Environmental Science > Lab Report > ENVR 1401Lab 11 toxicology experiment and lab report Collin College - (All)

ENVR 1401Lab 11 toxicology experiment and lab report Collin College -

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Lab 11 Toxicology Experiment and Lab report assignment Project deliverables: At the end of this project you will need to upload a copy of your lab assignment and report (see guidelines below). You ... will upload your assignment into your Canvas course under the “Toxicology experiment and lab report” module. Overview You are trying to determine the effect of salt toxicity on the sprouting of beans for the Office of Pesticide Programs (OPP) at the Environmental Protection Agency (EPA). We are interested in determining the toxicity of salt (between 0-1%) on beans. In other words, we want to know how high a concentration of salt we can use without significantly impacting the germination rate of beans. Experimental Design Formally, in order to apply the scientific method we need to: • State the problem • Develop hypotheses • Design and Perform Experiment • Analyze and interpret the results • Share the conclusions with others First, read the scientific method background document in your Toxicology lab module and answer questions 1-7 below. State the problem: We must always have a specific thing that we are trying to measure and a way to measure that hypothesis. 1. What specifically are we trying to find out with this experiment? We are trying to know how high a concentration of salt we can use without significantly impacting the germination rate of beans. Develop hypotheses: We HAVE to have a very clear statement of what we think the relationship between our dependent and independent variables will be. To do this we write hypotheses. Hypotheses should be very clear and MUST ALWAYS BE TESTABLE! 2. What is the independent variable in this experiment? The independent variable is the concentration of the salt. [Show More]

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