It is essential that scientists design a plan to ensure their experiments are conducted accurately and safely. Readers will learn how to gather materials, and create a step-by-step procedure to test their hypothesis. Readers will become familiar with controls and variables in a scientific setting.
Science engages a curious mind. Questions can come from practically anywhere. Readers will learn why scientists ask questions and how to develop meaningful questions to help guide their scientific experiments.
Science never stops-even when the experiment is complete. Now is the time to make sense of your data. This title teaches young scientists how to analyze, interpret, and communicate the results of their data.
Sharpen your pencils and put on your goggles! It's time to see science in action! This book helps readers hone their observation and recording skills during an experiment. Students will learn how to effectively collect and record data in a journal, as well as organizing data using graphs, charts, and diagrams.
Sometimes a hunch isn't enough. Learn how scientists make educated guesses called hypotheses to test their theories. A hypothesis is the foundation of the scientific method. Readers will learn how to construct a measurable and focused hypothesis to test in an experiment.
Science was meant to be shared with others. Scientists must now determine whether or not the data supports their hypothesis. This book illustrates fun and interesting ways in which to report your results, from a science fair demonstration to a written report. Readers are also encouraged to use their results as a springboard for further experimentation.
In this fascinating new book Slim explores the essential nutritional value of oils and water. Children will learn why oils are essential to health, what foods produce oils, what oil products are consumed around the world, and how much oil is needed every day. Readers will also learn about why drinking enough water is essential to good health and how much water they need each day.
In this interesting new book Slim explores the essential nutritional value of the vegetable group. Children will learn about the incredible variety of vegetables and vegetable products, the history of vegetables in the human diet, what is special about dark green and leafy vegetables, what changes occur when vegetables are cooked, vegetables grown around the world, and how many vegetables a person needs each day.
In this meaty new book Slim explores the essential nutritional value of the meat group. Children will learn that this group is made up of more than meat. It includes poultry, fish, dry beans, eggs and nuts. They will also discover why tofu is part of this group, how this group helps build strong muscles, what different kinds of meats, poultry, fish, etc. are eaten around the world, and how much a person needs to eat each day from this group.
In this interesting new book Slim explores the essential nutritional value of the dairy group. Children will learn about why dairy products are so important for healthy bones and teeth, how milk is brought to market, the difference between whole milk and fat-free milk, how cheese and yogurt is made, what kinds of animals produce milk, different dairy products used around the world, and how much dairy a person needs to consume each day.
In this sweet new book Slim explores the essential nutritional value of the fruit group. Children will learn about the amazing amount of water in fruit, how fruit blossoms, why the tomato is considered a piece of fruit, the wide variety of products made with fruit, groves and orchards around the world, how worms get into apples, and how many fruits a person needs to eat each day.
Squirt may be a tiny gland, but young readers will thrill to learn just how important he is. Come inside to see the powerful effects of the pineal, pituitary, thyroid, and adrenal glands. The roles of the hypothalamus and pancreas will also be explored along with the function of hormones.
Huff & Puff, our Body Buddy lung twins make learning about the lungs and respiratory system exciting! Readers are introduced to the bronchial tree. They will discover how the diaphragm and intercostals muscles help the lungs fill and empty. Easy-to-follow text will guide young readers through this detailed topic, helping to ensure absorption of the material.
Struts and Flex, our muscle and bone Body Buddies give the inside scoop on this active partnership. Readers are introduced to the structure and function of bones and muscles. They will discover how different joints enable different kinds of movement and how muscles must work in teams.
In 1912, German meteorologist Alfred Wegener proposed that the continents were once a single land mass but had slowly moved apart over millions of years. This fascinating book examines the scientific process behind Wegener's theory and how it challenged prevailing views of the time. Learn how years after Wegener's death his theory was embraced by scientists and is now the basis for modern earth science.
Join Gurgle, our Body Buddy stomach and learn all about what happens to food after it is swallowed. Readers will learn about their esophagus, stomach, liver, small and large intestine.
Join our Body Buddy Ticker as he explores the workings of the heart and circulatory system. Children will learn how the amazing heart muscle works, and will discover how blood vessels transport life-giving oxygen to the cells and carry away carbon dioxide. Colorful layouts make learning about this complex topic easy and fun.
Join our brain Body Buddy Cognos and learn all about how the brain and nervous system work. Children will discover the location of the major parts of the brain and gain understanding of their various functions. Involved topics like nerve signals are explained in an entertaining and straightforward way for young readers.
Learn how John Dalton developed his influential theory that explains the shape, structure, and behavior of atoms. This title also explores how Dalton's major breakthrough made later discoveries, such as atomic fission, possible.
This engaging title examines how Darwin developed his controversial theory of evolution, including his research methods and the data gathered during his extensive voyages. The book also explores the controversies that developed around the publication of Darwins theory of natural selection and how the debate continues today.
French chemist Louis Pasteur made several significant contributions to the world of science. This intriguing book examines how Pasteur uncovered the basis of the modern germ theory. Readers will learn how Pasteur's theory helped him develop vaccines for anthrax, rabies, and other diseases and how his work continues to influence modern medicine.
This fascinating new title examines the sequence of events that led to the formation of cell theory. In 1665, scientist Robert Hooke published Micrographia, the first significant work focused on miscroscopial observation. His groundbreaking work inspired scientists and led to the creation of this fundamental biological principle that shaped modern biology.
This exciting book examines how Sir Isaac Newton developed three basic laws that govern the way in which objects move. Readers will learn how Newton expanded on the work of other great scientists, including Galileo and Copernicus, to make his important discovery. The book also explains how Newtons laws have influenced modern science and technology in areas such as sports and transportation.
This informative book follows the St. Lawrence River, once a main route of the fur and timber trades. This important commercial waterway forms part of the boundary between Canada and the United States and connects the Great Lakes with the Atlantic Ocean. Today, a system of canals, dams, and locks lets seagoing ships travel all the way to Lake Superior.
The Nile is the worlds longest river and the birthplace of one of the greatest civilizations of the ancient world. This book takes readers along the River in the Sand. Ancient Egyptians depended on the Niles annual floods to deposit fertile soil for farming. Today, more than 70 million people still grow crops in the rivers basin and fish in its waters.
