Sedimentary rock is defined as: A rock resulting from the consolidation of loose sediment that has accumulated in layers. From this classification, three groups of sediments and sedimentary rocks can ...

There are three main types of rock: igneous rock, metamorphic rock, and sedimentary rock. Almost all fossils are preserved in sedimentary rock. Organisms that live in topographically low places (such ...

A compound is a substance that contains two or more elements close elementA pure substance that is made from only one type of atom. Elements are listed on the periodic table. Elements cannot be ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

There are three general ... fossils and rocks. Relative dating to determine the age of rocks and fossils Geologists have established a set of principles that can be applied to sedimentary and ...

They look a bit like geodes, but they’re not exactly geodes. There are three types of rock: igneous, metamorphic, and ...