How do penguin colonies care for their young? Why do great blue herons migrate in groups? How do prairie dogs warn others of danger? Discover the answers in this interesting book and learn about the many ways living in a colony helps animals survive. Free downloadable Teacher's Guide available.
Jump into orbit around some amazing objects in our solar system: dwarf planets! Take a fact-filled flight around Pluto, Ceres, Eris, Haumea, and learn what makes them so special. Explore their icy surfaces, their moons, and more. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Jump into orbit around one planet in our amazing solar system: Neptune! Take a fact-filled flight to learn what makes this ice giant so special. Explore its gassy atmosphere, backward-spinning moon, and more. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
The people of the Navajo Nation have lived in North America for hundreds of years. Discover this amazing nation, its proud history, and how its members continue to honor their culture today. Learn about traditional Navajo foods, art, and homes. Read about great leaders like Manuelito and Barboncito who fought to keep their people free. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Jump into orbit around one planet in our amazing solar system: Mercury! Take a fact-filled flight to learn what makes this tiny planet so special. Explore its speedy travel through space, giant craters, and more. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Rocks and minerals are all around us, but they're not all the same. Discover metamorphic rocks and find out how they form, what makes them unique, and how we use them. Explore some marvelous metamorphic rocks around the world, such as Japan's Susa Hornfels. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Rocks and minerals are all around us, but they're not all the same. Discover minerals and find out how they form, what makes them unique, and how we use them. Explore some marvelous minerals in places around the world, such as the lakes of Mount Kelimutu, Indonesia. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Jump into orbit around one planet in our amazing solar system: Mars! Take a fact-filled flight to learn what makes the Red Planet so special. Explore its double moons, giant craters, and more. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Have you ever wanted to be a lacrosse midfielder? Learn about this position and what it takes to be the best. Are you ready to be a great midfielder on the field? Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Jump into orbit around one planet in our amazing solar system: Jupiter! Take a fact-filled flight to learn what makes the Gas Giant so special. Explore its many moons, stormy skies, and more. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
The control and command center of the whole body, we wouldn't be able to breathe, have a heartbeat, avoid danger, or sleep without the nervous system. Find out what illnesses affect the nervous system and how medical research has advanced our knowledge. Full-color illustrations help readers visualize the nervous system at work. Free downloadable Teacher's Guide available.
The average person takes 17,000 breaths per day. This fascinating book examines the mechanisms that make breathing work and the diseases that make breathing difficult. Full-color illustrations help readers visualize the respiratory system at work. Free downloadable Teacher's Guide available.
Rocks and minerals are all around us, but they're not all the same. Discover igneous rocks and find out how they form, what makes them unique, and how we use them. Explore some incredible igneous rocks in places around the world, such as the Hawaiian Islands. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Your digestive system is like a production line. Food, drinks, or pills travel through tubes, filters, and holding rooms, as body chemicals work to extract nutrients. This fascinating book explores gut microbiomes, human waste, and how the digestive system identifies problems. Full-color illustrations help readers visualize the digestive system at work. Free downloadable Teacher's Guide available.
The immune system is a large network of cells, tissues, and organs that work together, acting like a fort with guards to keep out risky viruses and bacteria and destroy invaders. Readers will learn how researchers are striving to improve the body's immune system to fight off disease. Full-color illustrations help readers visualize the immune system at work. Free downloadable Teacher's Guide available.
Have you ever wanted to be a hockey goalie? Learn about this position and what it takes to be the best. Are you ready to be a great goalie on the ice? Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Legends and folklore developed over time that warned of powerful curses placed on those who would disturb a mummy's tomb. They might even come back to life to curse you! In this guide you'll find fascinating facts about how the Egyptians made mummies, where in the world different forms of mummification are practiced, how fascinated Europeans had mummy unwrapping parties in the 1800s, mummies in popular culture, and related undead creatures. Downloadable Teacher Notes available.
The legend of the unicorn is ancient. Cave paintings and stone carvings show one-horned creatures. Ancient travellers spread stories about the creature even though they had never seen one themselves. This fascinating guide outlines the facts about this shy, magical creature, including how it has become a symbol of purity and goodness, how it is believed to have healing powers, unicorns in popular culture, and related mythological horses. Downloadable Teacher Notes available.
Bigfoot is known by many names--Sasquach, Yeti, Yowie, and more. The information in this guide comes from legends in different parts of the world where sightings of hairy apemen are said to have taken place. Fascinating facts include how to tell if a bigfoot is nearby, where in the world they are thought to exist, reported sightings, and bigfoot in popular culture. Downloadable Teacher Notes available.
First reported in Puerto Rico in 1995, the chupacabra is a newcomer to the cryptid family. The information in this guide comes from reported events of livestock being sucked of their blood in different places around the world. Fascinating facts include theories these hellhounds are of an alien or military origin, where in the world they are thought to exist, reported sightings, and chupacabras in popular culture. Downloadable Teacher Notes available.
Why do gorilla troops move to a new area each day? Why do bonobos sleep in large groups? How do animals in a troop help raise young? Discover the answers in this amazing book and learn about the many ways living in a troop helps animals survive. Free downloadable Teacher's Guide.
Have you ever wanted to be a wide receiver? Learn about this position and what it takes to be the best. Are you ready to be a great receiver on the football field? Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Rocks and minerals are all around us, but they're not all the same. Discover fossils and find out how they form, what makes them unique, and what they tell us about the past. Learn about some fabulous fossils found around the world, such as Sue, the Tyrannosaurus rex. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Have you ever wanted to be a running back? Learn about this position and what it takes to be the best. Are you ready to be a great running back on the football field? Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
Pakistan is a country of stunning and diverse landscapes that include mountains, deserts, lush forests, plateaus, and raging rivers. Read all about the country's land and resources, the importance of the Indus River, and the impact of colonization by Europeans, as well as daily life and culture today for people across Pakistan. Free downloadable Teacher's Guide available.
