the effect of cold temperatures on the lasting time of glow sticks. Aim: to investigate whether freezing a glow stick will affect its longevity. Hypothesis: The glow sticks will last longer when they are frozen than when they are at room temperature. Background information: Glow sticks are made of hydrogen peroxide‚ a phenyl oxalate called ester‚ and phosphorescent dye. The ester and phosphorescent dye are kept in one part of the glow stick‚ the hydrogen peroxide in the other‚ separated by
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Citrus Diseases Citrus Canker Citrus canker is a highly contagious bacterial infection of citrus trees causing yellow halo-like lesions or scabs on the fruit‚ leaves and twigs of citrus trees. Severe infections can cause leaf loss‚ blemished fruit‚ fruit drop and die back. The canker bacterium spreads easily and quickly on air currents‚ insects‚ birds and on humans by means of clothing and infected implements. There are a variety of sprays designed to protect against infection including using
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Citrus microcarpa A Great Citrus Fruit to Know and Grow Lewis Kho Harold E. Tamdang AMA Computer College Author’s Note This paper was prepared for NSCI01-A (General Chemistry) taught by Romeo E. Bejar‚ Jr. Cpe. Description: Calamansi (scientific name: Citrus microcarpa) is a fruit tree in the family Rutaceae that was developed in and is very popular throughout Southeast Asia‚ especially the Philippines‚ where it is most commonly used for cooking. In the west it is variously known as
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Wh Mia Foust Mr. Dunlap Honor Chemistry‚ Per 7 December 21‚ 2010 Glow Sticks Since glow sticks have been invented‚ consumers have wondered how scientists are able to create these magical sticks of light. They work without producing heat. They don’t need a battery or a bulb‚ Magic? This “cool” light is called luminescence. Unlike incandescence‚ which is light from heat energy‚ luminescence can be emitted at normal or lower temperatures. There are several
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Hypothesis The light from a glow stick will extinguish more quickly at higher temperatures because temperature affects the rate of the chemical reaction. Question: Will a glow stick extinguish more quickly while in a higher temperature? Purpose: To determine if a glow stick will die out quicker in a cold temperature or a warm temperature. Materials: -3 small jars/cups -water -3 glow sticks -3 thermometers -ice water -hot water procedure: 1. The independent
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The Glows and Grows is an effective way to acknowledge the successes and challenges of a variety of systems‚ tasks‚ behaviors and completed work. The best time to introduce the Glows and Grows strategy in the media center is at the end of the third week. By the third week students will be familiar with the rules and expectations of media class and the media center. To begin we will discuss what the meaning of “Glow” and “Grow” are and I will provide examples if the students cannot. As a class we
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they crumple atop my highs‚ put on my gray shorts-pull ‘em down so that my jock strap is seen on my back-and slip into a T-shirt that says "In your face‚ I do it with grace." Ya see‚ I’m goin’ back ta Citrus -- ta Citrus -- ta Citrus. To many‚ Citrus is just an elementary school located at Citrus and 4th avenue‚ but to many others it’s the ultimate place to play roundball. The three full courts all have baskets of different heights: one at eight feet‚ one at eight and a half‚ and one at nine and
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Go Glow Grow is a nutrition curriculum developed for preschool children. In conjunction with the book Go Glow Grow: Foods for You‚ children learn about healthy eating‚ exercising and the importance of hand washing. Using a simplified version of MyPlate‚ children learn the connection between healthy foods and what they do for the body. •Grains are Go foods‚ they help you run‚ jump and play all day. •Fruits and vegetables are Glow foods; they help you have shiny hair and sparkly eyes. •Milk and meat
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The Function of an Electric Citrus Juicer Amanda M Sparboe Montana Tech of the University of Montana WRIT 121-03 Professor Wick March 8‚ 2013 Introduction The following document is a full description of the basic function of an electric citrus juicer. There are many types of juicers‚ some much more complex than others. However‚ an electric citrus juicer is a more basic type of juicer composing of only seven simple parts. These parts all work together in a basic orderly manner
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Oil Extraction The oil from citrus fruits is loaded with limonene. Extract the oil from the citrus rinds and use it to make insecticides whenever needed. A couple of small drops of citrus oil is all that is required to make insecticide spray. Sprinkling diluted oil around gardens repels pests. Keep the oil on hand and mix insecticides whenever a problem arises. To extract the oil‚ dry and grind the peels and leave them to soak in grain alcohol. Strain the mixture and leave the alcohol to evaporate
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