Todo lo que nos rodea está hecho con recursos naturales. Algunas cosas son fáciles de reemplazar, mientras que otras no. Piensa en los alimentos que has comido o la energía requerida para acercar al autobús a la escuela. ¿Qué recursos naturales has usado hoy, y estos son fáciles de reemplazar? Adéntrate en la nueva entrega de la serie de libros de comparaciones y contrastes para aprender sobre los recursos del mundo, cuánto tiempo les toma reproducirse y cómo la tecnología y el ingenio están ayudando a calmar la tensión de nuestras reservas más preciadas.
Trees give us yummy apples but also help us build houses. One of these is natural, the other man-made. Can you identify the natural resource? In this edition of The Compare and Contrast Book series, we investigate common items around us and how natural materials are made into tools, toys, and even electricity. After exploring dozens of photos, readers will be a pro at identifying ways we use natural resources from plants, animals, and elements below the Earth’s surface.
Dog detectives? Thanks to superior sniffers, some pups learn to help scientists investigate and track endangered animals. The snoopers’ clue? Poop. Dogs that are part of wildlife detective teams are trained to catch the scent of wild animal poop (scat) so that scientists can learn about these animals without luring or trapping them. Like many pooper snoopers, Sampson, the dog in this book, was once a shelter dog, too hyper and ball crazy for families. That energy and ball drive is what makes him such a good dog detective. He is trained on many species, from salamanders to bears, but his goal is always the same. Find the scat and get the ball!
Everything around us is made from the Earth. Some things are easily replaced, while others are not. Think about the food you have eaten or the energy it took to zoom to school on the bus. What natural resources have you used today, and are they easy to replace? Step through the latest book in the Compare and Contrast series to learn about the world’s resources, how long they take to reproduce, and how technology and ingenuity are helping to relieve the strain on some of our most precious reserves.
Noses come in all kinds of shapes and sizes that are just right for its particular animal host. Not only do most animals use their noses to breathe but for many animals, the sense of smell helps them find food, a mate, or even to know when danger is near! Following Animal Tails, Animal Eyes, Animal Mouths (NSTA/CBC Outstanding Trade Science Award), and Animal Legs, Mary Holland continues her photographic Animal Anatomy and Adaptations series by exploring many different animal noses and how those noses help the animals survive in their habitats.
Hearing is an important sense for animals’ survival. Ears give animals vital information to help them find food or listen for predators ready to attack. This continuation of Mary Holland’s award-winning Animal Anatomy and Adaptations series features a wide variety of animal ears and how animals use them. Did you know that some animals have ears on their legs? Like the eyes, mouths, legs, and tails featured in previous books, animal ears come in a wide variety of shapes and sizes—a perfect match for each animal’s needs.
How much does an elephant weigh? How do you know? How would you know if you didn’t have a modern scale? Six-year-old Cao Chong, the most famous child prodigy in Chinese history, faced just this problem! Chong watches as the prime minister’s most trusted and learned advisors debate different methods. The principle of buoyancy and a little bit of creative thinking help this boy come up with a solution.
Jojo is prepping for an exciting night; it’s time for the bat count! Bats have always been a welcome presence during the summers in the family barn. But over the years, the numbers have dwindled as many bats in the area caught white-nose syndrome. Jojo and her family count the bats and send the numbers to scientists who study bats, to see if the bat population can recover. On a summer evening, the family quietly makes their way to the lawn to watch the sky and count the visitors to their farm.
Even kids can get involved in science! Ecologist Dr. Neeti Bathala and Jennifer Keats Curtis collaborate to bring us the story of these adventurous citizen scientists. Leena and her mom volunteer each summer to count the horseshoe crabs that visit their beach. With their dog Bobie at their sides, the duo spends a night on the shore surveying horseshoe crabs who have come to mate and lay eggs. Readers will learn valuable facts about these ancient animals and how they can get involved in the effort to conserve horseshoe crabs.
In beautifully detailed photographs, Mary Holland captures the first few months of a baby barred owls life. The huge eyes and fluffy feathers will steal the hearts of readers as they learn how barred owl parents ready their young owlets for the big world outside the nest. Follow along as Otis learns to eat, fights with his sister, and prepares for flight.
When a young girl finds a sparkly rock buried in the dirt and discovers that it cleans to a beautiful quartz crystal, she is fascinated and becomes Julie the Rockhound. Join Julie as her dad shows her how to dig for minerals and explains the wonders of crystal formation. Combining clever wordplay with earth science, young readers learn about Earth's most abundant mineral "treasure."
Alexa and the other children at her escuela in Costa Rica have a special project: they are raising American Crocodiles. She names her croc Jefe, which means "boss," because he seems to be in charge of all the other babies. Alexa brings him chicken and frogs to eat, and writes about his progress in her diary. Soon, her little hatchling is as big as a loaf of bread. He has grown into a juvenile and it is time for Alexa to say goodbye and for Jefe to return to the wild.
Can you smell with your feet? Do you dig your claws into a rivers muddy bank to climb up and bask in the sun? Animals legs are different from humans in so many ways! Find out why strong talons suit a raptor, or webbing is perfect for water dwellers as author Mary Holland continues her photographic Animal Anatomy and Adaptations series by exploring the ways insects, amphibians, reptiles and mammals make their way in the world.
Fall is here and Kate is determined to save her flowers from the winter cold. Mom shows her how to scoop the flowers out of the ground, transplant them into pots, and give them water. Kate pots a couple flowers . . . and then some moreand a few more. With Mom distracted on the phone, Kate has filled the house with flowers, but Dads sneezes mean the flowers have to go! Kate realizes she needs to find a new place for her flowers to spend the winter, but where?
Dena loves using magnets to perform magic tricks for the kids at the pool. When Enrique arrives in town, he doesnt like that Dena is fooling the others. He gives her a century-old treasure map and Dena uses her compass and tools to plot the location of the treasure. To her surprise, the treasure is not where it should be! What could cause her compass to lead her off course? When she discovers the answer, will Dena keep fooling the other kids with magic tricks or will she help them learn about magnetism and the earths shifting magnetic poles?
Sharks and dolphins both have torpedo-shaped bodies with fins on their backs. They slice through the water to grab their prey with sharp teeth. But despite their similarities, sharks and dolphins belong to different animal classes: one is a fish and gets oxygen from the water and the other is a mammal and gets oxygen from the air. Marine educator Kevin Kurtz guides early readers to compare and contrast these ocean predators through stunning photographs and simple, nonfiction text.
From slowing wildfires to planting seeds, one animal is the true superhero that keeps the African savanna in balance. Elephants dig to find salt that other animal lick, their deep footprints collect water for small creatures to drink, and they eat young trees to keep the forest from overtaking the grasslands. In every season, the elephants are there to protect the savanna and its residents but what would happen if the elephants were only once upon a time? Read along to discover the important role this keystone species plays in the savanna and explore what would happen if the elephants vanished.
All mammals share certain characteristics that set them apart from animal classes. But some mammals live on land and other mammals spend their lives in watereach is adapted to its environment. Land mammals breathe oxygen through nostrils but some marine mammals breathe through blowholes. Compare and contrast mammals that live on land to those that live in the water.
Spotting wildlife is a thrill, but its not easy. When Cole comes to visit his friend Helena, he cant wait to see all the wildlife the forest has to offer and is disappointed when all he sees are a few birds. Together the kids set out on a hike and encounter plenty of animal signs along the way. Through observation and her knowledge of animal behavior, Helena helps Cole learn what each of the signs means: something had been there; something had done that.
A retelling of the classic story with a math twist. Henry Hare was always bragging about how fast he was. One day he challenges Tessie Tortoise to a mile-long race up the hill. Henry leaps ahead for the first eighth of a mile. As Tessie approaches, he bounds ahead again. Fractions and distance measurements mark their progress as Tessie and Henry race to the finish line.
What makes a frog an amphibian but a snake a reptile? Both classes may lay eggs, but they have different skin coverings and breathe in different ways. Pages of fun facts will help kids identify each animal in the class like a pro after reading the fourth book in Arbordales Compare and Contrast series. Similar to Polar Bears and Penguins, Clouds and Trees; Amphibians and Reptiles uses stunning photographs and simple non-fiction text to get kids thinking about the similarities and differences between these two animal classes.
Spring has arrived and pollen is in the air. Baby Bear does not like the pollen - it sticks to his fur and makes him itchy and sneezy. He's allergic! Achoo! He just wishes the pollen were gone. When his friends gather to tell him why they need pollen, Baby Bear learns that pollen is good for the forest and provides food for many animals, including him! Pollen might be something we all love to hate, but can we really live without it? This story explains why we need it.
What are some things we can learn about animals from the shape of their mouths, beaks, or bills? What can we infer about animals with sharp teeth compared to large, flat teeth? Are there any animals that dont have mouths? Following in the footsteps of Animal Eyes, award-winning nature photographer and environmental educator Mary Holland shares fascinating animal mouths with readers of all ages.
Daisylocks needs a home that is just right. She asks Wind to help her find the perfect habitat to spread her roots, and he accepts the challenge. Wind blows Daisylocks to the plain, the mountain and the wetland. She objects to each place one by one too cold, too hard, too wet. Daisylocks is not ready to give up! They try the humid rainforest and then the warm beach; those are not just right either. Will Wind find the perfect climate and soil for Daisylocks to place her roots and grow into a beautiful flower?
Hurricane . . . just the word brings to mind the power of these natural disasters. Humans watch the news and know of impending arrival. We board up windows and gather supplies. We might huddle in our homes or go inland. Then we wait for the storm to arrive. But what do wild animals do? Do they know when a storm is coming? If so, how do they prepare? This book explains how nine animals sense, react, and prepare for a hurricane. Based on research or observations, the brief portraits are explained in simple, poetic language for children of all ages.
