The Appalachian Mountains When did the Appalachian Mountains form? About 300 million years ago, near the end of the Carboniferous period, when the first reptiles were evolving, the tectonic plates [...]
History of turkeys: Wild turkeys When did turkeys evolve? Turkeys evolved from earlier birds. The ancestors of the turkey evolved about 100 million years ago, from the dinosaurs that were [...]
Wild sunflowers or Black-Eyed Susan flowers Where do sunflowers grow wild? Sunflowers grew wild all over North America. From the Paleo-Indian time on, many different groups of people picked sunflowers and [...]
Rice history: A bowl of brown rice What is rice? Rice is a kind of grain, or grass, like wheat, millet, or barley, that provides carbohydrates to people who eat its [...]
History of pottery: Philistine pottery (compare Mycenaean Greek pottery) What is pottery? Pottery is dishes, plates, cups, cooking pots, and storage jars made out of clay. People make dishes and pots [...]
