Animal Defenses An article with photos of some of the innovative means animals have developed for attack and...		World Heritage Sites in the United States A list of World Heritage sites in the United States.
National Park System of the United States A chart listing U.S. National Parks.		Eclipses of the Sun and Moon, 2005 - 2012 An article listing the dates and places of eclipses occurring between 2005 and 2012.
National Scenic Trails A chart listing U.S. National Scenic Trails.		Substitute Teacher Information Filling in these sheets will provide your substitutes with the necessary information to run...
National Monuments in the U.S. A chart listing U.S. National Monuments.		Assignment Record Keep track of your students' grades with this handy chart. This printable is customizable....
Extreme Geographical Points of the United States A chart listing the extreme geographical points of the United States.		Photosynthesis Help students to understand the process of photosynthesis.
Rivers of the United States A list of rivers, 350 miles or longer, in the United States.		Wind Chill Factors Us this chart to factor in the temperature with the wind to formulate a wind chill reading.
Highest Mountain Peaks in the United States A chart listing the highest mountain peaks in the United States.		Air Pressure and Humidity Your students will find explanations of air pressure and humidity here.
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.		Beaufort Wind Scale A chart detailing the Beaufort Wind Scale.
Geographical Highs, Lows, and Boundaries of the U.S. A chart listing geographical highs, lows, and boundaries of the U.S.		Cloud Types Find out the names of types of clouds.
North American Continental Divide A brief explanation of the North American continental divide.		Retired Hurricane Names A particularly notable hurricane will have its name retired so other hurricanes can't have the...