Jennifer Boothroyd – författare
Visar alla böcker från författaren Jennifer Boothroyd. Handla med fri frakt och snabb leverans.
265 produkter
People and the Environment
E-bok, 2008
514 kr
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An engaging look at the ways that people interact with plants and animals.
Animals and the Environment
E-bok, 2008
531 kr
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An engaging look at the ways that animals interact with people and plants.
Plants and the Environment
E-bok, 2008
531 kr
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An engaging look at the ways that plants interact with people and animals.
Lou Gehrig
A Life of Dedication
E-bok, 2008
500 kr
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How did Lou Gehrig become one of baseball’s greatest players? What Major League Baseball team did he play for? Why did Lou have to stop playing baseball? Read this book to discover the answers!
What Floats? What Sinks?
A Look at Density
E-bok, 2010
688 kr
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A rock sinks in the water. A hot air balloon floats in the air. Many objects float and sink. But what makes them move this way? And how do people use floating and sinking in their lives? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science …
Give It a Push! Give It a Pull!
A Look at Forces
E-bok, 2010
688 kr
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You push a swing. Your brother pulls a wagon. Forces are at work all around you. But what exactly is a force? And how do forces act on different objects? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science series—part of the Lightning Bolt Books™ …
Why Do Moving Objects Slow Down?
A Look at Friction
E-bok, 2010
666 kr
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A baseball player slides on the ground to tag a base. A toy car''s wheels rub against the floor and slow the toy car down. Friction is at work all around you. But what exactly is friction? And how does it affect different objects? Read this book to find out! Learn all about matter, energy, and …
What Holds Us to Earth?
A Look at Gravity
E-bok, 2010
688 kr
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A ball drops to the ground. Leaves fall from a tree. Gravity is at work all around you. But what exactly is gravity? And how does it affect different objects? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science series—part of the Lightning Bolt …
Attract and Repel
A Look at Magnets
E-bok, 2010
688 kr
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A colorful magnet holds a drawing to a fridge. Paperclips stick to a magnet. Magnetic forces are at work all around you. But what exactly is a magnet? And how do magnets work?
Many Ways to Move
A Look at Motion
E-bok, 2010
688 kr
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An airplane soars through the sky. A wind gust blows through the leaves. Objects are in motion all around you. But what makes objects move? And what are some different ways that objects move? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science …
All Charged Up
A Look at Electricity
E-bok, 2011
688 kr
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Lightning streaks across the sky. A lamp lights up a room. Electricity is all around you. But where does electricity come from? And how do we bring it into our homes? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science series—part of the …
How Big? How Heavy? How Dense?
A Look at Matter
E-bok, 2011
688 kr
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A light beach ball floats on the water. A heavy rock sinks in the mud. Matter is all around us. But what makes a beach ball different from a rock? And what properties do we use to compare matter? Read this book to find out!
Loud or Soft? High or Low?
A Look at Sound
E-bok, 2011
673 kr
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Fireworks crackle and boom in the sky. Your friend laughs at a joke. Sounds are all around you. But what exactly is sound? And how does sound reach your ears? Read this book to find out!
Many Kinds of Matter
A Look at Solids, Liquids, and Gases
E-bok, 2011
688 kr
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Ice cubes clink in a glass. Steam rises from a pot of boiling water. Solids, liquids, and gases are all around you. But what exactly are solids, liquids, and gases? And how do you tell them apart? Read this book to find out!
Energy That Warms Us
A Look at Heat
E-bok, 2011
688 kr
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A pot of water boils over a hot burner on the stove. Sunshine warms your skin on a breezy day. Heat is warming things all around you. But what exactly is heat? And how do things become warmer or colder? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical …
Energy We See
A Look at Light
E-bok, 2011
688 kr
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Light shines through your kitchen window. A campfire brightens the dark woods. You see light all around you. But where does most light come from? And how does it travel? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science series—part of the …
Feathers
E-bok, 2011
531 kr
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See how birds use feathers for flight, warmth, camouflage, and much more.
Fur
E-bok, 2011
519 kr
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Some mammals have a little fur or hair, others have a lot! Learn how fur helps these animals survive.
Scales
E-bok, 2011
531 kr
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Compare different types of scales and discover how they protect the bodies of fish and reptiles.
Shells
E-bok, 2011
531 kr
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What animals have shells? See the wide variety, from armadillos and snails to crabs and turtles.
Skin
E-bok, 2011
531 kr
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All kinds of animals have skin—even humans! Compare the many features of skin.
From Assembly Lines to Home Offices
How Work Has Changed
E-bok, 2011
649 kr
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Many people use computers to work from home and other places. And special equipment makes work safer than in the past. But long ago, computers didn’t exist. Safety equipment hadn’t been invented either. In what other ways has work changed over time? Read this book to find out!Learn how daily life …
From Chalkboards to Computers
How Schools Have Changed
E-bok, 2011
649 kr
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Many kids take backpacks to school. Many teachers write on dry-erase boards or use computers. But long ago, these tools didn’t exist. Students carried their books with book straps. Teachers wrote on black chalkboards. In what other ways has school changed? Read this book to find out!Learn how daily …
From Marbles to Video Games
How Toys Have Changed
E-bok, 2011
649 kr
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Many kids play video games or ride on skateboards. But long ago, these fun activities didn’t exist. Kids rode around on roller skates. They played games with jacks and marbles. What other toys and games have changed over time? Read this book to find out!Learn how daily life has changed over time in …
From the Model T to Hybrid Cars
How Transportation Has Changed
E-bok, 2011
635 kr
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Many people travel long distances by airplane. Some drive hybrid cars powered by gasoline and electricity. But long ago, most people took long trips by boat or train. They drove gas-powered cars that people started by turning a crank. In what other ways has transportation changed? Read this book to …
From Typewriters to Text Messages
How Communication Has Changed
E-bok, 2011
649 kr
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Many people use cell phones and e-mail to communicate with others. But long ago, these tools didn’t exist. All phone calls traveled through wires. And people used machines called typewriters to write letters. What other communication tools have changed over time? Read this book to find out!Learn …
From Washboards to Washing Machines
How Homes Have Changed
E-bok, 2011
649 kr
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Many people store food in refrigerators and clean clothes in washing machines. But long ago, these tools didn’t exist. Big blocks of ice kept food cold. And people scrubbed clothes on long, bumpy boards. What other household tools have changed over time? Read this book to find out!Learn how daily …
What Is Hearing?
E-bok, 2011
673 kr
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A fire alarm’s wail. A cat’s quiet purr Your ears let you hear all kinds of sounds, both loud and soft. But how do your ears work? And how does your sense of hearing help you? Read this book to find out! Learn all about your five senses in the Your Amazing Senses series - part of the Lightning Bolt …
