Thursday, July 31, 2014

Learning about Rocks, Minerals, Crystal and Gem

DK is hosting a boutique celebrating the first-ever release of the much-loved Eyewitness series of reference books for children in paperback. These books are wealth of knowledge. For over 25 years, DK's Eyewitness books have been the most trusted nonfiction series in classrooms, libraries, and homes around the world. These award-winning, iconic series of books get a fresh new look both inside and out.
The eye catching jackets, and updated interiors ensure that the Eyewitness series will continue to be relevant in the ever-changing world of education and remain the go-to source for homework help, research projects, reluctant readers, ESL students, and to satisfy the minds of curious children.
This Rocks and minerals book teaches us about how rocks and minerals are formed and used. Rocks are natural aggregates or combinations of one or more minerals, which are organic solids with definite chemical compositions. Rocks are formed because of the continual cycles in the geological process that redistributes the chemical elements in minerals and rocks. This depends on the Earth's internal heat and the sun energy on the surface. Interesting information about volcanic rocks, pigments, building rocks, coals, fossils, gemstones, decorative stones, metal and more are mentioned in this book.
The book about Crystal and Gem allows us to admire the beauty and versatility of crystals and gems. This colourful book teaches us how to identify the crystals. It says how crystals work, and how it is used in everyday products.

The book has information about the Hardness Scale, which uses 10 minerals for is scale. The property of hardness depends on the strength of the forces holding the solid's atoms together. I found it interesting that each of these minerals can scratch only those below its scale.

Diamond is the hardest mineral to find, and is famed for its lasting fiery brilliance. Diamonds are measured by four Cs, which stands for colour, clarity, cut, and carat weight. These precious stones that cannot be scratched by any other are found in river gravels, and kimberlite rocks where the term we use is literal "Diamond in the rock." The book also mentions about cutting, polishing, tools used, and more.

These are good books for children to learn about different kinds rocks, minerals, gems and more.

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5 comments:

  1. This is a great book for kids, they are always looking for different kinds of stones, I had some real pretty ones when I was younger

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  2. Loved geology growing up! Would be awesome for kids!

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  3. I have a niece that would love this book!!

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  4. Would make a nice gift for any of my grandkids!

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  5. My mom passed away a few years ago and we are finally going through her attic. We found my brothers gem and rock kit from when he was about 8 or so and it brought back such wonderful memories!

    These books look awesome!

    Thanks

    RAFFLECOPTER NAME is Anne Taylor

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