Introduces readers to basic measurement tools, such as rulers and thermometers. Readers will learn how to use these tools to make different kinds of measurements. Additional features to aid comprehension include a table of contents, labeled diagrams, a quiz and answer key, a phonetic glossary, an index, sources for further research, and an introduction to the author.
Introduces readers to the basic features of a graph, such as legends, labels, and scales. Readers will learn how to use these features to read bar graphs, line graphs, and many other kinds of graphs. Additional features to aid comprehension include a table of contents, labeled diagrams, a quiz and answer key, a phonetic glossary, an index, sources for further research, and an introduction to the author.
Introduces readers to the basic features of a recipe, such as ingredient lists and the importance of following directions in order. Readers will learn how to measure liquids and solids and follow steps chronologically. Additional features to aid comprehension include a table of contents, labeled diagrams, a quiz and answer key, a phonetic glossary, an index, sources for further research, and an introduction to the author.
Introduces readers to the basic features of Scratch computer code, such as scripts and blocks. Readers will learn how to create their own games and projects using Scratch computer code. Additional features to aid comprehension include a table of contents, labeled diagrams, a quiz and answer key, a phonetic glossary, an index, sources for further research, and an introduction to the author.
Readers learn how this simple machine makes it easier to lift and lower objects. They learn about fixed and movable pulleys and when it is best to use each. By the end of the book, readers know the difference between complex and simple machines and how pulleys are used in everyday life to make work easier.
In this book, readers learn what gravity is and how it impacts weight. They learn about the US customary system and the metric system, where each is used, and the units of measurement in each system. Readers also learn about balances, scales, and estimating weights.
In this book, readers learn what volume is and why and how it is measured. They learn about the US customary system and the metric system, where each is used, and the units of measurement in each system. Readers also learn about volumes of liquids and solids.
In this book, readers learn what temperature is and why and how it is measured. They learn about the Celsius and Fahrenheit scales and where each is used. Readers learn about thermometers and how they help us in everyday life--from taking body temperatures to regulating how cool or warm our homes are.
In this book, readers learn what the clock measures and why knowing how to tell time--in seconds, minutes, and hours--is important. They learn the history of the clocks, including sundials and hourglasses. They also learn how to read analog and digital clocks to tell time. Sidebars instruct math by showing readers how to add and subtract hours.
In this book, readers learn what the calendar measures and why knowing how to measure days, weeks, months, and years is important. They learn the history of the lunar and solar calendars, how days and months get their names, and the different calendars around the world. Sidebars instruct math by showing readers how to add and subtract days.
Readers learn how this simple machine makes it easier to lift, lower, and open things. They learn the three types of levers: first-class, second-class, and third-class. By the end of the book, readers know the difference between complex and simple machines and how levers are used in everyday life to make work easier.
Readers learn how this simple machine makes it easier to move things to different levels. They learn how flatter slopes use less effort than steeper slopes. By the end of the book, readers know the difference between complex and simple machines and how inclined planes are used in everyday life to make lifting and lowering objects easier.
