Experimental setup:Place a corn seed in a dark cupboard with a single light source. At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. Don't do it! What effect do conditions, such as temperature, sunlight have on the rate of spoilage. Unit 8, Suite V4Oakville, Ontario,CanadaL6H 1M3. The analysis of the results and the design of the method is another place where PE can be demonstrated, try to take the standard lab and adapt it so show something which is not 'standard'. The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. A full experimental setup can be found on this link. Compost is made from dead plants and manure is the waste from animals. Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. This is an interesting topic of investigation which relates to osmosis and ecology. Biology IA | PDF | Escherichia Coli | Bacteria - Scribd The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. It belongs to the family of Enterobacteriaceae where most of them are harmless. You will find 100 topics on various subjects below. For your privacy and protection, when applying to a job online, never give your social security number to a prospective employer, provide credit card or bank account information, or perform any sort of monetary transaction. IA and EE - IB Chemistry Biology IA A well. Comparing Gersmehl diagrams from different biomes or applying them in different real-world conditions by measuring the content of nutrient sinks- biomass, litter, or soil. Many say that as we get older, our reaction times slow down, see if this is true! How does the percentage of salinity in water affect the rate of growth of radishes in mass? Nice to see you here. (DOC) BIOLOGY Practice IA | Riona Claire - Academia.edu Grab ideas, see examples and create own perfect Biology essay and research paper! The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. 16, Determine the effect of glucose concentration on the rate of osmosis. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. Investigate the influence of Ph levels in the soil on the development of the Lepidium avitum 2) How does the concentration of potassium chloride affect the growth of Lepidium savitum. The difficulty begins with identifying the genres in a scientific way. A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. However, keep in mind that even though we are doing our best to maintain this list fresh, other students will find it as well. Biology in the DP - International Baccalaureate Legal Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. This FREE guide reveals the most powerful information for boosting your extended essay score and Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at DP Biology: 30 investigation ideas for Biology IA Therefore, it's super important that your IB Biology IA gets as high a mark as possible. Remember any participants will need to give written consent before any experimenting, and the mild stress of exam conditions must be harmless. These are all genera and the specific species present definitely vary between cultures. This investigation tries to establish a pattern between the weather and the spread of a disease. This investigation is a bit biochemical and the answer to simple research questions about the hydrophobic / hydrophyllic properties of photosynthetic pigments themselves would be a little bit obvious, so the challenge is to thing of a research question that could be answered by mixing petroleum ether (a nonpolar solvent) and propanone (a polar solvent) in different proportions and calculating retention factors. Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. Outline the Equipment, time, and resources to keep a check on its feasibility. test HL - mark scheme, Animal physiology - test HL - mark scheme, Topic 2 - Molecular biology revision activities, Topic 3 - Genetics SL revision activities, Topic 5 - Evolution SL revision activities, Topic 6 - human physiology SL revision activities, Topic 7 - Nucleic acids HL revision activities, Topic 8 - Metabolism HL revision activities, Topic 9 - Plant biology HL revision activities, Topic 10 - Genetics HL Revision activities, Topic 11 - Physiology HL Revision activities, Option A - Neurobiology - Revision activities, Option D - Human Physiology Revision activities, Membrane structure & function quiz 1.3 & 1.4, DNA replication, transcription, translation quiz 2.7, Evolution - natural selection quiz 5.1 & 5.2, Humans - digestion and absorption workout, IA investigation - teachers marks summary, Extended Essay titles and research questions, Extended essay - self review quiz for students, EE supervisor roles - during the writing process, EE supervisor roles - feedback on a draft. Look no further; at Nail IB, we have assembled premium content for you to ace your IBs, and you might want to check out our resources for a smooth IB experience. Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. Independent Variables: How temperature affects transmission viral diseases, How different methods of transmission affect rates of spreading, Challenge: Statistical analysis Website with loads of data on infectious disease: http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Use online colour vision tests to see how different factors affect colour blindness. Before we dive more in-depth, you might want to check out our premium IB Biology SL Notes to own your Biology SL papers! The stages of embryonic development. Click here to learn more. IB Biology IA, EE on enzymes kinetics amylase using Visible spectrophotometer EE and IA on enzyme study is safe, easy and doable for IB students Starch digestion using Amylase Source for amylase from bacteria, malt or salivary amylase. Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. Therefore, 5 trials with 5 samples each make up 25 samples in total. How does the pH level of watering solution affect the growth and development of chickpea (Cicer arietinum) and mung bean (Vigna radiata) over a time period of 5 days indicated by the length of the stem measured? These are just some of the questions which will need answering. They are produced in nature by soil bacteria and fungi. How do different kinds of toothpaste compare? Perhaps another research question will be better, something linked to hormones, or to physical activity. Narrow down the subject. Athletes perform better if they warm up properly before an event. 3. . Growing Bacteria in Petri Dishes - Biology Experiment - The Lab Vegetables decay over time but how can we slow down the process? The best investigations will have a biological reason why there might be a correlation between the IV and the DV. Several university Extension services are now offering easy-to-use websites for those . Without further adieu, lets dive headfirst into, (Metabolism, Cell Respiration, Photosynthesis), Want some A-quality guidance? Bacterial Growth and Nutrition | Biology Ideas | Microbiology Media June 22, 2021 by Ruturaj Mundhe Culture media and Bacterial Growth Bacterial Growth and Culture media are solid, semisolid, and liquid nutrient preparations employed for the cultivation of microorganisms. tillu22. Some assessment of the reliability of the sources will be needed and some discussion of ethics of using someone's data, with their consent, hopefully. We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! There are some quite nice online tests of colour vision, and also many telephone apps. IB Biology IA Ideas (30+ Topics) - Nail IB Bacteria are single-celled microorganisms with prokaryotic cells, which are single cells that do not have organelles or a true nucleus and are less complex than eukaryotic cells. Biology IA Checklist for HL & SL The International Baccalaureate Biology Internal Assessment makes up 20% of the final grade achieved by Biology HL and Biology SL students. Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. Many methods are possible, and there has been some very recent research suggesting that antibiotics can affect the growth of seeds and plants.ref P.W. IA Biology HL 6 This could be compared to listening to music where research has been done to establish that pulse rate can be affected by music. There needs to be some clear links to the biology of blood pressure and how exercise affects it. Using nationally published data on epidemiology and weather data is certainly possible and it could happen that there are correlations between climate and some disease outbreaks this will need explaining in terms of the mechanisms of transmission of the specific disease. (1 More IB Past Papers). Sterilize the spreader by holding it over the spirit lamp and then cooling it in the laminar airflow. You can extract your own DNA from your saliva, or you can use any fruit or vegetable you can find at home bananas and strawberries are some of the most popular at science fairs. Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. The release of CO2 by the body in the lungs is not simple either, factors to consider include the relative amounts of aerobic and anaerobic respiration, as well as the position of the muscles being exercised. This gives the microbe an advantage when competing for food and water and other limited resources in a particular habitat, as the antibiotic kills off their . An ideal IA idea is one that reeks of originality and leaves room for proper investigation and analysis in the process. Check out this link for more details, Independent variables: Age of participant/Age + sensory stimuli (how to hearing, seeing and touch-based reaction rates change), Dependent Variables: Time taken to catch ruler between fingers /Time taken to clap when they see light, Challenges: getting enough people to get reliability, controlling variables, Different diseases spread at different rates in different weather conditions depending on how they are passed between organisms (Skin contact, Blood-Blood contact, Cross-species barriers). 9, Do our reaction times slow down with age? While there is a considerable challenge in designing apparatus and growing plants the idea of using plants to filter the water in 'ecological' swimming pools is quite well established. 0. This might involve the use of a data logger, or perhaps a titration using bromothymol blue. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. The internal. Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. | Biology IA (NOTES) - ibmynotes Biology Science Fair Project Ideas - ThoughtCo The different pH levels are pH 1, 3, 5, 7, 11, and 14. Even though many of these topics led to high scores for some of our graduates in the past, it is important that you listen to the advice of your subject teacher before choosing any topic! Experimental setup:construct a seed germination experiment with different seeds and add increasing solutions of NaCl, observing the impact of increasing salt concentration in different seeds. Fear not, we have elite Biology tutors that can assist you through the process IB Maths is a struggle for most people going through their diploma. The procedure used should be well structured. They found that they could propagate their leavening by saving a bit of unused dough to sow the . 23 Ideas for Science Experiments Using Plants - ThoughtCo To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. Below is a list of 30+ topic ideas for Biology Internal Assessment: Assessment of the effect of temperature on the vitamin C content of various juices What effect can quick shifts in body posture have on baroreceptor feedback and pulse rate? Click here for top-notch IB resources or here to assess how your prep is going! The IB advise student and teachers, each year, to avoid this sort of lab. Take 10 micro liters of the cultured. Experimental setup:Follow this link to for more information of modelling! Experimental setup:Find a xerophyte (eg. then this could be a very good study. Different plants that live in different conditions will have different requirements for gas exchange. Sitting in that quiet corner, sipping on hot chocolate hoping it rains IB Biology IA ideas, instead, going blank and utterly confused? By testing people of different ages to see if there is a difference in their reaction time it may seem like a simple study, but there are a lot of factors which need to be controlled and it will be difficult to find enough participants to create a large enough data set. Use the epidemiological data to measure rates of change. | Challenge: Gathering enough data, Pollution affecting species growth. 50 IB Biology IA Ideas - IB Better Lower concentrations will slow respiration because of a lack of substrate. Similarly to the experiment on the rate of decay, you can also measure how quickly fruits ripen, and which factors affect this ripening. Investigating how tuberculosis's Incidence is related to a countrys Human Development Index(HDI) level. [], or you can call us here at: +44 20 4571 0455. To make matters worse, on top of just doing the dreaded maths exam, were also expected to write a Maths IA exploration into a topic of our choice! There are some ethical questions involved too, and parental consent will be essential for any experiments on children. There are obviously many different factors influencing the rate of ventilation, you can investigate which those are! Of course the ideas are just ideas, nothing is specified and all the details will need to be explored and evaluated by students during their investigations. cactus) and a halophyte (eg. 3. This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. http://www.xrite.com/online-color-test-challenge. Preview 1 out of 13 pages The role of a warm up in sport is clear. 1. State your hypothesis; it is important in the context of your research. Change the different conditions in which the plants are found as well as the species. I'll start first; for my HL Biology IA, I Investigated the effect of varying wavelengths of light on the growth of bacteria; and ended up getting a 21/24 which is equal to a 7 :) Heres a quick summary of how you are supposed to choose an appropriate IB Biology IA idea for your report: Now that you know how to settle on that one perfect topic, lets quickly brief ourselves with the proper planning and procedure involved in the making of an IB Biology IA: Concise Research Question: Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. PDF SIENE IA UIDE SCIENCE IA GUIDE - Lanterna Practical work could look at the density of aphids on leaves of different shades, or bumble bee feeding on flowers of different shapes or predator prey interactions etc. IB Biology IA ideas - Maths, English, Chem, BM, Eco, ITGS - IB Elite The importance of agricultural microbiology. IA Advice & Ideas; Help! Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Studying how different carbohydrates in edibles impact the blood sugar levels in humans. The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. 15, Analysing the impact of river pollution on marine life. Ecological techniques and quadrat sampling could be used together with mapping of digging or scratching to establish whether the presence of a pet increases plant diversity or not. Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . This begs the question, is there an ideal concentration of sucrose for yeast growth? Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. 100 Biology Research Topics Ideas For Students Below you will find science fair project ideas primarily related to biology. 2, Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? Want some A-quality guidance? Unraveling topoisomerase IA gate dynamics in presence of PPEF and its How does the composition of soil affect the growth of runner Plants from the original plant? Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. The bacterial component shows more variation, including representation from Acetobacter and Gluconacetobacterto turn ethanol into acetic acid (giving the sour, vinegar flavor)as well as Lactobacilluslactic acid-producing bacteriain some instances. They investigate the hypothesis that. 3.2 The More Data, The Better. Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. While it is an interesting idea, like the example above there are many factors to control in this investigation, which is an interesting modification of a standard lab looking at exercise. The biological explanation of why blood pressure might change when reading may be tenuous. 10, Can we slow down the decaying times of vegetables? IB Biology curriculum expects you to appreciate scientific problems in a global context with stimulating opportunities, and IB Biology IAs help you accomplish just that. The focus is on the parts of the cell and the interaction of the cytoplasm and the membrane as the topic ideas below show: The Pros And Cons Of The Cytoskeleton System Through The Lens Of Cell Motility. Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. On 10/25/2014 at 9:58 AM, AndovarEdoras said: On 10/25/2014 at 9:02 AM, mariiia said: you can do something with the rate at which cells/bacteria/etc multiply, which I think is population growth so it would involve natural logarithms and exponential curves at least. Go through several IA ideas to understand what all topics are in sync with the IB Biology curriculum and if something grabs your attention, hold on to it! promotional emails that we send to you. IB SL & HL Biology Internal Assessment Topics - WritingMetier The evolution of parasites. Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. Test how different household cleaning products affect seed germination! Toothpaste is labelled according to how natural or how chemical the contents are. Access them all! Report. How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? Controlling factors which can affect blood pressure could be an investigation in itself! However it could be really interesting to compare simple behaviour in animals. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. Luckily, theres so many great topics to choose from, and we've asked some of our top team to note down some topics that might inspire your own incredible research! Biology IA Ideas with Independent Variables 1. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. As the cell membrane disintegrates, alcohol can then enter the cell and . Registration confirmation will be emailed to you. Exploring how the height of plants is affected by Nitrogen or Fluoride based fertilizers used. 30+ New IB Biology IA Ideas. We use cookies to ensure that we give you the best experience on our website. How to Grow Bacteria: 5 Experiments to Grow & Test Bacteria To get started, you'll need to make your agar and fill some petri dishes. There are also many factors to consider in the type of reaction speed test that is used and there are also problems associated with the learning of the skill during the experiment. biology IA --- bacteria ? - Biology and ESS - IB Survival This investigation is going to require a very precise research question and some careful methodology to ensure that the data collected can be used to answer the RQ. Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. IB Biology IA Ideas wont strike out of the blue, but heres a list of 30+ IB Biology IA ideas to inspire and stimulate your grey cells! Right from neurobiology to the fascinating subjects of the immune system, MyAssignmnethelp.com covers a wide range of biology research topics. Population growth curves. I did one on predator-prey relationships and in the end I modelled two sine graphs. To people who got a 7 in their HL Biology IA, what topic did - Reddit Extract your own DNA. This is an investigation to test a hypothesis that reaction time wll slow down with age. Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. While these organisms inhibit the growth of many pathogenic bacteria and are also inten- tionally employed to ferment milk to make other dairy products such as yogurt and cheese, they can also induce Take inspiration from these and research further to land on that one idea that gets you going! IB Acronym Glossary - Please help IB Community :) Read more about it here, Independent Variables: Concentration of Sucrose. Studying the effect of enzymes on Cheese production. with peppered moth types. This page is a simple list of general biological ideas for investigations. 17. Human benchmark lab - Quite a nice small set of tests, including reaction times, Mean arterial pressure calculator online - a useful little calculator, Sciencelab Chemical data sheets MSDS (Materials Safety data sheets) - useful for risk assessments, document.write(new Date().getFullYear()) InThinking The use of a transect of transects will be useful for the sampling. About us You certainly dont want to miss out on these! You have to show that the data has been carefully selected, and that measures have been taken to ensure that other factors which might affect the data have been controlled, by careful selection of the data used. Is it possible to increase brainpower? How do different concentrations of lactases affect the breakdown of disaccharides like lactose in milk effectively? Experimental setup:Use a potometer to measure the rate of transpiration. The practical methods to germinate seeds and select appropriate salt concentrations will present definite challenges but this is an interesting study for students living near the coast, or in places where salt is applied to the roads in winter. Halophytes grow in Salty conditions whereas normal plants dont. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. If a person exercises regularly they should have a better level of fitness, this might mean that their heart rate increases by less in the short burst of exercise than someone who does no regular exercise. IA is one that has been undertaken with complete zeal and enthusiasm. Well, you can try to model bacteria growth, cell division. An important thing to note here is that although you are allowed to take inspiration from existing research, papers/journals, you are expected to give a novel perspective to the idea while producing it in your investigation. So there we have it! Avoid this type of investigation, . What are you waiting for? We know that our topic has to be somewhat related to the syllabus, but where should we focus?

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