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.
Addition, subtraction, division and multiplication can be used to solve problems, large numbers can be used to represent large quantities
Shows and explains how adaptations help plants and animals survive in different habitats.
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.
People develop and use machines to meet specific needs, they make work easier
This book offers detailed explanations about the objects in our solar system, how they move, and the different ways we have found to observe them.
Shows how natural forces cause constant changes to Earth's surface.
Looks at the architecture, culture, and technology of ancient civilizations.
Considers the teamwork planning, equipment, and discoveries that are part of successful expeditions.
Presents landforms, climate, and how people depend on and change Earth.
Looks at how inventions changed lives and are improved over time.