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Describes the life and ideas of the Greek philosopher whose principles greatly influenced mathematics and physics.
Describes the physical characteristics and properties of the element Helium.
Explores the element of Aluminum and its uses.
Explains the characteristics of manganese, where it is found, how it is used by humans, and its relationship to other elements found in the periodic table.
Widely regarded as the father of modern genetics, Austrian friar and scientist Gregor Mendel discovered that inherited traits do not blend together, as people once believed. By cultivating thousands of pea plants in his monastery garden and statistically analyzing the results, he was the first to determine how genes (which he called "heredity factors") function, and he coined the terms "dominant" and "recessive." This title traces the amazing story of Mendel's life and work, and relates Mendel's discoveries to our knowledge and application of genetics concepts today. The text supports the Common Core aims of understanding domain-specific vocabulary in science and analyzing the development of important ideas.
Iron is the most common metal found on earth. Not often found in its pure form, it is fashioned into things that are used every day. Iron forms part of the earth's core and is even added to breakfast cereal. From its early uses by the ancient Egyptians to modern times, this volume simplifies the complex facts of iron into an easy-to-understand story. Also explained is iron's place on the periodic table and how to locate it on the table.
Though women had been involved in war efforts in every conflict in American history, more women participated in the Gulf War than in any war before it. When the Gulf War began in 1990, women in the military were still not allowed to fight on the front lines, in positions that directly engaged the enemy, but the roles they held still proved challenging and dangerous. This engrossing book tells the stories of the women who fought bravely in the air, on land, at sea, and in enemy camps as prisoners of war, as well as honors those who gave their lives for their country.
Explains the characteristics of fluorine, where it is found, how it is used by humans, and its relationship to other elements found in the periodic table.
Describes the dangers of using caffeine and nicotine, discussing the various effects they have on the human body and their impact on society.
Named for the Greek god of the sun, Helios, Helium is the second most abundant element in the universe. Scientists discovered helium while they were studying the sun. A colorless and odorless gas, helium is so light it floats in air. At first scientists couldn't decide if helium was useful for anything. Today, helium is extremely valuable and rare, used in devices ranging from medical equipment to laboratory instruments to welding to scuba gear, and more. This book will help students better understand the basics of chemistry as they learn what helium is and how important it is in our daily lives.