Animal Defenses An article with photos of some of the innovative means animals have developed for attack and...		Geographical Highs, Lows, and Boundaries of the U.S. A chart listing geographical highs, lows, and boundaries of the U.S.
National Park System of the United States A chart listing U.S. National Parks.		World Heritage Sites in the United States A list of World Heritage sites in the United States.
National Monuments in the U.S. A chart listing U.S. National Monuments.		Classification of Dinosaurs An article explaining the classification of dinosaurs.
National Scenic Trails A chart listing U.S. National Scenic Trails.		Dinosaur Facts Part I The first of four articles answering questions about dinosaurs. This article covers the...
Extreme Geographical Points of the United States A chart listing the extreme geographical points of the United States.		Dinosaur Facts Part II The second of four articles answering questions about dinosaurs. This article covers the...
Length of the U.S. Coastline by State A chart listing the length of the U.S. coastline by state.		Dinosaur Facts Part IV The last of four articles answering questions about dinosaurs. This article covers the...
Rivers of the United States A list of rivers, 350 miles or longer, in the United States.		Dinosaur Facts Part III The third of four articles answering questions about dinosaurs. This article covers the...
Highest Mountain Peaks in the United States A chart listing the highest mountain peaks in the United States.		Eclipses of the Sun and Moon, 2005 - 2012 An article listing the dates and places of eclipses occurring between 2005 and 2012.
North American Continental Divide A brief explanation of the North American continental divide.		Dinosaur Facts Find answers to your dino questions, for example, are all fossils dinosaurs, what was the...
Highest, Lowest, and Mean Elevations in the United States, by State A chart of the highest, lowest, and mean elevations in the United States, by state.		Substitute Teacher Information Filling in these sheets will provide your substitutes with the necessary information to run...