During the 20th century, many things were invented that made people's lives easier. Vacuum cleaners and washing machines made doing chores easier. Vaccines and penicillin improved public health. Radio and telephones helped communication, and airplanes and automobiles transformed transportation. Featuring TIME For Kids content, this nonfiction reader details the history of 20th century inventions, and discusses their importance to the modern world. This high-interest title includes detailed...

In 1872,Yellowstone became the first national park. Now,there are 59 national parks in the United States. The National Park Service also oversees landmarks,monuments,and seashores. In all,the NPS oversees 413 park sites. Featuring TIME For Kids content,this nonfiction reader explores the history and importance of America's national parks. This high-interest title includes detailed photos and sidebars,stimulating facts,and clear,informational text to engage students as they build their crit...

Playing Tug-of-War, pedaling a bike, jumping rope - these actions all require force! We typically don't notice most of the forces around us, but they surround us all the time. Find out how force works, and then harness your knowledge to design and build like an engineer! Third-grade students will enjoy learning about inertia, tension and gravity, lift and air resistance, electric and magnetic forces, combined forces, and more through this high-interest informational text filled with vibran...

Light heats our skin, helps us see in the dark, and even helps cure cancer. Light is also used for many things that we may not know about. Learn how light is formed, how it helps us every day, and much more by diving into the pages of this engaging e-book. High-interest text and vibrant images and photographs fill the pages of this e-book to make learning about light and its effects fun and interesting. A “Think Like a Scientist” lab activity that supports STEM instruction is included at t...

Sound waves are all around us creating a multitude of different frequencies. Some we can hear, and some we cannot hear. Discover the ways in which animals, insects, and birds communicate through sound as well as how sound is beneficial for other uses -- even if we can't hear it! High-interest, informational text paired with vibrant images and photos, intriguing facts, and a helpful glossary and index will keep readers engaged from cover to cover. A “Think Like a Scientist” activity that su...

Dynamite is highly explosive. This is because it's a chemical reaction waiting to happen. Chemical reactions happens all the time - even inside us! Reactants change to make new products. Explore physical and chemical properties of the substances that surround us in this explosive physical science book. From decomposition to acid-base reactions, fifth-grade readers will learn about six types of chemical reactions; activation energy and hopping electrons; reactivity, catalysts, and inhibitor...

You can't make something out of nothing. This is because there are certain laws that everything in the universe follows. It may seem like magic, but it's really a matter of matter. Join physicists from past and present to uncover the magic of how matter changes yet remains the same in this physical science e-book. Fifth-grade readers will learn about physical and chemical changes; how mass, energy, and volume are related; discoveries that led to the law of conservation of mass, scientific ...

If you've worn headphones, watched TV, worked on a computer, or ridden in a car, then you have experienced the power of electromagnetism. Learn all about electricity, magnetism, the link between these forces: electromagnetism, and how these forces impact our lives. Teach third-grade students about atoms, currents, circuits, magnetism, and more with the colorful images and fun facts in this high-interest informational text. Featuring a hands-on "Think Like a Scientist" lab activity that is ...

You may know that a magnet has a north and south pole, but do you know how magnets were discovered? Written for students in grade 4, Magnets covers the discovery of magnets and much more about magnets, the compass, and even the North Pole! This 22-page book includes a glossary of bold-faced vocabulary words, reading activities, an index of terms, and an answer key.

Have you ever been shocked by touching a doorknob? Do you know what causes the shock? Written for students in grade 4, Static Electricity and Lightning explains static electricity and how it relates to lightning. This 22-page book includes a glossary of bold-faced vocabulary words, reading activities, an index of terms, and an answer key.

Our sun is an average star in our galaxy. It is a sphere of burning gas that provides light and heat. It makes our plants grow and allows them to turn carbon dioxide into breathable oxygen.If our sun were to shine a little less or a little more brightly, life as we knew it would not exist. A drop of less than 2% of the sun's energy output would turn Earth into an ice-covered planet.So how much do you know about this glowing sphere that controls our world. Can you answer these...

TV and movies will have you believing that black holes are huge holes in space and anything that falls into them is lost for all time – possibly falling into another universe or another time, or even falling forever.You may think that black holes run around in space like huge vacuum cleaners sucking up everything in their path. This is not true.But what actually is a black hole and what do they do? This book will help you find out.LearningIsland.com believes in the v...