2012-2013 Winter Break Homework Packet Prince George’s County Public Schools Reading/English Language Arts Grade 9 1 GRADE 9 WINTER BREAK READING HOMEWORK PACKET In Preparation for the Maryland High School Assessment‚ PSAT‚ and SAT DIRECTIONS: The enclosed activities are to be completed by your child during the Winter Break and he/she is encouraged to return it to his/her Reading/English Language Arts teacher upon return to school. Parents are encouraged to assist in the following ways:
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Osmosis Lab Report The essential focus of the experiment was to acquire data for the mass change resulting from osmosis in order to determine the carbohydrate solution of the carrot cells. The carrots were a vegetable used within the experiment with a carbohydrate solution around .5 M. The hypothesis is if there are carrots in different carbohydrate solutions then there will be a percent change in mass. The carrots have large vacuoles that hold water‚ this allows the mass to increase when the hypertonic
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and onion cells. Background Information 1. Diffusion is the movement of solutes from high to low concentration. Osmosis is the movement of water from low to high concentration. Both refer to movement in/out of a cell‚ but osmosis refers specifically to water. 2. Isotonic‚ hypertonic‚ and hypotonic all refer to the comparison of concentrations of solutes in verses out of the cell. Isotonic is when the concentration in the cell is the same as the concentration outside of the cell. Hypertonic
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concerned with Irish history. Looming over the scene depicted is the spectre of the potato famine that afflicted Ireland from 1845-49. The potato crop‚ staple for the Irish‚ failed‚ and with cataclysmic results. About half the population of three million died‚ while a million people emigrated – many to America. The first section of the poem is written in alternately rhymed quatrains that describe a rural scene of potato digging that is clearly in progress much later than a similar scene around the time
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No Sugar No Sugar (1986)‚ a play exploring the treatment of Aboriginal people in the 1930’s‚ was written by Jack Davis‚ an Aboriginal Western Australian who grew up in Yarloop and the Moore River Settlement. No Sugar is told from the point of view of an Aboriginal family who are coerced into living at an Aboriginal reserve because the white people in their community didn’t like them living close to them. The authority at the settlement are very abusive creating conflict between the Millimurra family
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Health Care Sugar and Junk Food’s Effect on the Body In the United States today‚ more than two-thirds of adults are obese‚ and in children ages two to five years old about a quarter of them are obese. The main reason for our obese population is high sugar‚ fat‚ cholesterol‚ and carbohydrate intake. You can go anywhere in the U.S. and find fast-food restaurants‚ convenience stores and other places that make money off of selling processed foods. Many people know that refined sugars and fats are
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Science Research Paper: “Potato Battery” I. Problem a. Main Problem This study aims to prove whether fruits and vegetables are good reserves of electricity. The potato‚ known for its high Phosphoric Acid and Sulfuric Acid‚ has been as our chosen fruit to prove and conduct our answers upon the accessibility of fruits and vegetables as an effective renewable energy source. b. Sub-Problems To further provide extra and specific information‚ the researchers have decided to add the following
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1. Diffusion and Osmosis‚ June 4‚ 2013 2. Purpose: The purpose of this lab is to help give visual understanding of diffusion which is a solution of high concentration spontaneously (no energy required) moving to an area of low concentration. Also taking a look at osmosis‚ which is the movement of chemicals across the cell membrane. Osmosis requires some type of energy to be put in for this to happen. After these experiments we should have a better idea and visualization of how chemicals transfer
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Salt and Its Uses As we know‚ salt is the most useful resource found on earth. In Ancient Rome‚ salt was used as part of the salary to the soldiers. From this‚ we can see that salt was as valuable as gold in the past. In our daily life‚ besides making nutritious food more palatable‚ salt is very useful in making bakery products‚ canned and frozen foods. Salt is a good preservative that retards the growth of micro-organisms to make food storage possible for a long period of timie
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Bath Salts Since synthetic drugs have become a common theme in the news I wanted to look more into “bath salts” otherwise known as synthetic cathinones. The questions I was pondering were: what exactly do these “bath salts” do‚ how is this latest development in drug abuse affecting the brain and how can you treat someone on these dangerous chemicals? I used Google Scholar to research my topic. http://scholar.google.com/scholar?hl=en&q=Minnesota+Bath+Salts&btnG=&as_sdt=1%2C24&as_sdtp=
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