Animals can be classified into different groups and each group has its own characteristics
This book shows how the service of citizens, workers, and leaders makes strong communities.
Identifies and compares characteristics of the planets.
Explains the development of the wheel and shows how wheels are used in various everyday objects.
Shows and explains how the continents, as well as wind, water, and ice, change the Earth's surface over time.
This book teaches how to read time lines by showing inventions that have changed daily life.
This book tells the story of the race between Amundsen and Scott to reach the South Pole first.
This book describes the work of six simple machines: pulley, lever, screw, wedge, inclined plane, wheel, and axle.
This book explains why and how ancient Egyptians built the Great Pyramid at Giza, long before modern machines and tools.
Discover more about the sun and its importance in supporting life on Earth.
There are many things in the body that you can count. Bones, teeth, muscles, and hair can all be counted. This book examines numbers and measurements related to the human body.
This book shows where and how volcanoes form and what happens when they erupt.
This book traces the life cycle of the silkworm moth.
This book describes meat-eating, poisonous, stinging, and helpful plants.
This book shows how the bicycle has changed in design and purpose over the years.
Animals grow and change throughout their lives. Different kinds of animals grow and change in different ways. This text introduces the life cycles of various groups of animals and includes butterfly and frog metamorphosis.
Looks at how inventions changed lives and are improved over time.
Describes roles and levels of government, and rights and responsibilities of citizens.
Presents reasons to collect data and ways to compare data, including tables and graphs.
In this concept book, students read detailed explanations about the objects in our solar system, how they move, and the different ways we have found to observe them.
Shows and explains how adaptations help plants and animals survive in different habitats.
Looks at the largest, fastest, and strongest of animals.
Presents landforms, climate, and how people depend on and change Earth.
Addition, subtraction, division and multiplication can be used to solve problems, large numbers can be used to represent large quantities
People develop and use machines to meet specific needs, they make work easier
Shows how natural forces cause constant changes to Earth's surface.
Considers the teamwork planning, equipment, and discoveries that are part of successful expeditions.
Looks at the architecture, culture, and technology of ancient civilizations.
Tells how the Aztecs created an empire, and explores the culture, architecture, and technology of their civilization.
Uses data and graphs to show the positive effects of conservation efforts.
Looks at facts and figures of a 26-mile race.
Describes unusual things animals do to keep safe
Follows a guide as he journeys through the Grand Canyon and explains its history.
Follow the Nile River from its source in the heart of Africa to the Mediterranean.
Gives a first-person account of climbing the world's highest peak.
This text describes American symbols: the flag, the national anthem, the bald eagle, the Capitol, and the Statue of Liberty.