small organic molecules to different parts of the plant. epidermis - function is to protect the inner layers of cells - is a close fitting layer on both the top and bottom of the leaf. epidermal cells sometimes secrete a waxy cuticle - reduces evaporation from cells. lower epidermis there are stomata each stoma is surrounded by guard cells - can open/close the space between them. guard cells contain chloroplasts / epidermal cells do not contain
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II. Subject Matter: Mixture Reference: Science for Daily Use 4 A. Science Concept A mixture is a combination of two or more different substances where their individual characteristics are maintained. Ways of separating mixtures are: evaporation‚ filtration‚ sieving‚ sifting‚ straining‚ winnowing and through the use of magnets. B. Processes Stressed- Observing‚ and Describing C. Materials: III. Procedure Teachers Activity Pupils Activity a. Lesson Proper
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will then be separated through the means of filtration. Then the salt will be separated from the water through evaporation. Theory: If the heterogeneous mixture is separated through filtration then the salt water and sand should be separated completely.A heterogeneous mixture is a mixture that is not evenly distributed throughout. If the homogenous mixture is separated through evaporation‚ then their should just be salt left over. A homogeneous mixture is mixture that is thoroughly distributed evenly
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of the encouragement and most of all I would like to thank god for keeping me calm with all the stress I had. Abstract The purpose of my project is to explain the processes of the water cycle‚ explain what it is‚ and to show the process of evaporation and what happens during this process.my procedure consist of placing the small container in the middle of the large ‚ clear bowl. Fill the bowl with a little water‚ being careful not to fill the small container inside. Cover the bowl with plastic
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than Malyalam? (i) 25 (ii) 50 (iii) 76 (iv) 67 Passage No. 3 The phenomenon of change of a liquid into its vapour at any temperature below its boiling point is called evaporation. Wet clothes dry up in air due to the evaporation of water. Rate of evaporation increases with increase in temperature. The particles in a liquid have different kinetic energies.
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FOREWORD: The world as we know it has changed drastically over the years. With the advent of technological and industrial advancement‚ life has become much easier‚ however‚ not without its share of negative consequences. One such consequence is that the quality of the air we breathe has deteriorated considerably- mainly as a result of human activity. Is this an acceptable price to pay for development? INTRODUCTION: This report seeks to identify the main industrial sources of air pollution in
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activity of Kaempferia galanga L rhizome against the P.acne bacteria‚ to know the physical stability of the Kaempferia galanga L extract gel‚ its safety‚ and its effectiveness as an anti acne gel for the treatment of mild to moderate degree of acne. Extraction was done by maceration using 96% ethanol. Antibacterial activity testing was observed at concentrations of 0.75%‚ 1.25%‚ 1.75%‚ and 2.25%. The gel with a concentration of 0.75% had an inhibition zone of 11.5 mm in Brucella medium. Based on the physical
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FO 101 FOREST ECOLOGY CLIMATOLOGY PART A Compendium By Munishi‚ PKT and Madoffe‚ S.S. August 2008 1. INTRODUCTION Trees and animals survival and growth on given site and represent an integrated response to a complex of many fluctuating and interacting environmental factors. The environmental factors are conveniently grouped into biotic (genetic variation‚ stand density‚ competition‚ pests and diseases) and abiotic factors (climatic conditions
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GEOHYDROLOGY HYDROLOGIC CYCLE The movement of water on the earth’s surface and through the atmosphere is known as the hydrologic cycle. Water is taken up by the atmosphere from the earth’s surface in vapour form through evaporation. It may then be moved from place to place by the wind until it is condensed back to its liquid phase to form clouds. Water then returns to the surface of the earth in the form of either liquid (rain) or solid (snow‚ sleet‚ etc.) precipitation. Water transport can also
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solid that isn’t dissolved in water. Another method is magnetic separation. Magnetic separation is used when there is a magnetically charged material in a mixture and is extracted by a magnetic force. The last method that could be used is evaporation. Evaporation separation is used by heating
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