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The Life Cycle of a Bird

Kathryn Smithyman, Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9781427165534

Although there are over 9,000 species of birds in the world, each develops from a single-celled egg, is incubated, hatches, and grows to adulthood. Some bird life cycles involve migration. The Life Cycle of a Bird focuses on the various stages and explains the differences in the length of time birds incubate their eggs and care for their young, the development of a chicken embryo and how a chick hatches, the dangers to nesting habitats, and the effects of pollution and how these affect the life cycle of birds.

The Life Cycle of a Honeybee

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9781427165589

These busy insects have intrigued people of all ages for thousands of years. The Life Cycle of a Honeybee describes each stage of a honeybee's life cycle from egg to adult. Full-color photographs, beautiful illustrations, and easy-to-understand text highlight how a queen lays eggs and forms a new hive, how eggs develop into workers, drones, or queen bees, how the body of a larva changes to that of an adult through metamorphosis, the roles of workers, drones, and queens in the hive, and how honeybees find food.

The Life Cycle of a Frog

Kathryn Smithyman, Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9781427165572

Frogs begin their lives as tiny tadpoles living in water. As adults, they live both on land and in the water. The Life Cycle of a Frog details the changes in a frog at the four stages: egg, tadpole, froglet, and adult. Illustrations, photographs, and easy-to-read text explain the facts about how the frog breathes and eats at each stage, the differences in the metamorphosis of frogs in southern and northern climates, and the dangers to frogs from pollution, pesticides, and destruction of habitat.

The Life Cycle of a Mosquito

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9781427165619

Mosquitoes have lived on Earth for more than 30 million years! Close-up photos and detailed illustrations depict the amazing changes a mosquito goes through in four stages: egg, larva, pupa, and adult. Kids will enjoy reading about different species of mosquitoes and - most importantly - why they bite! Topics include mosquito bodies and senses, where mosquitoes lay their eggs, the differences between male and female mosquitoes, and the diseases mosquitoes transmit and how to avoid mosquito bites.

The Life Cycle of a Beetle

Bobbie Kalman, Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427165527

Hundreds of thousands of beetles live all over the world in habitats as diverse as swamps, rainforests, and deserts. The Life Cycle of a Beetle describes the growth and development of these fascinating insects from egg to adult. Full-color images of all kinds of beetles, from the familiar to the extraordinary, are included. Illustrations and photographs illuminate topics such as where beetles lay their eggs, the transformation from larva to pupa to beetle, differences between male and female beetles, how beetles defend themselves against predators, the dangers faced by beetles, and how children can help beetles.

Metals: Shaping our world

John Zronik (author)

Publisher: Crabtree Publishing Company ISBN: 9781427166586

Metal ores are one of the Earth's most common minerals. Metals are useful in all types of industry because they last a long time, are conductors of electricity, and can be easily shaped. Since the first metal alloy was created more than 6,000 years ago during the Bronze Age, people have recognized the potential of extracting metallic elements from rock. Metals traces the history, uses, methods of extraction, and future of one of our most versatile resources. Topics include: early use of metals during the Bronze Age, the Iron Age, and the Copper Age which countries have the most deposits of metal ores, and how much metal different countries use extracting metals from ores by use of smelting, flotation, and leaching the equipment that geologists use to locate metal deposits in ore the lives of miners, including their working conditions, the equipment they use, and the dangers that they encounter working in open-pit and underground mines the role that recycling plays in saving our environment and how metals are recycled

¿Qué es el tiempo?

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9780778797722

We measure time in minutes, hours, days, weeks, months, seasons, years, and in historical dates. We talk about mealtimes, bedtimes, school times, holiday times, and good times. We also use words such as past, present, future, next, last, before, and after. This engaging book looks at human time as well as how time passes in nature. Time is about change. How do animals and plants sense changes in time? What changes do we see in nature throughout a day, month, and year?

¿Qué hacen estos animales?

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9780778797739

This fun book is about animal behavior. It challenges students to guess what animals are doing and why. Topics include camouflage and mimicry, color changes, migration, animal senses and adaptations, courtship dances, care from mammal mothers, playing dead, scary body parts, tongue teasers, and some silly stuff to encourage story writing.

What is a solid?

Lynn Peppas (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191113

Accessible text and vibrant design combine to provide readers with a solid introduction to this form of matter. Readers will learn the unique properties of solids and the conditions under which they change state.

What is a gas?

Lynn Peppas (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191090

Carefully constructed text and detailed photographs help readers identify the properties of gases. Readers will discover different kinds of gases and their practical, everyday uses.

How do we measure matter?

Lynn Peppas (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191083

This innovative title supports both math and science standards. Readers learn to identify different tools used to measure matter, such as balances, rulers, and thermometers. Easy to follow text helps readers gain hands-on experience measuring, collecting and recording data, and graphing their results.

What is electricity?

Ron Monroe (author)

Publisher: Crabtree Publishing Company ISBN: 9781427180544

Inspire readers to get wired for knowledge! This informative new title introduces the scientific principles of electricity. Full-color photographs, accessible text, and relatable, real-life examples explain how electricity is created, stored, and moved. Readers learn that electricity can occur naturally or can be produced by batteries or machines. Hands-on activities encourage readers to experience science in a meaningful way.

Is it transparent or opaque?

Susan Hughes (author)

Publisher: Crabtree Publishing Company ISBN: 9781427180650

Why can we see through some materials and not others? This informative title helps young readers discover the answer to this question and more. Readers explore the differences between transparent and opaque materials, including examples of their uses in everyday life.

Is it smooth or rough?

Heather Rising (author)

Publisher: Crabtree Publishing Company ISBN: 9781427180643

Why is your desk smooth? Why is sandpaper rough? What is friction? This engaging title invites curious readers to discover the answers to these questions. Vibrant photographs and accessible text encourage readers to investigate how smooth and rough materials are used in everyday life.

Is it hot or cold?

Susan Hughes (author)

Publisher: Crabtree Publishing Company ISBN: 9781427180629

This engaging title introduces readers to materials that are either hot or cold. Accessible text and close picture support invite readers to identify hot and cold things around them and understand why things melt and freeze. Readers will also learn how people measure temperature.

Is it magnetic or nonmagnetic?

Trudy Rising (author)

Publisher: Crabtree Publishing Company ISBN: 9781427180636

This colorful and engaging title is sure to attract curious readers! Using familiar examples, readers will discover the difference between magnetic and nonmagnetic materials. Accessible text and supportive images encourage readers to identify and classify materials based on magnetic attraction.

Is it heavy or light?

Susan Hughes (author)

Publisher: Crabtree Publishing Company ISBN: 9781427180612

This title has mass appeal! Colorful images and clear and concise text invite readers to look at the property of weight. Using familiar examples, readers learn how to tell the difference between heavy and light objects and learn how people weigh objects. Readers then identify, describe, and compare materials based on weight.

Is it flexible or rigid?

Sheila Fletcher (author)

Publisher: Crabtree Publishing Company ISBN: 9781427180605

This book looks at the difference between flexible and rigid objects. Using familiar objects, readers discover how flexible and rigid objects are used in everyday life. Readers are encouraged to identify and classify materials based on these physical properties.

What is wind?

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191434

This new book will blow readers away! Accessible text, interesting facts, and bright, colorful design create an engaging combination for young readers. Readers will discover how wind forms, its affect on people, plants, and animals, and the tools scientists use to measure wind direction and speed. A hands-on experiment teaches readers how to make a wind vane and use it to find the winds direction.

What is weather?

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191427

Weather changes from day to day and season to season. But what exactly is weather and how is it created? Readers will discover the answers to these questions and many other weather wonders. Bright, full-color photographs, inviting text, and engaging questions introduce readers to the different types of weather in our world and how it affects our lives.

What is precipitation?

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191403

From gentle showers to heavy downpours and slow flurries to hail, this appealing title will be a hit with readers rain or shine! Readers will learn the basic concepts of the water cycle, the features of different kinds of precipitation, and the role temperature has in determining what falls from our clouds.

What is temperature?

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191410

Temperature is a measure of how hot or cold something is. Temperature affects our lives from the clothes we wear to the activities we do. This engaging and entertaining title inspires a solid understanding of this essential concept. Readers also discover how a thermometer is used to measure temperature using units called degrees.

What is electromagnetism?

Lionel Sandner (author)

Publisher: Crabtree Publishing Company ISBN: 9781427180551

This engaging title explains that electromagnetism is the combined power of electricity and magnetism. Detailed images, clearly written text, and opportunities for hands-on learning combine to teach readers the core concepts of electromagnetism and their many applications in everyday lifefrom watching television to using a computer. Readers will learn how to build an electromagnet and perform tests to understand how to increase its strength.

What are electrical circuits?

Ron Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427180520

This comprehensive title introduces readers to current electricity and circuitsthe pathways through which electricity flows. Detailed diagrams and supportive text explain the basic components of an electric circuit and the functions of these parts. Through real-life examples and opportunities for hands-on learning, readers understand and construct simple open, closed, parallel, and series circuits.

What are insulators and conductors?

Jessica Pegis (author)

Publisher: Crabtree Publishing Company ISBN: 9781427180537

This informative title introduces readers to the electrical properties of different materials. Readers will learn that conductors are materials that allow the flow of electricity, while insulators are materials that do not allow the flow of electricity. Clear text and relatable, real-world examples help readers understand the importance of conductors and insulators and how each reacts to electric current. Readers will also learn how to perform simple tests to identify materials that are conductors and insulators.