This book offers a brief overview of the structure, function, makeup, and specific types of cells, including both animal and human cells.
This introduction to outer space explains the size of the planets in the solar system, measuring distance in astronomical units, gravity, and related math concepts.
This book discusses notable construction projects, the techniques used to build them, and related math concepts.
El libro muestra cómo las matemáticas ayudan a los científicos a entender el espacio, el tamaño del sistema solar y las condiciones en otros planetas. Las matemáticas hacen posible, en gran parte, la exploración espacial.
Readers will be introduced to an important stage in history when they read Building The Erie Canal. This book is filled with photographs, interesting facts, discussion questions, and more, to effectively engage young learners in such a significant re-telling of events.
Readers will be introduced to an important stage in history when they read America Enters The Industrial Revolution. This book is filled with photographs, interesting facts, discussion questions, and more, to effectively engage young learners in such a significant re-telling of events.
En el libro se explica cómo se puede vivir en casas amigables con el medio ambiente.
Explores electricity from the power plant to your home. Includes how electricity is made, circuits, how we use electricity, and the effects our changing world and weather have on how it works.
This book discusses types of weather, including storms, weather instruments, and how weather is predicted.
Explores elements and atoms, the rows and columns of the periodic table of elements, metals and nonmetals, and how elements form compounds.
This book describes the eight planets, dwarf planets, and other objects in the solar system.
Discusses things that rot and break down and things that don't. Investigates how decomposing things may feed insects or animals and help the soil. Discusses recycling.
Discusses solids, liquids and gases as well as the changing states of matter, water, weather, and evaporation.
Introduces atoms and molecules, talks about the elements, bonding and reacting, as well as matter and materials.
Discusses how plants use sunlight, water and soil for food, and how the plant transports food as well as plant reproduction, seeds, and survival.
Defines geology and discusses Earth's layers, soil, plate tectonics, types of rocks and the rock cycle, and land formations.
Discusses digestion, where food goes when you eat, the role of your mouth, stomach and intestinves, and why you need food.
Discusses the food chain and includes a description of terms like energy, producers, consumers, decomposers, and how these all fit together.
Explores energy, how we use it, different types and forms of energy, conservation and transformation, renewables vs. non-renewable, and energy conservation.
Take an in-depth look at plant life in this science encyclopedia.
Take an in-depth look at animal life in this science encyclopedia.
Research projects and fun science experiments are shown in this science encyclopedia.
Take an in-depth look at mathematics in this science encyclopedia.
Take an in-depth look at earth science in this science encyclopedia.
