Plant Growth Lab We all know that plants use sunlight to grow. It houses glucose, which plants use for food. Materials: Sprouted seed (12 total) Paper towel One clear beaker Two cups with soil Water Methods: Wet the paper towel. At the aquaponics lab at Commonwealth Charter Academy in Harrisburg, seventh grader Hazel Tilder spends the day saying nice things to plants. ( Melissa , 2014). Day 1: The beans are in water. At the end of the experiment, the plant under the red light was the tallest and the plant under the green light was the smallest. • Iron is a part of many compounds that regulate and promote growth • Oxygen carrier • Chlorophyll development and function • It plays a role in energy transfer within the plant • Iron functions in plant respiration and plant metabolism • Involved in nitrogen fixation • Immobile in plant Deficiencies or Toxicities made worse by:. Using Figures - The Basics Overview. So one of the experiment purposes was to find if this food is healthy for the birds. Some plants require full sun; others grow in the shade. Bachelor of Science degree in a chemistry related field or two to five years’ experience in various laboratory settings such as manufacturing, environmental, food/beverage, or water treatment. The goal of the experiment is to determine if there is a direct relationship between salinity of water and plant growth. Any time you have conducted a science experiment, you should write a lab report detailing why the experiment was performed, the results you expected, the process you used, the actual results, and a. Topics: Seed, Gibberellin, Fruit Pages: 2 (477 or they may be natural hormones that were extracted from plant tissue. Science Lab Report Example Using the Seed. Their seeds have great flavor that we use to make mustard. East Carolina University. Huge List of Biology Lab Experiment Ideas, Experiments Topics, Models Ideas for Kids and also for Middle school, Elementary School for class 5th Grade,6th,7th,8th,9th 10th,11th, 12th Grade and High School ,CBSE, ISC Class 12 and MSC and College Students. The one with the biggest growth was plant under the red light, followed by a tie between the white light and blue light and last was the plant under the green light. Our lab can analyze your soil and determine the percent Organic Matter it contains. Day 1: Discussion, practice use of indicator solutions, design labs and set up experiments. Materials per group of 2 students: primary isolation plates from previous lab session. It wasn't until 1771 that an English chemist, Joseph Priestly , began to experiment with plants and the air. SAMPLE LAB REPORT. Plant Growth Lab We all know that plants use sunlight to grow. The soap runs into a stream that goes near his flower beds. Throughout the course of a nine week period, five lima bean seeds were watered with five different solutions to see which will most enhance the growth of plants. Education Center - K-12 Lessons and Laboratories - Classroom Activities in Plant Biotechnology: Activity 7 - Effect of Environment on Plant GrowthThe purpose of this activity is to demonstrate the effect of changes in the environment on the growth and fertility of landscape grasses and crop grasses such as wheat and rice. There will be two variables that students will compare: how the color of light affects growth, and how the amount of Lab Report: Each student will produce a formal lab report. The sections required vary from laboratory to laboratory but the standard outline for most lab reports in the biological science include: title, your name, purpose of the experiment, methods, results, discussion and conclusion, references. Plant growth regulators may be synthetic compounds that mimic naturally occurring plant hormones, or they may be natural hormones that were extracted from plant tissue. In this life science classroom lab, students investigate the effects of a variable on the germination of a small plant. Have the TA check off your raw data and drawings before you leave lab and time. Air that is not fully. Antibiosis is an association between two or more organisms that is detrimental to at least one of them. You will be provided with plastic ziplock baggies, paper towels, and seeds to conduct your experiment. Most experiments carried out in growth chambers do not aim on unlimited growth of the stem and plants are stopped after having several flower trusses. Topics: Seed, Gibberellin, Fruit Pages: 2 (477 or they may be natural hormones that were extracted from plant tissue. Water again when soil is damp. These materials for, though might be links duckweed lab report in this category the job incumbent upon me to pray, academic writing essay promote, and preach. Growing Plants. As your students gain more knowledge of biology and ecology, you can incorporate plant science experiments into larger units about the environment. The Basic Experiment. Objectives-Understand some of the factors that affect population growth, like method of reproduction (asexual or. Pairs of groups had the same number of duckweed at the start, except for one, the group that started with 50 duckweed. Sometime genes make plants more sensitive to environmental stress and others make plants more resistant. Each of these solutions were distributed to two of the grass filled containers. The five-second rule has been tested in several scientific papers. My bean has germinated too! It is about 2. Please sign in or register to post comments. Just growing bacteria in a Petri dish is not a science fair experiment. Experiment: Plants - Beans & Soil (elem/upper elem) In this "hands on science" experiment, students compare growth between beans planted in soil and beans planted without soil in order to understand the importance of soil nutrients to. Below, you'll find some helpful links to water pollution and filtration science experiments for use in the classroom or at home. It is a scientific Inquiry project booklet meant to compare a plant in the light verses a plant growing in the dark. A good experiment will test more than one amount of fertilizer and compare the growth among all groups. Plant Physiol. Pearson, as an active contributor to the biology learning community, is pleased to provide free access to the Classic edition of The Biology Place to all educators and their students. Using Figures - The Basics Overview. Ingleside, University of Chicago, Chicago, Illinois 60637 ABSTRACT Growth chamber experiments with rapid-cycling Brassica rapa were designed to estimate the signsand magnitudes ofthe genetic correlationsfor plant performance in each ofthree conditions:. Three primary plant nutrients – nitrogen, phosphorus, and potassium – are required for healthy plant growth. Type a question, hypothesis, and variables for this lab. You can also perform an experiment testing how the size and type of plant can affect how quickly the plant respires. Vegetation – In Vegetation (VEG) stage, rapid, healthy overall plant and root growth is desired, and in general most growers desire maximum growth but with shorter compact plants with short inter-nodal spacing preferred. Any time you have conducted a science experiment, you should write a lab report detailing why the experiment was performed, the results you expected, the process you used, the actual results, and a. rachael pace biology 106. Incorporate botany in your classroom with these lessons and printables on trees, flowers, ferns, molds, and mosses. Scientists know that lab reports are a very important part of every experiment. THE EFFECTS OF INTERSPECIFIC AND INTRASPECIFIC COMPETITION BETWEEN RYE, TOMATO AND ALFALFA IN SHADE AND LIGHT ENVIRONMENTS WITH A FOCUS ON THE RYE PLANT Abstract: Rye, alfalfa and tomato plants play a significant in agricultural fields. In particular, we will consider the experiment when data for some of the factor-level combinations are not available (the plants did not shoot up). The plants exposed to full sunlight grew an average of 3 cm in 14 days, while the plants left indoors grew only 0. Measurement errors can result in flawed data, faulty conclusions and a low grade on your lab report. plants, chrysanthemum as herbaceous plant and ficus as experiments were arranged in a split plot design where two woody plant, to investigate the effect of plant type factor. Plant growth regulators may be synthetic compounds that mimic naturally occurring plant hormones, or they may be natural hormones that were extracted from plant tissue. For instance, when writing a lab report example biology or a chemistry report, you need to start with an introduction that provides readers with an overview of your paper, followed by the methods and procedures used, the results of the experiment, and finally your conclusion regarding what you found and if intentions of conducting the study. They’re pledging to pay farmers and ranchers to capture more carbon in fields and pastures. Temperature and Photosynthesis: How Does Temperature Affect the Rate of Photosynthesis in Plants? Introduction. You will calculate the plant growth by measuring the height of each plant under different colors of light. In this project you will design and perform an experiment to test the effect of pH on plant growth. In the Environmental Effects on Mitosis Inquiry Lab Solution for AP ® Biology, students study the effects of biotic and abiotic factors on mitosis in onion root tips and then they form, test and justify a hypothesis. By determining the optimal salt concentration for vegetative growth, we will be able to understand why it is an environmental hazard to expose our environment to high levels of sodium chloride. So this could have also affected the growth of the. We created an excellent page about Plant Growth Hormones here and here. Type a question, hypothesis, and variables for this lab. When you pot a plant especially in plastic pots, it becomes insulated ad starts picking up the AC electricity in the air causing growth. small flowering plant that is widely used as a model organism in plant biology. How Does Caffeine Affect Plant Growth? Experiments have shown that some plants are able to withstand a small amount of caffeine, but at large enough concentrations, their seeds may be stunted or not germinate at all. I will begin feeding it a salty diet as of today. By far the most important of these is the first. There were two different slides, one of onion root tip and one of whitefish blastula. Say you want to test the effect of a certain fertilizer on radish plants growth. Other scientific or research based concepts, such as graphing, dilutions, and general lab protocol will also be covered when certain allelopathy activities are conducted in the lab or classroom setting. The experiment was done using levels of fertilizer lower and higher than the recommendation by the manufacturer. I truly appreciate your comments. botulinum,. Growth stages of Cannabis: There are also generally 4 growth stages in cannabis that have different spectrum requirements. You observed growth and development over many weeks and State the purpose of this multi-week genetics experiment explaining that you are C -Fern Lab Report. Science project. Numerous groups around the world have been conducting experiments in which plots of land are But higher plant growth will only lock away CO 2 if there is an according to the IPCC report. Test plants in each group were consistent in rate of growth. Plant Growth Hormone Lab Report. Pre-Lab Questions ”1. Experiments were therefore carried out on South Georgia during the summers of 1969-70 and 1970-71 to investigate the effects of age on growth under different local climates and, in view of Warren Wilson's (1966) evidence of nutrient limitations in polar soils, to assess the difference in growth between plants grown in a. Plant growth is the process by which the plant grows in size. The laboratory provides quality testing and unbiased, research-based recommendations to clients for economically viable and environmentally safe nutrient management practices. The goal of the experiment was to find germination rate and average germination time of each kind of seeds. These plants live in still experiment before performing each lab activity. A soil s pH affects the availability of all plant nutrients. You will collect your results in Lab 8 and report your findings during Lab 9. This is due to the different kinds of substances and chemicals that. This data indicates that Diet Coke has a negative affect on plant growth. Then after cooling she used the water to water two identical plants to see if there would be any difference in the growth between the normal boiled water and the water boiled in a microwave. As your students gain more knowledge of biology and ecology, you can incorporate plant science experiments into larger units about the environment. The sections required vary from laboratory to laboratory but the standard outline for most lab reports in the biological science include: title, your name, purpose of the experiment, methods, results, discussion and conclusion, references. It will be the factor tested in this experiment. You will calculate the plant growth by measuring the height of each. Use these lab report templates to have your class of budding scientists record their experiments. Be sure to measure from the bottom of the aquarium and not the surface of the potting soil. For example, you may conclude that plants grow optimally at 4 hours of light a day. Lab Report Raoul Rodriguez 8/30/15 Ms. Then I would treat plant A with chemical fertilizer, plant B with cow waste and plant C with no fertilizer at all. Laboratory (72 hours (for kinetics of Arsenic uptake), 3 days (effects of plant density, Plant re-use, and plant age), 10 days (groundwater remediation)) The groundwater was collected from a location which may have been contaminated from application of arsenical herbicides in the past. They’re pledging to pay farmers and ranchers to capture more carbon in fields and pastures. What Type of Plants Are Best for Science Projects? Plants for Growth Experiments. Tomato Lab Context and background On Friday which as 9. This allows a scientist to see if the fertilizer has an effect on growth compared to a plant with no fertilizer. The plant-growth experiment will be performed in several versions, and you will see that the statistical model used depends heavily on how the experiment was carried out. Lab Report on Plant Growth At the beginning of the semester, your instructors set up an experiment to determine whether two hormones, auxin and cytokinin, affect the growth of lettuce seedlings. , knowing what is happening in the research. 5x recommended rate of Miracle Grow, while the last tray (control) was given only tap water. Far from killing your plants, the coffee will stimulate growth. In reality, knowing the effects of acid rain is important. Part G : Methods and Materials Laboratory Methods A. Lab Schedule Calendar Week Laboratory Exercise Week 1 Jan 13 – Jan 17 Lab 1 Orientation to the Laboratory Week 2 Jan 20 – Jan 24 Lab 2 Recognition of Plant Structures Week 3 Jan 27 – Jan 31 Lab 3 Plant Identification & Taxonomy. Search the site GO. The null hypothesis (H 0) is a hypothesis which the researcher tries to disprove, reject or nullify. The question I was attempting to answer was; what are the effects of different types of water on the growth of grass?. Preview text. Unformatted text preview: Lab report 2 - The Effects of Organic Fertilizer on The Growth Rates of Plants Abstract The purpose of this experiment was to find out if organic plant fertilizers would have a positive impact on the growth of bean plants. We'll see how in this home experiment. Anyway, thanks for dropping by and commenting. This lab requires two 45 minute periods, separated by 1 to 2 days. The Effects Different Types of Water Have on Plant Growth Abstract This experiment examines the rate of plant growth when watered with different solutions. This report also meets the requirement for organization and analysis of data because we had to gather data about the plants' growth every day throughout the length of the lab. It is hypothesized that if the concentration of salt solution of the experimental group increases, then the amount of seeds that germinate will decrease. This is a booklet made for students to design a plant experiment, collect data, make observations and interpret their results. Wong’s 7th period bio-honors class, we did a lab experiment on the processes of mitosis and the different phases as seen under a microscope. To do this, remove the. *Begin with a statement about the results and explain influences, errors, difficulties in the experiments, and possible. The objective of the experiment is to study the effect of fertilizers on radish plant and how the lack of fertilizers can affect the growth of the seeds planted. This teacher sheet accompanies the lesson, Crops 2: What Plants Need to Grow. There were two different slides, one of onion root tip and one of whitefish blastula. Plant Growth Observation Chart. Pre-Lab Questions ”1. This is a biological chemical that affects the growth of some plants in positive and negative ways (Wikipedia). Based on your observation, complete the lab report. "Time Series Experiments for Studying Plant Growth Response to Pollution" 3. Familiarize yourself with a recent edition of this journal, available in the Clemens Library or online for the details of organization, headings, methods of citing references, methods of presenting data, etc. In addition to describing the conventional rules about the format and content of a lab report, we’ll also attempt to convey why these rules exist, so you’ll get a clearer, more dependable idea of how to approach this writing situation. Further experiments were done to optimize bacterial concentration, co-cultivation time, medium components, frond pre-treatment, and co-cultivation physical environment. Plant your seeds in potting mix according to the directions provided in class. Material needed for experiment or a science kit about this title may be available at MiniScience. If students gain a clear understanding of plants function and structure, they can assist with plants growth, survival, and reproduction. This handout provides a general guide to writing reports about scientific research you’ve performed. This teacher sheet accompanies the lesson, Crops 2: What Plants Need to Grow. In addition, the water causes turgor pressure to increase in the cells and they are able to enlarge. How tall did the bean plant in no light grow up to in inches? No light Conclusion The experiment we completed involved the growth of bean plants. As a preview to the future unit on plant reproduction, note that corn make two distint types of flowers - one male (seen by the tassels) and one female (seen by the silks). Lab Report: The impacts of salinity on modern agriculture scientific experiment conducted by 'Carnegie Science' found that soil salinity considerably affects the growth rate in plants. Using the Scientific Method. I had taken interest in plants since then and used my school's annual science fair to once again conduct an experiment on plants. The target canola density was five plants per pot in each treatment and ten annual ryegrass plants per pot in the weedy treatment. The idea is that when you pot a plant or remove it from the soil you have disconnected it from the earth and all the negative electrons the plant needs. Students will come up with their own variables to test and then conduct their own experiment. Keep plants in such a way that all the cut ends of the twigs face upwords. Nitrogen occurs in all living organisms and is believed to be an important nutrient for plant growth (Chalk 1991). Plantorade? (Final lab report) This topic submitted by Becky Lee, Allison Meyer, Anna Habig in this fashion to gain a higher understanding of the effects of nutrient availability and food intake on vegetative growth. Abstract: With respect to scientific inquiry and investigation, this salinization lab was implemented to determine how the concentration of salt in water affects the germination of seed growth. Today was a bit dark so the beans did not get too much…. Acid rain is a side-effect from the burning large amounts of. In fact, water movement in plants doesn't rely on energetically expensive biological pumps or even magic. When one or more of these essential nutrients is lacking, a plant may be expected to be unhealthy in some way. These can be used to find the carrying capacity by solving for y=1. Their importance was recognized in the early 19th century. Preview text. Place 10 of the green bean seeds on the paper towel so that they are equally spaced and above the fold of the paper towel. First, keep each experiment as a separate notebook within OneNote and save that notebook in the same directory as the related experiment. Lesson Plan 12 Salt and germination Brief description This fascinating, cheap and very reliable experiment clearly demonstrates the damaging effects of salinity (salt) on seed germination. It is meant to be copied back to back, folded and then s. This is a bad thing. Final Lab Report For The Extent That Different Types Of. These experiments are available as a PDF booklet which can be opened or downloaded here: Soil Experiments The experiments included are as follows: 1 To find the percentage of water in a sample of soil. According to scientists, plants are now growing without light and effects the development stages. Often teachers give general outlines of skills that students are meant to ascertain from an experiment which aren't necessarily what the actual experiment is directly testing. Kids will to see the changes over time and watch the sprouts and roots. 1 Introduction Chamomile and yarrow are both medicinal plants cultivated all over the world in an effort to determine the main active compounds from plant materials. What’s more, even if plant growth does rise overall, the direct and indirect effects of higher CO 2 levels will be disastrous for biodiversity. • Document plant growth by taking pictures. Moreover, various outcomes. Soils can be comprised of any one, two, or three of these soil particle types in any combination to give it assigned to the relative amounts determined in the previous experiments. Cancer is a disease related to uncontrolled cell division. literature on all the other studies that have tried to The purpose of this lab was to examine the effect of nitrogen fertilization on plant growth. Hypothesis: If we measure the rate of respiration between germinating and non-germinating pea plants with. Laboratory reports should be written in the format and style of articles in the journal Plant Physiology. They will utilize the data from their experiment to explain their conclusions, and also read a passage on acid rain. The following briefly summarizes this information. Germination of seeds and growth of plants as Experiment No. Final: The Effect of Different Types of Water on the Growth of Bean Plants(Olivia 2) This topic submitted by Kelly Conway, Andrea Lucarelli, Joanna O'Connor, Jenny Rodgers ([email protected] 16 we were giving like one of those small tomatoes and we had to start a tomato plant and the reason for this is because our teacher Mr. A horticulturist (plant scientist) complains to the city that a nearby residence is ruining his flowers because of the detergent being used to wash their cars. Bachelor of Science degree in a chemistry related field or two to five years’ experience in various laboratory settings such as manufacturing, environmental, food/beverage, or water treatment. If there is free water in the soil, the moisture content as measured probably will be less than the correct value because some water will drip off as the sam ple is removed from the ground, or some may be squeezed out by. Christopher Chang's Soil Lab Report AP Environmental Science Lab Reports. This strategy does not inhibit the growth of other organisms but results in an. This is a simple science experiment that teaches kids how plants grow out of tiny seeds. · The amount of Hydrilla plants taken must be kept constant throughout the experiment. An enrichment experiment involves plating a mixed culture on a medium or incubating plates in environmental conditions that favor growth of those microorganisms within the sample that demonstrate the desired metabolic properties, growth characteristics, or behaviors. Our lab can analyze your soil and determine the percent Organic Matter it contains. Any time you have conducted a science experiment, you should write a lab report detailing why the experiment was performed, the results you expected, the process you used, the actual results, and a. RECIPIENT'S ACCESSION NO. Measurement errors can result in flawed data, faulty conclusions and a low grade on your lab report. However, plants can affect their micro-environment and are often found to grow well over a range of soil pH. Thanks to the recent developments in LED (light emitting diode) grow light technology, specific light wavelengths can now be isolated in order to control the different physical properties. Samuel A Discua Duarte, Entomology (Honduras) Dan Herms, Faculty Mentor. 1 Introduction Chamomile and yarrow are both medicinal plants cultivated all over the world in an effort to determine the main active compounds from plant materials. Abstract: With respect to scientific inquiry and investigation, this salinization lab was implemented to determine how the concentration of salt in water affects the germination of seed growth. We had to conduct many trials and decide on an effective procedure in order to get accurate results. How Light Affects Plant Growth. Note: The goal is to determine how exposure to different amounts of light affects the growth of the plants. METHODS OF MEASURING SOIL MOISTURE IN THE FIELD U-3 from running down the hole into the drier material. A beneficial microorganism, yeast has been used in the fermentation of foods for thousands of years. Titicaca) (provided by Department of Plant Environmental Science, University of Copenhagen) were stored at 5 °C until the start of experiments. Download thesis statement on Plant Growth Hormone Lab Report. We had to conduct many trials and decide on an effective procedure in order to get accurate results. You must make a note of the brand and use-by date so that anybody else wanting to repeat the Mold Bread Experiment can use the same type. Examples of notebook pages Rice University. For example, here is a simple experiment in which students test how man-made chemicals affect the growth of algae. However, plants can affect their micro-environment and are often found to grow well over a range of soil pH. As shown in Tables 1 and 2, the average plant height was 8cm while my plant grew only 7 cm. Understanding the limiting role of nutrients in the capacity of plants to help slow climate change is a priority to accurately model and predict climate change. These regions of growth (meristematic tissues) are good for studying the mitosis because at any given time, undergoing mitosis division can be observed in the root tips cells. Experiments MATERIALS AND METHODS By the end of each experiment, one month after. These materials for, though might be links duckweed lab report in this category the job incumbent upon me to pray, academic writing essay promote, and preach. Our goal in this lab was to discover the most optimal environment for growth in regards to the success of the onion plant growth. Each experimental unit had four pots. Part G : Methods and Materials Laboratory Methods A. As your students gain more knowledge of biology and ecology, you can incorporate plant science experiments into larger units about the environment. edu ) on 12/11/98. M 24 January Ch. Jack W, thank you for sharing your thoughts and experience. This is similar to the plant growth research partnership between the US, Russia, and Japan on the International Space Station (ISS). This experiment's purpose was to see if a peppermint plant and a cricket could live separated from the outside ecosystem. In this science experiment, kids will grow a bean maze to truly "see" how plants will seek out what they need. Our latest DIY Science video examines the bugs on your bologna with an experiment. The environment combined with the plants genetics creates what we call the plant "phenotype". In this Virtual Lab you will conduct an experiment to investigate what colors of the light spectrum cause the most plant growth. Do the results of your experiment support your hypothesis? The Medfield High School students found that the higher salt concentrations had more negative effects on plant growth and development. We planted four seeds in several pots, each of standard size. You May Share Data And Other Results The Group Collected During In A Lab However, You Copy Or Share Answers To Interpretive. (The tissue culture medium contains all the compounds needed for plant growth, including mineral nutrients, sucrose, vitamins, and plant growth regulators that result in shoot or root production. Botany and Plant Growth Science Projects. Plant growth regulators may be synthetic compounds that mimic naturally occurring plant hormones, or they may be natural hormones that were extracted from plant tissue. For our lab, we will examine four methods of sampling population size. waterways and cause plant growth to become excessive. It is important that students have the opportunity to investigate how plant parts function in order to grow and survive. Extra CO 2 could help the forest to flourish — but low levels of the nutrient phosphorus in the region’s soil might limit plant growth, says Anja Rammig, an ecologist at the Technical. Type a question, hypothesis, and variables for this lab. 5x recommended rate of Miracle Grow, while the last tray (control) was given only tap water. To evaluate the impacts of nitrogen on plant growth, the aquatic. The entire lab group laughed when the water spilled out of the test tube. 4: Organization of the Cell Lab Exercises 4 and 5: Macromolecules and pH W 26 January Ch 31: Plant Growth and Structure M 31 January Ch 5: Biological Membranes and Diffusion Lab: Exercise 6: Structure of Cells, Plant Anatomy W 2 February EXAM 1. This experiment was conducted to find out how the amount of fertilizer used will affect the growth of plants. Test plants in each group were consistent in rate of growth. But there are a number of features common to all good experiments (and often absent from bad ones) which exist whatever the technical details. This experiment is the only one that has a free topic and it is also really creative. Include the following sections, which must be labeled. This lab explores the correlation between salinization and plant growth by stimulating radish seed germination in a controlled experiment with control groups of increasing salt concentrations. Plants require energy for growth, reproduction, and defense. epidermidis may be inhibited. Various concentrations of leaf extract were prepared and used (0, 1. This is known as allelopathy. What does light do for Horticulture? Need to report the video? Sign in to report inappropriate content. How Light Affects Plant Growth. Results indicated that the seeds primed by gibberellins (GA), NaCl, and polyethylene glycol (PEG) reagents showed a higher imbibitions rate compared to those primed with water. Be sure to measure from the bottom of the aquarium and not the surface of the potting soil. Inclusion of the variables of amounts of light/ Independent Dependent Control Sunlight. Seed Germination Lab Report Measure the growth of the seeds by measuring the plants with a ruler. and better harvesting. Plant Population Growth Lab. Lab Report #3 IMPACTS OF NITROGEN ON PLANT GROWTH JOHN SMITH, Millersville University, Millersville, PA, 17551. The precautions required depend on the experimental situation, including the growth media used, the competitive abilities of the experimental organism, the duration of the experiment, and the intended use of the culture. graph was used to determine the growth rate for the populations of P. In this Virtual Lab you will conduct an experiment to investigate what colors of the light spectrum cause the most plant growth. This experiment was designed to measure the effect of pH on the hatching of eggs from several species of aquatic animals. In a series of experiments over 77 days, Woodward had seen the same results as this study and he also rejected the hypothesis that plant growth comes from water. When is a Lab Report Conclusion Needed? Scientific courses such as biology, chemistry, physics and engineering frequently require hands-on activity in a laboratory with written reports of findings and conclusions. Many of the models in physics are mathematical in nature and you have been using these in your lecture course in the form of equations. edu ) on 12/11/98. Temperature and Photosynthesis: How Does Temperature Affect the Rate of Photosynthesis in Plants? Introduction. All about the effect of light on plant growth. Plant Lab Report. Fresh seeds of your choice such as pumpkins seeds, sunflower seeds, lima beans or pinto beans.