Search Results
7421 records found. Displaying 7321 - 7344.
Pulleys
From the Series Early Bird Physics
How does a pulley work? What is it? Colorful diagrams and fun-to-do experiments help you explore the many ways this simple machine can help make work easier and faster. Read More →
Relativity and Quantum Mechanics: Principles of Modern Physics
From the Series Secrets of the Universe
Do you ever wonder why it seems like you are not moving even though you are standing on a planet that moves through space? How does matter turn into energy? From Lavoisier to Einstein,… Read More →
Screws
From the Series Early Bird Physics
We've all seen screws, but how do they work? Why is it easier to screw something into something than to simply push it in? With basic hands-on experiments and clear descriptions, this simple… Read More →
Seneca Chief, Army General: A Story about Ely Parker
From the Series Creative Minds Biographies
Ely Parker grew up on the Tonawanda Reservation in New York in the 1830s. There he learned the ways of his people, the Seneca Indians. Ely worked many years to save his reservation from a… Read More →
Spring
From the Series First Step Nonfiction — Seasons
A basic overview of the spring season. Color photographs reflect the short, easy-to-understand sentences that improve vocabulary and comprehension. Read More →
Summer
From the Series First Step Nonfiction — Seasons
A basic overview of the summer season. Color photographs reflect the short, easy-to-understand sentences that improve vocabulary and comprehension. Read More →
Waterways
From the Series Vanishing from
Chinese egrets, humpback whales, Chinook salmon, and manatees might seem to have little in common, but they do--they are all close to extinction. They, and several other animals, have… Read More →
Waves: Principles of Light, Electricity, and Magnetism
From the Series Secrets of the Universe
Did you know that both electricity and light move in waves, like water does? What does electricity have to do with magnets? From Benjamin Franklin and Charles de Coulomb to Georg Ohm and… Read More →
Wheels and Axles
From the Series Early Bird Physics
Of the six simple machines, the wheel and axle is probably the most recognized. But how does it help you work? Simple and fun experiments illustrate the basic concepts explained in the text… Read More →
Where Is My Continent?
From the Series First Step Nonfiction — Where Am I?
A basic introduction to the concept of continents for emergent readers. Color photographs reflect the short, easy-to-understand sentences that improve vocabulary and comprehension. Read More →
Where Is My Country?
From the Series First Step Nonfiction — Where Am I?
A basic introduction to the concept of countries for emergent readers. Color photographs reflect the short, easy-to-understand sentences that improve vocabulary and comprehension. Read More →
Where Is My Home?
From the Series First Step Nonfiction — Where Am I?
A basic introduction to the concept of homes for emergent readers. Color photographs reflect the short, easy-to-understand sentences that improve vocabulary and comprehension. Read More →
Where Is My State?
From the Series First Step Nonfiction — Where Am I?
A basic introduction to the concept of states for emergent readers. Color photographs reflect the short, easy-to-understand sentences that improve vocabulary and comprehension. Read More →
Where Is My Town?
From the Series First Step Nonfiction — Where Am I?
A basic introduction to the concept of towns. Color photographs reflect the short, easy-to-understand sentences that improve vocabulary and comprehension. Read More →
Work
From the Series Early Bird Physics
What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these… Read More →
Writing for Freedom: A Story about Lydia Maria Child
From the Series Creative Minds Biographies
Lydia Maria Child grew up in the 1800s reading countless books. She defied the idea that girls weren't supposed to fill their minds with ideas and stories. They weren't supposed to write… Read More →
A Walk in the Prairie
From the Series Biomes of North America
Take a walk through the prairie. This biome of tall grass and open sky is teeming with life. How do the plants and animals of the prairie survive? As you travel through the prairie, watch… Read More →
Dance of the Swan: A Story about Anna Pavlova
From the Series Creative Minds Biographies
Born in St. Petersburg, Russia, in 1881, Anna Pavlova grew up dreaming of becoming a prima ballerina. Throughout her lifetime, Anna inspired and encouraged people around the world with her… Read More →
Floating Jellyfish
From the Series Pull Ahead Books — Animals
Have you ever avoided stepping on a jellyfish so that it wouldn't sting you? Uncover why jellyfish sting, how they clone themselves and glow in the dark, and how they hide from predators.… Read More →
Levers
From the Series Early Bird Physics
Do you know what a lever is? How can a lever help you? Through simple experiments and clear explanations, understand how this simple machine functions and how it can make the work that you do easier. Read More →
Natural Writer: A Story about Marjorie Kinnan Rawlings
From the Series Creative Minds Biographies
Marjorie Kinnan Rawlings dreamt of becoming a famous writer from the time that she was a young girl. After several years of searching for adventure and success, Marjorie finally found… Read More →
Voice of Freedom: A Story about Frederick Douglass
From the Series Creative Minds Biographies
Born a slave, Frederick Douglass grew up facing hunger, hard work, and terrible beatings. After overhearing that reading was the key to freedom, Frederick became determined to learn to read.… Read More →
All About Passover
Features the history and customs of Passover, including the story of the Exodus, all about chametz and matzah, the tradition of tzedakah at Passover, and an introduction to the seder.… Read More →
An Unbroken Chain: My Journey through the Nazi Holocaust
In this amazing true-life account of the Holocaust, Henry Oertelt retraces the sequence of events that forever changed his destiny. Each event is broken down into eighteen separate incidents, Read More →