Density of Common Substances

The table below shows the  density of some common substances, in units of kilograms per cubic meter. Some of these values may certainly seem counter-intuitive—one would not expect mercury (which is a liquid) to be more dense than iron, for example. Notice that ice has a lower density than either water (freshwater) or seawater (saltwater), so it will float in them. Seawater, however, has a higher density than freshwater, which means that the seawater will sink when it comes in contact with freshwater. This behavior causes many significant ocean currents and the concern of glacier melting is that it will alter the flow of seawater—all from the basic functioning of density. To convert the density to grams per cubic centimeter, merely divide the values in the table by 1,000. Density of Common Substances Material Density (kg/m3) Air (1 atm, 20 degrees C 1.20 Aluminum 2,700 Benzene 900 Blood 1,600 Brass 8,600 Concrete 2,000 Copper 8,900 Ethanol 810 Glycerin 1,260 Gold 19,300 Ice 920 Iron 7,800 Lead 11,300 Mercury 13,600 Neutron star 1018 Platinum 21,400 Seawater (Saltwater) 1,030 Silver 10,500 Steel 7,800 Water (Freshwater) 1,000 White dwarf star 1010

Rehabilitation and Recidivism - 1436 Words

Unit 4 Project Larinda K. Kimbrell Kaplan University CJ499-01P: Bachelors Capstone in Criminal Justice (P) Barbara Mitchell June 16, 2010 Abstract Over many years there has been great debate about whether rehabilitation reduces the rate of recidivism in criminal offenders. There has been great controversy over whether anything works to reduce recidivism and great hope that rehabilitation would offer a reduction in those rates. In this paper I will introduce information and views on the reality of whether rehabilitation does indeed reduce recidivism. Proposed is a quasi-experiment, using a group of offenders that received rehabilitation services and an ex post facto group that did not? I intend to prove that rehabilitation services do†¦show more content†¦Cullen amp; Gendreau (2000). Cullen and Gendreau (2000). give us some history on the restorative incarceration. The original theory of restorative justice was based on simple human behavior regulated by incentive instead of punishment, which instituted the concept of parole as a means of reward for a prisoner for rehabilitation. Further studies in criminology prov ed that this idea was too simplistic and married it to the positivist theory of criminology and instituted individual assessment and treatment for each prisoner based on their specific needs for reformation. As Rothman (1980) and many others have pointed out, this ideal system was never implemented as intended. Although the contours of the correctional system changed—the juvenile court, indeterminate sentencing, probation, parole, and discretion became integral features of this system—the resources and knowledge needed to provide effective treatment to offenders were in short supply. Cullen and Gendreau (2000). Cullen and Gendreau compare and contrast the many studies on this subject, the meta-analyses conclusions, their strengths, weaknesses, inconsistencies, and the trends that follow the studies of the time. They offer their insight on effective corrections and individualizing treatments based on predictors for crime and behavioral knowledge, as well as conclude that recidivism is reduced by rehabilitation. Solution Cullen and Gendreau (2000). conclude that although rehabilitationShow MoreRelatedThe Effect of Rehabilitation and the Rate of Recidivism1727 Words   |  7 Pages With the highest incarcerated rate in the world, does the United States prison systems offer quality rehabilitation or just punishment? According to data from the Bureau of Justice Statistics, there was approximately 706 prisoners per 100,000 residents, or about 2.2 million prisoners in 2012 and within 3 years, almost 6 out of 10 released inmates will be rearrested and half will be back in prison. 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Difficult Preschool Behavior free essay sample

Working with preschoolers can be fun and exciting but it can also be tiring and a challenge. They are at the age where they want to learn new things. They are full of energy and questions. At this age, they are a handful, and when you have a classroom full of preschoolers you better be prepared. In this case, we see Jane Chambers a preschool teacher, uses effective strategies to run her classroom smoothly. The strategies are anticipation and redirection, natural supports, materials/space, keystone behaviors, collaboration, structure and routines, and reveal reasons. The first strategy is a very important one for preschoolers. It was know as anticipation and redirection. This is when you anticipate that something might happen and you redirection a child before you have a problem. In the case, you can see an example of anticipation with the construction site. This site is an area in the room where the children can play like construction workers. We will write a custom essay sample on Difficult Preschool Behavior or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Mrs. Chamber has picked the materials for this site. In anticipation that children might fight over the tools, there is no one hammer or one hat of one color. Mrs. Chambers redirects a child who is sitting on the couch watch other child do a puzzle. She redirects the boy to painting in stead of sitting on the couch. Redirection is a way to divert or distract the child from an undesirable behavior into a more appropriate activity† (Marion, 1999). With preschool age child redirection is a great way to handle unwanted behavior. The next strategy is natural supports. These are the least intrusive supports because they happen naturally in the surroundings (Bauer, 2004). In early childhood, the best support is support of their peers.