It takes millions of years to make coal! Today, one-third of the worlds electricity is created from burning coal. It is an important resource to understand as an energy source, even though its use can be controversial. This volume covers the process...Daugiau...
What exactly is a gem? How is it used, besides in jewelry? Gems are some of Earths most precious resources, and some of them are millionsor even billionsof years in the making. In this instructive volume, readers learn about the incredible process...Daugiau...
What kinds of scientists need math, physics, chemistry, and biology knowledge thats out of this world? Aerospace engineers! These incredible scientists are leading the way in learning more about outer space and help to build the technology we use to...Daugiau...
What kinds of scientists need math, physics, chemistry, and biology knowledge thats out of this world? Aerospace engineers! These incredible scientists are leading the way in learning more about outer space and help to build the technology we use to...Daugiau...
What exactly is a gem? How is it used, besides in jewelry? Gems are some of Earths most precious resources, and some of them are millionsor even billionsof years in the making. In this instructive volume, readers learn about the incredible process...Daugiau...
Anthropology is the study of peoplewhere we came from, how we lived long ago, and more. This book explores how anthropologists combine a study of history and science to build an interesting career full of discovery. Readers learn about physical and...Daugiau...
Steel is one of the most important building materials in use today. Its used to create skyscrapers, bridges, and many other large constructions. And whats a key part of steel creation? Iron ore, a natural resource! In fact, about 98 percent of all...Daugiau...
How can the smallest things on Earth have such a big impact? Thats exactly what microbiologists study! From viruses to mold, the tiny organisms that microbiologists focus on can help answer important, everyday questions like why someone is sick or h...Daugiau...
Geneticists the study of all the traits and features that are passed from parents to children, from eye color to genetic disorders. They look for patterns and use them to decode and understand the world around us. These amazing scientists have helped...Daugiau...
How can the smallest things on Earth have such a big impact? Thats exactly what microbiologists study! From viruses to mold, the tiny organisms that microbiologists focus on can help answer important, everyday questions like why someone is sick or h...Daugiau...
Computer scientists are hard at work writing programs to collect, store, protect, and analyze huge amounts of data. They may pioneer data security plans or be part of cutting-edge medical research. In this informative volume, readers are introduced t...Daugiau...