Describes experiments that can be performed with soil in order to learn about its properties, including its composition, whether it can act as a natural filter, and if different substances can make it more fertile.
Do you know what soil is made of? Sand, silt, and clay are the three main materials that are found in soil. Sometimes, organic matter is also found in soil. Conduct your own experiments to discover more about soil, its properties, and its behavior in Soil.
Many people think that the story of British Americans is the story of colonial America but this is only partially true. British Americans traces the storied origins of a proud, expressive British culture that adapted to America to become something totally unique in the makeup of our country. Young students will learn about the past and present of British Americans in the United States. America is blessed with a diversity derived from many different...
Who was the first person to ride a motorcycle? How did they come up with idea? Who makes the fastest motorcycle? This "Innovation in Transportation" book, Motorcycles, takes a look at the people and creative ideas that have changed the way we think about Motorcycles.