... energy. This diagram shows how the jet engine acts as energy to lift the aircraft off the surface of earth. Fuel can take the form of gases, solids or liquids. When fuels combine with oxygen from the air, they release their stored energy as heat. We recognize this process as burning. The individual relies on food for fuel which contains energy-giving substances that our bodies can store until we need this energy to use our muscles. When we do use our muscles within us, we may not always be sure that heat is given off. Our bodies do not burst into flames but the perspiration on our skin is a clue to what is hap ...

... to kill. Today we have an abundance of deer in Kentucky, we have about 450,000 deer. The white-tailed deer breeding season in Kentucky runs from October through mid January, reaching its peak in November. Most fawns are born in June, following a seven month gestation period. Newborn fawns will weigh about four pounds at birth. Deer offspring are cared for and may remain with the mother until the next spring. Fawns retain their spots until mid September and nurse until mid October. About 40 percent of female fawns breed during their first autumn, but usually bear only one fawn. Does breeding at age 1 1/2 or older ...

... ripped off taking one of the craft's two solar panels with it; a piece of the shield wrapped around the other panel keeping it from deploying. Skylab was maneuvered so its Apollo Telescope Mount (ATM) solar panels faced the Sun to provide as much electricity as possible. Because of the loss of the meteoroid shield, however, this positioning caused workshop temperatures to rise to 126 degrees F. The launch of Skylab 2 was postponed 10 days while NASA engineers developed procedures and trained the crew to make the workshop habitable. At the same time, engineers "rolled" Skylab to lower the temperature o ...

... tests on it. I then, with the information at my disposal, conjured a hypothesis which I would test. Using the materials at hand I, to the best of my ability tested my hypothesis. In conducting the tests I created graphs and tables of my work. At the conclusion of my experiment I came up with an answer that was almost unpredictable with the information that I was using. Although this was a crude experiment, I believe that I did gain a lot from it. Introduction The drug that I chose, Ibuprofen, is an anti-inflammatory analgesic. It is propionic acid that is white and powdery, and soluble in water, and organi ...

... the vehicle starts and travels at city street speeds less than 30 miles per hour the electric motor does the greatest amount of the work. As the cars power sources begins to lose some of its energy the backup gasoline engine starts. This function is similar to how gasoline cars work, with the alternator using the engine's power to recharge the battery. After the power supply is replenished the gasoline engine shuts down. Also the gasoline engine is used to power the vehicle as it reaches the higher speeds where the added horsepower is needed. Usually the speed at which the gasoline engine starts is in the 30 mile per ...

... by preventing succession of a habitat to its top state. INTRODUCTION Fire is an important part of many ecosystems, affecting wildlife populations in various ways, such as by changing habitat, affecting food supply or quality, or by altering interactions of species. Fire suppression has allowed forested areas to achieve a climax state which provides less forage for wildlife. While terrestrial wildlife is benefited by fire, aquatic ecosystems are negatively impacted by large fires through the increase in sediment flow. Fire is essential in maintaining biological diversity in the Northern Rocky Mountain forests. NEG ...

... look like a twisted ladder and are called a double helix. Each nucleotide consists of three units: sugar molecules called deoxyribose, a phosphate group, and one of four different nitrogen containing compounds, also called bases. The four are adenine (A), guanine (G), thymine (T), and cytosine (C). The deoxyribose molecule occupies the center of the nucleotide, with the phosphate group on one side and a base on the other. The phosphate group of each nucleotide is also linked to the deoxyribose of the adjacent nucleotide in the chain. These linked deoxyribose-phosphate subunits form the side rails of the ladder. ...

... mb, Andrew was still a major hurricane when its eyewall passed over the extreme southwestern Florida coast. The first of two cycles of modest intensification commenced when the eye reached the Gulf of Mexico. Also, the hurricane continued to move at a relatively fast pace while its track gradually turned toward the west-northwest. When Andrew reached the north-central Gulf of Mexico, the high pressure system to its northeast weakened and a strong mid-latitude trough approached the area from the northwest. Steering currents began to change. Andrew turned toward the northwest and its forward speed decreased to about 8 ...

... They say sleet looks like small hailstones, but sleet is really frozen raindrops. Unlike hail, sleet forms near the ground in cold weather. The biggest hailstone ever found was discovered in Coffeyville, a small town in southeast Kansas. This hailstone weighed 1.671 pounds and was 17.5 inches in circumference. The largest stone previously on record was almost the same size. It was found in Potter, Nebraska on July 6, 1928. The hailstone had a circumference of 17 inches and weighed 1.51 pounds (Dennis 54). Hail can be extremely dangerous. It can break windows, damage roofs, dent cars, injure and ...

... are the physical remains of a people's way of life that archaeologists and historians study to try to interpret how people lived. Cultural resources are important because they help us to learn about our past. These tangible remains help us understand other cultures, appreciate architecture and engineering, and learn about past accomplishments. Furthermore, they offer educational and recreational opportunities and provide links to our past. People have lived in North America for at least 12,000 years. Archaeologists and historians have divided this time span into prehistoric and historic periods. The prehistoric p ...