Endangered Desert Animals (Endangered Animals (Crabtree by Dave Taylor, J. David Taylor

By Dave Taylor, J. David Taylor

Ten endangered animals are highlighted in every one booklet with transparent, basic textual content matched via lovely, full-color pictures through natural world photographer and writer Dave Taylor. every one e-book is helping advisor the reader towards a better realizing of the risks those remarkable animals face as their habitats are constantly degraded and destroyed. Animals include:
Bactrian camel
dromedary
wasteland bighorn
Gila monster
addax
Prezwalski's horse
desolate tract cats
and extra

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Does It Really Take Seven Years to Digest Swallowed Gum?: by Sandy Donovan

By Sandy Donovan

It takes seven years to digest swallowed gum. A penny put on a teach music could cause a educate to derail. the common human consumes 4 spiders consistent with yr whereas drowsing. you could have heard a few of these universal sayings or ideals earlier than. yet are they honestly precise? Can they be confirmed utilizing technology? Let's examine seventeen statements approximately known goods and daily occasions and discover which of them are correct, which of them are mistaken, and which of them nonetheless stump scientists! discover no matter if eggs will relatively stand on their ends throughout the vernal equinox! notice no matter if it is actual that you should swing 360 levels on a swing set! See if you happen to can inform the variation among truth and fiction with Is truth?

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IGCSE Study Guide for Chemistry by Bob Berry

By Bob Berry

This examine consultant has been written specially for college kids getting ready from the collage of Cambridge overseas exam IGCSE Chemistry syllabus (Core and prolonged curriculum). It presents the entire clarification and suggestion scholars have to research successfully for the examination. the topic is split into themes. every one subject begins with an inventory of Key goals, which specifies the talents and information that scholars have to gather throughout the path. the place acceptable, there's additionally a listing of Key Definitions. the foremost principles sections define the content material and will be utilized by scholars to examine that they be aware of and comprehend the fundamental recommendations for IGCSE Chemistry. universal misconceptions and error and highlighted. pattern questions and solutions and examiner's reviews convey scholars how you can increase their solutions and bring up their grades. additional questions (with solutions behind the ebook) enable scholars to check their wisdom. Written by way of skilled academics and examiners, the sequence is counseled by way of the collage of Cambridge foreign Examinations.

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How to make a telescope by Jean Texereau

By Jean Texereau

The 1st variation of this booklet used to be universally acclaimed because the most sensible booklet ever written for creating a Newtonian telescope. This second variation is nearly 3 times better and provides to the unique textual content new chapters on creating a Cassegrainian telescope, optical home windows, and equatorial mounts. Chapters on eyepieces and astronomical seeing were elevated. computing device courses written in primary easy for relief of Foucault try info. incorporated are indexes for the 3 precept magazines that hold telescope making details: Sky and Telescope's "Gleanings for ATM's" from November 1941 via June 1998, medical American journal from 1925 via 1959 and the entire run of Telescope Making journal. This publication is the main whole unmarried paintings to be had on making reflecting telescopes.

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