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Types of Sedimentary Rocks

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Level 1 Sedimentary Rocks

L1 Sedimentary Rocks textbookL1 Sedimentary Rocks

Our Level 1 Sedimentary Rocks textbook includes twelve lessons about different types of sedimentary rocks. Lesson topics include Clastic Rocks, Sandstone, Limestone, Coal, Chemical Rocks and Sampling Sand.  Each lesson contains 2-3 pages of written material, a quiz and an elementary science activity.

Myrna Martin introduces each lesson in the textbook on a video that can be purchased with our packages and courses. Myrna covers not only the main points in the lesson she also includes extra information on the topic that is not contained in the written material.

The kids science activities are fun and easy to do in this textbook. Kids science activities include Salt on a Stick, Making Clasts, Pudding Stones, Testing of Calcite and Cave in a Cup.

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Level 1 Sedimentary Rocks textbook

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Level 1 Sedimentary Rocks textbook

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Teacher’s Edition Level 1 Sedimentary Rocks Textbook

The teacher’s textbook is an exact copy of the student textbook. It includes the answers to the quizzes on each quiz page. A Teacher’s Notes page is located before each lesson with the following information

1. Lesson Content
2. Lesson Objectives
3. Activity information and materials needed
4. Vocabulary and definitions
5. Correlation with the National Science Standards

Sedimentary Rock Formations

Sedimentary rock formations are found all over the Earth's surface. The floors of all the oceans are made of basalt covered with sedimentary layers and sedimentary rocks. Sedimentary rocks form in deep ocean basins when silt carried into the ocean collects offshore after major rainstorms. The Mississippi River’s delta is a large area where silt, clay and sand have formed deep layers that will eventually lithify into solid rock. Approximately 10% of the crustal rocks on Earth are sedimentary rocks even though they cover 75% of the Earth's surface.

Types of Sedimentary Rocks

Clastic rocks form when older rocks break apart due to freezing and thawing of water. The bits and pieces of rock are cemented together forming new rocks. Organic rocks are produced by plants and animals. Coral reefs and coal are examples of organic rocks. Chemical rocks form when inland lakes or shallow seas become supersaturated. The chemicals in the water form minerals that collect on lake bottoms and shallow seas. Borax and salt are examples of chemical rocks. These are the three major types of sedimentary rocks.

Clastic Sedimentary Rocks

Clastic sedimentary rocks form from broken bits and pieces of older rocks due to weathering, landslides and tectonic plate movement. Water seeping into crevices breaks pieces off older rocks as the water freezes and thaws. These bits and pieces of broken rock fall to the ground forming clasts that eventually are "glued" together to form different types of sedimentary rocks. 

Sandstone contains clasts that are sand-sized particles "glued" together when minerals from ground water crystallize between the individual sand grains.

Shale is similar to sandstone but the individual clasts are much smaller.

Blessberg Cave discovered in 2008

A huge limestone cave with thin noodles of limestone hanging from the ceiling was discovered in 2008. The noodles resemble the strings of a harp when they hang down from the ceiling in bunches.  The limestone cavern is located between Berlin and Munich and is named the Blessberg Cave.

Spelunkers hurriedly started mapping the grotto before it was sealed. They mapped 1,200 meters (3,900 feet) of the cave before it was sealed with concrete. Today there is no known opening to the cave.

Engineers sealed the cave entrance because they were afraid the tunnel might have a catastrophic failure if the opening was not sealed with concrete in 2009. People living in communities near the Blessberg Cave are hoping to find another entrance and turn it into a tourist attraction.

More Level 1 Textbook Links

Level 1 Textbooks

Earth Science

Igneous Rocks

Sedimentary Rocks

Metamorphic Rocks


Rock & Mineral ID Field Guide

Rock Cycle



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