"Every living thing needs water to live. Water is an important part of life. There is water all around us. It moves through the water cycle. It brings water to all parts of the planet."--
"Earth is made up of different types of rock. There are three main types of rocks: igneous, sedimentary, and metamorphic. You have probably seen all of these different rocks--you just didn't know it!"
"Earth is constantly changing. Wind, water, and even humans change Earth's surface. The land is broken down and worn away by erosion. The Grand Canyon was made from erosion. Many other landforms were
"Abolitionist, civil rights activist, orator, and author are all words that can be used to describe Frederick Douglass. Born into slavery, Douglass relied on his own determination and ingenuity to car
An introduction to the American Civil War, describes the events leading up to the war, the key leaders and battles, and the lasting impact of the struggle.
"The 1800s was a century of discovery and expansion in America. It grew in size through battles, negotiations, and large land purchases. In less than 70 years, the Louisiana Territory, the Texas Terri
