks Formed?
Login to Discovery Education and watch this short video. (02:12 min).Discovery Education - Sedimentary Rock
Login to Discovery Education and watch this short video. (3:36 min).National Park Service - Sedimentary Rocks
Sedimentary rocks are formed from deposits of pre-existing rocks or pieces of once-living organism that accumulate on the Earth's surface.Sedimentary Rock Facts for Kids
Sedimentary rocks are rocks formed from sediment.Sedimentary Rocks and Fossil Fuels
Texas Gateway explains how fossil fuels are formed from sediment.Updated 2/19/2025
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