Soil We walk on it, play in it, build with it, grow our food in it, and get antibiotics from it. But what exactly is soil? What makes it so important? Can we survive without it? In Explore Soil With 25 Great Projects, young readers learn how vital soil is to our lives. It filters the water we drink and the air we breathe, and most of the food we eat either grows in soil or subsists on plants that grow there. Soil is a very important part of our daily diet Activities such as exploring soil runoff, composting, and analyzing soil composition offer kids the chance to get their hands...
Soil We walk on it, play in it, build with it, grow our food in it, and get antibiotics from it. But what exactly is soil? What makes it so important...
The ground beneath your feet is solid, right? After all, how could we build houses and bridges if the land was moving all the time? Actually, the ground beneath us really is moving very slowly all the time In Fault Lines and Tectonic Plates: Discover What Happens When the Earth's Crust Moves, readers ages 9 through 12 learn what exactly is going on under the dirt. When slowly drifting continents bump up against each other along fault lines we experience earthquakes, volcanoes, and tidal waves Mountains and trenches are visible results of the slow movement of the earth's crust, as...
The ground beneath your feet is solid, right? After all, how could we build houses and bridges if the land was moving all the time? Actually, the grou...