This fascinating book, illustrated with colorful photographs, makes the topic of symbiosis easy and fun. It looks at the positive, negative, and neutral effects that result when different kinds of animals interact with each other. Symbiotic relationships highlighted include birds and fish that clean parasites off other animals, bacteria that help keep animals and people healthy, mosquitoes that pass diseases such as malaria, predators that hunt prey, and scavengers that help clean the earth. Other examples of symbiotic relationships include several kinds of animals. Students are asked to illustrate symbiosis in human relationships that are similar to those found in nature.
Foxes, rabbits, mongooses, rats, starlings, turtles, Burmese pythons, and Asian carp are just a few of the invasive animals introduced by people into countries and ecosystems to which they do not belong. This important book describes how these animals are destroying habitats and endangering the lives of native animals, some of which have been brought close to extinction. Students will learn how some arrived accidentally on boats, while others were brought in by people, to be used either as a form of pest control on farms, for hunting or hobbies, or as pets that sometimes get abandoned in the wild by owners. Many native animals, such as raccoons, squirrels, and coyotes have also become invaders in cities, back yards, and homes. Students can research invasive species in their areas and help find ways to stop these wild invaders from taking over the natural habitat.
Why are the first years of learning so important? What happens at puberty, and how is it different for boys and girls? Your Growing Body and Remarkable Reproductive System is a frank and sensitive journey through the body's developmental stages: how we are born, grow, and age. Every spread opens with an amazing science fact about the human body, then goes on to explain the science behind the fact. Detailed diagrams and amazing images illustrate the lively text.
Black Tuesday and the Great Depression explores the causes of the stock market crash in 1929 and the resulting Great Depression. For more than ten years the effects of October 29, 1929, known as Black Tuesday, were felt not only in North America, but worldwide. Source material, including posters, political cartoons, books, interviews, and articles show the devastation of the resulting mass unemployment, epidemic real estate foreclosures, and crushing poverty of those years.
This thoughtful book describes the course of events that followed the end of World War II, and the war's long-term legacy. Readers will learn about war crimes trials in Japan and Germany. The Nuremburg Trials detailed the horrifying mass murder of six million Jews by the Nazis during the Holocaust. The Paris Peace Conference in 1947 redrew international boundaries and created the state of Israel in an attempt to ensure the survival of the Jewish people. It also split Germany into two parts, each occupied by different countries and setting the stage for a new kind of war - the "cold war." Discussion boxes describe reconstruction in Germany and Japan, what lessons leaders learned from the mistakes of WWI's Treaty of Versailles, and the founding of the United Nations.
This fascinating title sets the world scene in the two decades between the end of World War I and the start of World War II. Readers will get a snapshot of the political and economic situations around the world. Most countries experienced booming economies following WWI. But Germany, punished under the terms of the Treaty of Versailles, suffered under great hardship. With the stock market crash in 1929 and the Great Depression that followed, the world found itself moving again toward war. Find out how the humiliation and poverty of the German people led to the rise of Adolf Hitler and the Nazi Party - and a second world war.
Travel back in time to the big bang, and learn about the formation of the universe. Explore the baffling world of black holes, and find out how scientists are searching for alien life. Discover the strangest sights of the universe, from quirky quasars to clouds that smell like raspberries.
Students will love learning about the way of life of polar bears and the challenges they face as babies and adults. An exciting narrative format supported by fun facts, questions, and activities, tells the story of two polar bear cubs born in a den dug by their mother deep under the winter snow of the Arctic. The cubs snuggle up to their mother to drink her milk and keep warm. In spring, the mother and cubs emerge from the den and face the challenges of moving onto sea ice, where the hungry mother hunts for seals to eat. The cubs are given hunting lessons and have their first taste of seal. They ride on their mother’s back in the ocean, wrestle and play, and explore their cold habitat. Readers will love these majestic animals and learn to write their own stories about them.
What are bones made of? Which is the biggest and which is the smallest? What different types of muscle are there, and what jobs do they do? Your Strong Skeleton and Amazing Muscular System takes readers on an entertaining tour of the body's skeletal and muscular systems. Every spread opens with an amazing science fact about the human body, then goes on to explain the science behind the fact. Detailed diagrams and amazing images illustrate the lively text.
Students will love learning about the way of life of raccoons and the challenges they face as babies and adults. An exciting narrative format supported by fun facts, questions, and activities, tells the story of one of the most adaptable animals on Earth. Raccoons eat almost anything, live in many kinds of habitats, including cities, can climb buildings as well as trees, and are able to change to overcome many challenges. This story follows a raccoon family’s nightly adventures in a forest near a suburban community, as they look for food in both their natural habitat and people’s back yards. What other animals will they meet? Readers will be asked to write about their own experiences with these cute but often challenging animals.
Learn all about the sparkling world of stars from their beautiful births to their dramatic deaths. This fun book describes our very own star, the Sun, as well as best-friend binary star pairs and dense neutron stars. Gaze at gorgeous galaxies and marvel at the Milky Way.
Uncover the amazing story of astronomy from telescopes in space to outstanding observatories. Learn about the latest space probes, how rockets lift off, and what it's like living in the weightlessness of space. And find out about the remarkable astronauts who have spacewalked their way into history.
Students will love learning about the way of life of foxes and the challenges they face as babies and adults. There are gray foxes, arctic foxes, fennec foxes, cape foxes, swift foxes, kit foxes, and red foxes. An exciting narrative format supported by fun facts, questions, and activities, tells the story of a red fox family. Found all over the planet, red fox families start with the birth of four to six kits. Born in a den, the baby foxes leave the den with their mothers after two to three weeks and start to play, pounce, and hunt. What adventures will they have? Will they meet some other animals along the way? Readers will love these adorable animals and learn to write their own stories about them.
What is blood made of? Is it always red? How does blood reach your toes and travel back to the heart again? Your Hardworking Heart and Spectacular Circulatory System takes readers on an entertaining tour of the body's heart and circulatory system. Every spread opens with an amazing science fact about the human body, then goes on to explain the science behind the fact. Detailed diagrams and amazing images illustrate the lively text.
Why is breathing in harder than breathing out? Why does talking depend on breathing? Your Breathtaking Lungs and Rocking Respiratory System takes readers on an entertaining tour of the lungs and the process of breathing. Every spread opens with an amazing science fact about the human body, then goes on to explain the science behind the fact. Detailed diagrams and amazing images illustrate the lively text.
What does the liver do? What happens to all the food we eat? Why does the small intestine need to be so long? Your Growling Guts and Dynamic Digestive System takes readers on an entertaining tour of the body's different digestive organs and the process of digestion. Every spread opens with an amazing science fact about the human body, then goes on to explain the science behind the fact. Detailed diagrams and amazing images illustrate the lively text.
Students will love learning about the way of life of wolves and the challenges they face as babies and adults. An exciting narrative format supported by fun facts, questions, and activities, tells the story of gray wolves who live in highly structured social units called packs. A pack has one breeding pair and their offspring, and may include older siblings or wolves from other packs. This delightful adventure story starts with the excitement created by the birth of newborn cubs and how the other members of the pack bond with them. The cubs are taught vocal and physical communication and soon learn to hunt with the pack. This exciting story will enrich students' understanding of the importance of gray wolves to ecosystems in North America. Young readers will be amazed by how much the lives of wolves mimic their own lives!
How are memories formed? How do we learn? How does your brain control your body functions? Your Mind-Bending Brain and Networking Nervous System takes readers on an entertaining tour of the body's brain and nervous system. Every spread opens with an amazing science fact about the human body, then goes on to explain the science behind the fact. Detailed diagrams and amazing images illustrate the lively text.
Explore our stunning solar system and learn about its eight planets from mini Mercury to giant Jupiter. Find out about marvelous moons and mighty meteorites, and be dazzled by curious comets and eccentric exoplanets.
This compelling book follows the significant battles over the course of World War II. European countries and their colonies and allies, such as the United States and Canada, supplied forces for battles. Readers will learn that fighting took place in five parts of the world: western and eastern Europe, North Africa, the Balkans, the Middle East, and Asia. New advances in technology since WWI led to fierce fighting on land, at sea, and in the air. Find out how victory was won or lost in such famous conflicts as the Battle of the Atlantic, Germany's Blitzkrieg, the Battle of Britain, Dieppe, Paris, Stalingrad, Berlin, Midway, Pearl Harbor, and the dropping of the atomic bombs.
A worldwide conflict, World War II involved alliances between political leaders and military forces from many different countries, including the United States and Canada. This fascinating book looks at key figures involved during this war of expansion by invasion. Brief biographies give details of the lives and actions of political leaders Hitler, Churchill, Roosevelt, Truman, Stalin, Hirohito, and Tojo; military leaders Rommel, Goring, Donitz, Dowding, Pound, MacArthur, and Patton; as well as flying aces, code breakers, and activists.
In this exciting title, Joe and Dr. Bea blast off on an expedition into space! Join the two scientists as they explore life on board the International Space Station (ISS), experience a spacewalk, study the planets, and discover the beauty - and dangers - of our solar system.
While exploring a cave, Joe and Dr. Bea encounter all sorts of wildlife living in the damp cavern. Can the two scientists find their way out? In this engaging title, readers learn all about stalactites, stalagmites, and how animals survive and adapt to life in the dark.
Leo teaches his cat Pallas all about different materials by applying his knowledge of science to their stone age world. Engaging illustrations and stories provide a fun introduction to science concepts, including the use of metals, concrete, crystals, melting points, combustion, and more. Information boxes accompany each story to explore real applications of materials in the natural and designed world.
From rickshaws and rowboats to camels and cargo ships, this dynamic title looks at the different ways people and things move from place to place. Readers will learn how climate and environment affect transportation around the world.
