impact of light on the germination of seeds Research: A seed is the reproductive unit of a plant that contains a mature ovule with an embryo. The seed is made up of the seed coat hard shell over the seed‚ two cotyledons‚ fleshy membranes that store food‚ an epicotyl‚ which forms the primary shoot‚ the radicle‚ the primary root of the seed‚ and the hypocotyl‚ the stem of the epicotyl. When the seed is triggered by water to sprout‚ a process called germination begins. Germination refers to the sprouting
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A pH meter is an electronic instrument used to measure the pH (acidity or alkalinity) of a liquid (though special probes are sometimes used to measure the pH of semi-solid substances). A typical pH meter consists of a special measuring probe (a glass electrode) connected to an electronic meter that measures and displays the pH reading. The probe The pH probe measures pH as the activity of hydrogen ions surrounding a thin-walled glass bulb at its tip. The probe produces a small voltage (about 0
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1 Lab Report Title: Measuring pH Levels Instructions: Enter the Virtual Lab‚ and conduct the experiments provided before going out into the virtual field for additional research. Please type your answers on this form. When your lab report is complete‚ submit it to the Submitted Assignments area of the Virtual Classroom. Part I: Answer the following questions while in the Phase 1 lab environment. Section 1: You will be testing 4 known solutions for pH levels using a standard wide-range
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Do Unto Others In the book Ella Minnow Pea‚ the linguistic world around them is eroding as the roots of their native language is slowly decaying as the days go by. During this time of confusion‚ hate‚ and misunderstanding the villagers must unite‚ for if they do not‚ the loved ones around them will start to fade away as well. The struggles they face between friends‚ family‚ and neighbors will challenge the close knit relationships they’ve spent a lifetime building in their small island community
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The Enhanced Greenhouse Effect The greenhouse effect is the effect of heat in the atmosphere which is causing more problems in the earth. The gases in the atmosphere‚ warmth from the sun would rebound back into space. Lot of gas in the air causes a large amount heat to be engrossed into the atmosphere also the heat of the sun’s energy warmth the world’s atmosphere. This Enhanced Green House effect experiment is to demonstrate that earth’s heat may be increasing because of the atmosphere in earth
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Experiment 20: pH Titration: Phosphoric Acid in Cola Drinks Post-lab Assignment or Report The post-lab report for this experiment is due at the beginning of the following lab period. Student notes for the lab will be available on the lab T-Square site. Learning Objectives Students will be able to... • Use a known mass of solid acid to determine an unknown concentration of a basic solution (this process is called “standardization”). • Execute a titration using good‚ reliable technique.
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Green Revolution Reflections Q: The Green Revolution was to reduce the hunger problem in the world‚ but did it? On the whole‚ I feel that the Green Revolution helped to solve the problem of poverty to a certain extent. While it greatly reduced poverty in some countries‚ other countries were not as fortunate and did not enjoy the benefits the Green Revolution brought about. Hence‚ the Green Revolution only helped to solve the issue of poverty in some parts of the world but did not completely eradicate
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Question 1 Critique Dr. Honeydew’s report. Specifically‚ discuss what is missing and how the missing information should have been presented. First the PH measurements‚ Dr. honey dew does not explain how the PH device was calibrated or if the blood sample was added or mixed with anything prior to the measuring of the pH (like water‚ etc.). In regards to the absorption spectroscopy‚ the method by which the concentration was obtained is questionable. Was the concentration known before the experiment
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Lab Report: Purpose: The Objective of this lab was to learn how to measure the pH (or acidity) of commonly known fluids‚ using the correct tools and procedures. To then use that data to document the changes noticed when mixing those same fluids and changing their respective pH levels. Materials: In order to conduct this experiment several pieces of equipment and other materials were needed. The first item was a graduated cylinder‚ which was used in order to measure out the precise
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Natural Acid Rain Effect on Tomato Seed Germination Qsanet Tekie Mrs. Schneider AP Environmental Science 2nd Period 15 February 2014 Manufactured vs Natural Acid Rain Effect on Tomato Seed Germination Introduction The purpose of my experiment is to see the effects of different types of acid rain on tomato see germination. Specifically‚ I am testing man-made acid rain versus natural rain water to see if one inhibits the seed germination more than the
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