Search Results

670 records found. Displaying 337 - 360.

Electricity Investigations

From the Series Key Questions in Physical Science (Alternator Books ® )

You probably know that electricity powers your computer and other electronics. But what is electricity? How does it work and where does it come from? Scientists have been asking questions… Read More →

  • Lexile: 910
  • Dewey: 537

Energy Investigations

From the Series Key Questions in Physical Science (Alternator Books ® )

You've probably heard lots of things about energy. You may know that your body needs energy or that there's energy in sunlight. But what exactly is energy? Where does it come from and where… Read More →

  • Lexile: 950
  • Dewey: 530

Extreme Earthquakes and Tsunamis

From the Series When Nature Attacks

Earthquakes can destroy entire cities in mere minutes and send shock waves rippling around the world. These devastating quakes become even more deadly when followed by monster waves. Tsunamis… Read More →

  • Lexile: 1120
  • ATOS: 6.6
  • Dewey: 551.22

Extreme Fires and Floods

From the Series When Nature Attacks

In just a few seconds, a spark can turn a forest into a rapidly spreading inferno of intense heat and suffocating smoke. Firefighters try to control the wildfire—a battle that might last for… Read More →

  • Lexile: 1060
  • ATOS: 6.3
  • Dewey: 363.37/9

Extreme Hurricanes and Tornadoes

From the Series When Nature Attacks

Imagine facing a storm so vast you can only see it all from space, or winds that uproot trees and hurl cars in the air. The unleashed power of extreme storms can flatten homes and drown… Read More →

  • Lexile: 1070
  • ATOS: 6.4
  • Dewey: 551.55/2

Extreme Volcanoes

From the Series When Nature Attacks

The molten rock just under Earth's solid crust sometimes erupts suddenly and violently, causing streams of red-hot lava and scorching high-speed avalanches called pyroclastic flows. Volcanoes… Read More →

  • Lexile: 1130
  • ATOS: 6.8
  • Dewey: 551.21

Forces and Motion Investigations

From the Series Key Questions in Physical Science (Alternator Books ® )

Forces and motion are at work all around you—when you kick a ball, ride a bike, or drop a book. But what exactly are forces? And how do they make things move? For thousands of years… Read More →

  • Lexile: 920
  • Dewey: 531/.11

Fun Experiments with Electricity: Mini Robots, Micro Lightning Strikes, and More

From the Series Amazing Science Experiments

Make a robot from a toothbrush, send Morse code messages by telegraph, and create your own lightning! These amazing science projects use readily available items and have simple step-by-step… Read More →

  • Lexile: 860
  • Dewey: 537.078

Fun Experiments with Forces and Motion: Hovercrafts, Rockets, and More

From the Series Amazing Science Experiments

Make a rocket from a plastic bottle, a hovercraft from a balloon, and a drag racer from cardboard! These amazing science projects use readily available items and have simple step-by-step… Read More →

  • Lexile: 850
  • Dewey: 531/.11078

Fun Experiments with Light: Periscopes, Kaleidoscopes, and More

From the Series Amazing Science Experiments

Make a camera from cardboard, create stereographic images, and start a campfire with ice! These amazing science projects use readily available items and have simple step-by-step instructions… Read More →

  • Lexile: 870
  • Dewey: 535.078

Fun Experiments with Matter: Invisible Ink, Giant Bubbles, and More

From the Series Amazing Science Experiments

Make a giant fountain from a soda pop bottle, write messages in invisible ink, and blow monster bubbles! Use readily available items and simple step-by-step instructions to create these… Read More →

  • Lexile: 800

Genius Communication Inventions: From Morse Code to the Internet

From the Series Incredible Inventions

Printing words in books originated in China with the invention of movable type. But books aren't the only way we've communicated throughout history. Find out who invented the first radio… Read More →

  • Lexile: 990
  • Dewey: 609

Genius Engineering Inventions: From the Plow to 3D Printing

From the Series Incredible Inventions

Tin cans were first produced in London in 1813. But they had to be opened with a hammer and chisel, because the can opener wasn't invented until 1855! Check out other amazing engineering… Read More →

  • Lexile: 1020
  • Dewey: 600

Genius Optical Inventions: From the X-Ray to the Telescope

From the Series Incredible Inventions

Before magnifying glasses, how did people make objects look larger? The ancient Romans filled glass bowls with water. Then microscopes and telescopes came along. But optical innovation didn't… Read More →

  • Lexile: 980
  • Dewey: 621.36

Genius Physicist Albert Einstein

From the Series STEM Trailblazer Bios

Have you ever used your imagination to solve a problem? When Albert Einstein was young, he was fascinated by the way magnetism made a compass work. As an adult, he used thought experiments to… Read More →

  • Lexile: 820
  • ATOS: 5.4
  • Dewey: 530.092 [B]

Genius Transportation Inventions: From the Wheel to Spacecraft

From the Series Incredible Inventions

Bicycles were only invented about two hundred years ago—and the first ones didn't have tires or brakes! But bikes aren't the only way we've tried to conquer the roads, seas, and skies. You'll… Read More →

  • Lexile: 1010
  • Dewey: 629.04/609

Geoengineering Earth's Climate: Resetting the Thermostat

Most scientists agree that Earth is warming rapidly. Glaciers are melting and rising seawaters are submerging islands and coastal cities. In the coming decades, millions will likely have to… Read More →

  • Lexile: 1140
  • ATOS: 8.2
  • Dewey: 551.68

Hovercrafts and Humvees: Engineering Goes to War

From the Series STEM on the Battlefield

In 1944 during World War II, US and British engineers built a massive floating harbor. When soldiers from these countries landed in France to fight the Germans, ships towed the harbor to the… Read More →

  • Lexile: 930
  • ATOS: 6.1
  • Dewey: 623

Humanoid Robots

From the Series Cutting-Edge Robotics (Alternator Books ® )

Humanoid robots can help us learn. They can go places humans can't, such as deep underwater, sending back information we never knew before. Humanoid robots can also aid in search and rescue—th Read More →

  • Lexile: 900
  • ATOS: 5.5
  • Dewey: 629.8/92

Incredible Inventions — Library Bound Set

From the Series Incredible Inventions

Set

Delve into the history of the world's greatest inventions, from ancient times to modern day. Colorful illustrations and humorous text tell the stories of inventions from the earliest… Read More →

  • Library Bound Hardcover
  • List Price: $111.96
  • Your Price: $83.97
  • 4 titles

Incredible Inventions — eBook Set

From the Series Incredible Inventions

Set

Delve into the history of the world's greatest inventions, from ancient times to modern day. Colorful illustrations and humorous text tell the stories of inventions from the earliest… Read More →

  • Multi-user eBook
  • List Price: $170.60
  • Your Price: $127.95
  • 4 titles

Inside Battleships

From the Series Inside Military Machines

Take a fascinating tour of the mightiest fighting ships of all time—from ancient Greek galleys to gigantic modern aircraft carriers. Get an up-close view of these incredible battleships as… Read More →

  • Lexile: 1060
  • ATOS: 6.6
  • Dewey: 623.825

Inside Fighter Planes

From the Series Inside Military Machines

Follow the powerful story of fighter aircraft—from the earliest six-winged inventions used during World War I right up to modern supersonic stealth fighters. Along the way, explore inside the… Read More →

  • Lexile: 1040
  • ATOS: 6.4
  • Dewey: 623.74/64

Inside Military Machines — Library Bound Set

From the Series Inside Military Machines

Set

Explore the development of military machines from early catapults to modern sonar. This series combines history, technology, and engineering information with real-life stories about people… Read More →

  • Library Bound Hardcover
  • List Price: $111.96
  • Your Price: $83.97
  • 4 titles