What Are Crystals?

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197405

Sign in to Read

Description

Crystals are made up of minerals hardened into distinct shapes with regular repeating patterns. This informative book takes a look at the underground process that creates crystals, from sparkling quartz to ordinary salt, as well as where they are found and how they are mined.

Reading Level
Lexile
IG920L
Fountas Pinnell Guided Reading
U
ATOS
6.0
DRA
50
Categories
Genre
Geography Nature Science & Technology
Interest Age
Ages 6-8 Ages 9-12
Grade
3rd Grade 4th Grade 5th Grade 6th Grade
Subject
Science Social Studies
Language
English (US)
Fiction/Non-Fiction
Non-Fiction
More Like This

How to be a Rock Collector

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197399

Rock collecting is a hobby that is easy to start. This engaging book describes how to dig, where you can and can't dig (restricted in national parks), the necessary equipment, how to identify rocks and gems, and the proper recording and storage of your collection.

What Are Fossils?

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197412

This fascinating book explains how plants and animals become fossils, how they are extracted from excavation sites, and how paleontologists and geologists piece together Earth's history by studying these ancient clues.

What Are Minerals?

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197429

Minerals are chemicals that are the building blocks of rocks. Metals, crystals, and gemstones are all minerals found in rocks. This interesting book describes how to identify minerals, where they can be found, the rock cycle process, the uses of minerals, and how they are mined.

What Are Igneous Rocks?

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195227

Igneous rock has a dramatic beginningit requires red-hot volcanic activity. This fact-filled book explains how granite, lava, basalt, silica, quartz and feldspar are formed after hot, molten rock cools. Readers will also learn about volcanoes and tectonic plates, the minerals that make up igneous rocks, and the crystallization of rock material.

What Are Metamorphic Rocks?

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195234

Heat, pressure and stress can also change some igneous or sedimentary rocks into other kinds of rocks. This fact-filled book describes the process that turns limestone into marble, shale into slate, and granite into gneiss. Metamorphic rocks are often used as materials for floors, roofs, and counter tops because of their beauty.

What Are Sedimentary Rocks?

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195241

It all starts with erosion for sedimentary rock. Worn down bits of rock become pressed together under pressure into strata, or layers. The formation of rock such as sandstone, shale, limestone, and dolomite is explained in this fact-filled book. Readers will also learn that this type of rock is useful in determining the Earths geological history because its layers often hold fossils and other geological clues.