Flame Main article: Flame A candle’s flame Photo of a fire taken with a 1/4000th of a second exposure A flame is a mixture of reacting gases and solids emitting visible‚ infrared‚ and sometimes ultraviolet light‚ the frequency spectrum of which depends on the chemical composition of the burning material and intermediate reaction products. In many cases‚ such as the burning of organic matter‚ for example wood‚ or the incomplete combustion of gas‚ incandescent solid particles called soot
Premium Fire Combustion
The Summer of The Falcon Every popular novel must have an interesting story‚ suitable conflicts‚ and a theme. In the novel The Summer Of the Falcon‚ the author Jean Craighead George parallels the maturation of the main character with the teaching of a bird to fly and take commands. June becomes mature and grows form childhood to adulthood‚ In the end of the story‚ June is not a child anymore. Neither is the falcon. It has fully grown and has decided to live independently‚ without any of June’s
Premium Summer of Love Bird
After the devastating effects of the attack on 9/11 brought America to the grim terrorism and its lasting effects on the world. Live footage of the horrors New Yorkers were facing was broadcasted to the homes of every man‚ woman‚ and child in America‚ and other nations. The topic of terrorism was very muted until the caliber of damage and destruction of 9/11 brought the subject into the spotlight‚ and becoming one of the most controversial. The ideology of how convicted terrorists should be treated
Premium Crime Terrorism Criminal justice
is maintained by keeping the door closed when undressing and bathing. The environmental temperature should be warm‚ because shivering will cause a chill‚ which raises the patient’s temperature higher. When wet the skin can loose more heat through convection (Potter and Perry 2001). The bath should be cleaned before use to prevent cross infection. As Mrs Moohan is frail she will require nursing assistance throughout (Chandler 1991). If the nurse has to leave her momentarily a call bell should be placed
Premium Bathing Malnutrition Hygiene
equal‚ but they did not actually practice that idea. He described that “the document they produced was eventually signed but ultimately unfinished. It was by this nation’s original sin of slavery‚ a question that divided the colonies and brought convection to a stalemate until the founders chose to allow the slave trade to continue for at least twenty more years and to leave any final resolution to future generation” (44). This means even those people who made the constitution‚ allowed slavery and
Premium Race Racism United States
Large cities have their own climatic conditions. To what extent is this true? (40 marks) Large cities have their own climatic conditions and can be referred to as having a micro-climate. Micro-climates are small scale variations in temperature‚ precipitation‚ humidity‚ wind speed and evaporation that occur in an environment. This would therefore suggest that the statement is in fact true. Large cities create their own climate and weather which is known as the ‘urban climate dome’ within which weather
Premium City Precipitation Humidity
Looking at the world we live in today‚ many things that we have or use are taken for granted. We don’t think much about how a telephone works when we’re talking to our friends‚ or how emails and faxes can travel from one unit to another within a blink of an eye. When we go inside our homes and turn on our TV’s‚ do we ever wonder how the human mind could ever comprehend radio waves and electromagnetic energy? How were these things invented? How did anyone get the first ideas to experiment? After all
Free Microwave oven Microwave
The market revolution era of good feelings began in the first half of the 19th century 1793-1860 where we see a shift from a self-sufficient agrarian society where farmers would produce for themselves to producing goods for sale that would change how Americans do business. During the market revolution we see a rise of two different type of industries between the north and the south‚ the north became an industrialized society with the factory system which allowed for mass production of goods‚ allowed
Premium United States Industrial Revolution Sociology
determine the net heating or cooling load. Heat Gain From People Typical sensible‚ latent and total heat rates given off by people are shown in the table below (ASHRAE Fundamentals‚ 2005). The sensible heat gain results from radiation and convection from the human body to the air. The latent heat gain is the energy required to condense the water vapor given off by human respiration and perspiration. The latent heat gain is the product of the mass of water vapor from humans and the enthalpy
Premium HVAC Energy Thermodynamics
Once the density reaches approximately 10−8 g / cm3‚ of the material that is infalling‚ the star has reached a level of transparency that allows energy to be radiated from it. The radiation of energy away from the star’s exterior combined with the convection of energy in the star’s interior allow for it to contract further. The star will continue to contract until the gas within the star is hot enough to create internal pressure inside the star that can support the star’s structure from anymore gravitational
Premium Sun Galaxy Star