Longitude and latitude are one of the key concepts involved in using maps. Readers will learn the difference between the two types of lines and how to find them on both maps and globes. They will also
Bill Gates' innovations at Microsoft have made him one of the most influential and well-known figures in the history of personal computers. Along with his wife, Melinda, he has also become one of the
From pie charts and bar graphs to calendars and sheet music, charts and graphs help us organize complex information and present it in a way that is easy to understand. Readers will learn to identify a
Introduces basic scientific principles about rocks and minerals, providing instructions for simple experiments that examine such topics as hardness, formation, and erosion.
Bacteria are the most common living things on earth and you carry them wherever you go. Most of them couldn't hurt a flea, but if conditions are just right, they can cause big problems!
Hopefully, the worst thing your pet ever comes home with is bad breath. But some furry friends can carry nasty germs, and that's where zoonotic disease researchers come in and investigate and stop ani
Presents two real cases in which animals were carriers for disease that affects humans, and discusses how doctors uncovered the cause and attempted to stop the spread of the disease.
Presents stories of real teens caught up in addictive behavior and substance abuse and uses a question-and-answer format to provide information about drugs and their effects.
Describes what makes people cough, sneeze, burp, yawn and have other such reflex responses and explains the role these actions play in maintaining health.
Offers information on science laboratories in extreme environments, including five thousand feet underground, in the middle of Antarctica, and at the bottom of the Atlantic ocean.
Presents information about the causes of such extreme weather as hurricanes, tornadoes, droughts, snow storms, giant hail, and wild fires, including examples of such events from the past.
A series of biographies of artists for young readers provides hilarious, cartoon-style illustrations to complement the easy-to-read text and full-color reproductions of each master's artwork. Includes
Examines the formation and eruption of volcanoes, describes the damages and benefits of volcanoes, and discusses steps taken to predict eruptions and protect the surroundings.
