plastic-def. A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable. Plastics are typically organic polymers of high molecular mass‚ but they often contain other substances. They are usually synthetic‚ most commonly derived from petrochemicals‚ but many are partially natural. Plastics Characteristics Plastics are made from fossil fuels--petroleum‚ natural gas‚ coal--‚ wood and some plant materials‚ air‚ water and sometimes other common materials
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researches about it. In this case‚ the one I am interested is egg in a bottle. Secondly‚ we have to make a question or problem which we will try to answer at the end of the experiment. For this experiment‚ my question is what (will) happen when air molecules expand. Thirdly‚ created the hypothesis to predict or guess what will happen in this experiment. Here‚ I think that air pressure will make the egg fit through the mouth of a bottle. After we have a topic‚ question and hypothesis‚ we can start
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OCEAN PLASTICS POLLUTION: A GLOBAL TRAGEDY FOR OUR OCEANS AND SEA LIFE Plastic never goes away. And it’s increasingly finding its way into our oceans and onto our beaches. In the Los Angeles area alone‚ 10 metric tons of plastic fragments — like grocery bags‚ straws and soda bottles — are carried into the Pacific Ocean every day. Today billions of pounds of plastic can be found in swirling convergences making up about 40 percent of the world’s ocean surfaces. Plastics pollution has a direct and
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IMPORTANCE OF PLASTIC:- Plastics are a subset of materials known as Polymers. These are composed of large molecules formed by joining many smaller molecules together (monomers). Other kinds of polymers are fibres‚ elastomers‚ surface coating and biopolymers‚ such as cellulose‚ proteins and nucleic acids. Plastics owe their name to their ability to be shaped to form articles of practical value by various conversion and forming processes. These are some peculiar properties of plastics materials‚ which
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GROWTH AND YIELD RESPONSE OF CHINESE CABBAGE (Brassica rapa chinensis) USING LED LIGHT‚ UV LIGHT AND FLUORESCENT LIGHT BULB AS A SOURCE OF LIGHT A High School Thesis Presented to the Research Committee and Submitted to Mrs. Luzviminda M. Bago In partial fulfillment of the Requirements in the Subject Research II By: Nidera‚ Jeffrey A. Garcia‚ Jill Anne Ruth V. Trampe‚ Mariel Petals P. Dasmariñas National High School IV-Galileo Special Science Curriculum S.Y. 2011-2012
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From the time we hit our plastic alarm clock in the morning until the time we squeeze tooth paste out of its plastic sleeve onto our plastic tooth brush when we go to bed‚ we are surrounded by plastic. Our food is packaged in it‚ our children play with toys made from it‚ we talk on plastic cell phones‚ and we sit on chairs of plastic at work writing with plastic pens‚ drinking from plastic water bottles. Plastic is everywhere. Where does all this plastic end up? It does not just disappear when we
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experiment‚ there were four onion bulbs labeled A‚ B‚ C‚ and D. Bulbs B‚ C‚ and D were each immersed in a different concentration of coffee. Bulb A acted as the control because it was not immersed in any concentration of coffee; instead‚ the onion roots grew in water. The following is a list‚ in order‚ of the concentration of caffeine bulbs B‚ C‚ and D were in: 0.1%‚ 0.3%‚ and 0.5%. Four test tubes were gathered to set up the experiment‚ each holding an onion bulb. After each day‚ every individual
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------------------------------------------------- Glass bottle From Wikipedia‚ the free encyclopedia This article is about the type of container. For the musical group‚ see Glass Bottle (band). Various vintage Coca Cola bottles. Various beer bottles glass spray bottle A glass bottle is a bottle created from glass. Glass bottles can vary in size considerably‚ but are most commonly found in sizes ranging between about 10ml and 5 litres. The history of glass can be traced back to at least
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Theresa Osborne‚ a former reporter‚ works as a researcher for the Chicago Tribune. On a trip to Cape Cod‚ she finds a mysterious‚ intriguing love letter in a bottle in the sand‚ addressed from Garret to Catherine. She is fascinated by it and comes into possession of two more letters by the same person‚ eventually tracking down the man who wrote them‚ Garret Blake. He has refurbished a boat called Happenstence with his wife before her death and he lives quietly on the Outer Banks of North Carolina near
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knowledge on how to solve this problem effectively. plastic is everywhere and the reason that plastic is everywhere is be ABSTRACT Plastic Pollution has become a global issue in our oceans. Although we hear about this from time to time the problem has grown tremendously beyond our knowledge. There are a growing number of animals dying each day due to plastic particles that either get stuck around their head‚ or that they swallow. If we do not stop plastic pollution in our oceans the ocean will eventually
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