The challenge will be in deciding which concentrations to test and in explaining the results. Lactobacilli reproduction and growth is the cause of milk spoilage. Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. They found that they could propagate their leavening by saving a bit of unused dough to sow the . The individual investigation should cover a topic that is commensurate with the level of the course of study. How do different concentrations of lactases affect the breakdown of disaccharides like lactose in milk effectively? 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. Ensuring that there is enough data will also be important as there are likely to be quite a few other factors which will need controlling or considering at least. Change the different conditions in which the plants are found as well as the species. Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. Get up to 300 bonus credits with our tutoring packages! 19, What is the difference in the CO2 levels exhaled before and after enduring physical exercise? Natural selection - lab bench Which type of water fleas escape predators best? Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. 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 :) The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. A well. Interactions of Bacteria and Fungi on Decomposing Litter Biology . 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! This is a nice idea for an investigation into the number of species found in a garden in houses where there are pets and no pets. How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. Maybe you can suggest that to your teacher? Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. Independent Variables: Different toothpaste manufacturers (Colgate vs Sensodyne vs Crest vs Aquafresh), Dependent Variable: Success of bacterial growth (seen by growth on an agar plate), Milk goes off because of lactobacilli reproduction and growth. All rights reserved. | . IB Biology IA, Hydrolysis of starch using enzyme amylase 1st Method (SL) using white tile and stop watch How changing Temp/Salt conc How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? Click here for top-notch IB resources or here to assess how your prep is going! Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! promotional emails that we send to you. Selecting an IBxq Biology IA idea has never been easier! Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! Antibiotics. 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. The intra-abdominal Campylobacter infection model facilitates the characterization of peripheral blood leukocyte . What is the most effective way of fighting an endemic? 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! Perform the relevant analysis, keeping in mind the research question, and conclude. location on shore. 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. Teens can work to find out why certain plants present certain colors. at which many forms of bacteria thrive [9]. Hurry, this offer ends on January 17th! Before we match you with one of our trusted tutors, we want to know a little bit about you so we can ensure the best possible support. Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. 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. Test the stomatal density of different leaves exposed to variable conditions using a microscope. opening the floodgates to that sweet 45! 10, Can we slow down the decaying times of vegetables? This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. The individual. 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. Dependent Variable: Degree of growth of plant towards a light source. There are biology topics that can be connected to culture, music, language, and the like. 17, What is the effect of pests on the diversity of plants in a lawn? 30 Biology IA topic ideas to get your lab report started! These ideas are meant to give you a little head start along this path; your final IB Biology Investigation idea is your interpretation of one. It is a complex branch of biology that studies the smallest units and the living organisms. Nice to see you here. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. cactus) and a halophyte (eg. Introduction This looks like an interesting topic of study. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. 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. Before you can grow bacteria, you'll need to prepare sterile culture dishes. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. Antibiotics are used to treat plants for bacteria. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. tillu22. If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! It is all the same when choosing that one Biology IA idea from a platter full of inspiration. What are you waiting for? Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Profile. . Place all 5 of the red apples into the test tubes (1 piece for each test tube). When it comes to selecting from several IB Biology IA ideas for your investigation, it is essential to note that your IA would either require you to: Either way, you have to connect to your topic and portray personal engagement as it lays the foundation for the rest of your investigation. Click here (amylase) or Click here ( pancreatin amylase) from Carolina. Keep the research question brief and relevant. The task will have the same assessment criteria for SL and HL. Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the. IB Biology IA Ideas wont strike out of the blue, but heres a list of. 16, Determine the effect of glucose concentration on the rate of osmosis. Alcohol kills bacteria by first making the lipids, which contribute to the outer protective cell membrane, more soluble in water so that the cell membrane begins to lose its structural integrity. Are you looking for some IB Biology Internal Assessment (IA) ideas? Passion is fundamental in research, after all. An IB Internal Assessment is an individual assignment assessed by a subject teacher following a given set of criteria to guide, construct, and evaluate the finished assignment. Challenges: Providing biological context for why youre measuring certain factors. With all the necessary information at your disposal, it is time to present before you some amazing IB Biology IA ideas to encourage you to put your thinking caps on and take on the challenge with newfound zeal! Coli bacteria using a micro pipette. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Want some A-quality guidance? While having multiple trials is necessary for the investigation, each trial should also have multiple samples. Take inspiration from these and research further to land on that one idea that gets you going! Legal (1 More IB Past Papers). Compost is made from dead plants and manure is the waste from animals. Photo. After use of the cell phone, bacterial contamination of the physicians" hands was found in 38 out of 40 cases.In this experiment of prokaryotes students take samples from their mobiles phones and grow prokaryote colonies on agar plates. Registration confirmation will be emailed to you. Right from neurobiology to the fascinating subjects of the immune system, MyAssignmnethelp.com covers a wide range of biology research topics. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. Independent, Dependent variables need to be highlighted, as should the hypothesis. The easiest way to solve it is to simply ask your teacher whether it will be possible, if you have good arguments they may let you do it Reply Posted June 10, 2015 Our bio teacher informed us we can do IAs involving bacteria as long as we use the incubator in the school, under his supervision. it might even be possible to use mesocosms to perform this investigation as these would make it easier to control more of the other variables. There are some quite nice online tests of colour vision, and also many telephone apps. Investigation of the functioning of the eyes when using paper or different electronic screens. Subscribe and get the latest IB guides, notes,news, tips and product updates. Get your own tutor today! 30, Exploring mollusc shapes with regards to an external variable e.g. Biology IA Ideas with Independent Variables 1. Some diseases spread through direct contact, others are transmitted by an insect vector. the 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. I got a 7 for Biology HL and my IA was awarded a 22/24. But how do we get started on a lab report and, crucially, what should we write about? Population growth curves. investigation should cover a topic that is commensurate with the level of the course of study. Studying how sudden workout affects the heart rate and baroreceptor feedback. Facebook The stages of embryonic development. How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. Different plants that live in different conditions will have different requirements for gas exchange. Report. 3.2 The More Data, The Better. One nice idea might be to see if the growth in the lungs' vital capacity correlates better with the circumference of the skull or the length of the legs in children of different ages. It is very easy to extract DNA at home just using everyday kitchen supplies. 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. Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. with current laws and regulations, you can unsubscribe at any time by clicking on the link in Toothpaste is labelled according to how natural or how chemical the contents are. reply. When it comes to selecting from several IB Biology IA ideas for your investigation, it is essential to note that your IA would either require you to: Carry out an experimental investigation in the laboratory or Draw interpretation from a credible database or Make a detailed analysis using a simulation/modeling. Take 10 micro liters of the cultured. IB Biology IA Ideas Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. The internal assessment requirements are the same for biology, chemistry and physics. As the cell membrane disintegrates, alcohol can then enter the cell and . A 125ml bottle of nutrient agar contains enough to fill about 10 petri dishes. 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! Designed by Harvard tutors to allow you exceed beyond expectations. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. Access them all! Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. If you are a student and wish to access these resources, ask your school to subscribe. They are produced in nature by soil bacteria and fungi. The greatest challenge in this investigation is getting a large enough data set which takes into consideration enough of the factors which need to be controlled. Alcohol is a common active ingredient in many of the commercial mouth washes. The different pH levels are pH 1, 3, 5, 7, 11, and 14. Reply Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? Are you looking for some IB Biology Internal Assessment (IA) ideas? Exploring how the reaction times of humans get affected with age. Test how different household cleaning products affect seed germination! Here is a list of top 22 Biology Internal Assessment (IA) ideas: IB ++tutors is a Canadian company that is committed to providing global, high-quality IB private tutoring services by IB expert tutors. Halophytes grow in Salty conditions whereas normal plants dont. The internal assessment requirements are the same for biology, chemistry and physics. One idea would be to make a series of soils using active compost and sand. This creates fermented products. 20, Testing the effectiveness of different types of toothpaste in inhibiting the growth of different types of bacteria.https://qa.lanterna.com/wp-content/uploads/2019/04/Biology-Revision-Guide-213x300.png, 21, The effect of temperature / light on fruit ripening, 22, Exploring stomatal density in a variety of conditions, 23, Testing the effectiveness of toothpaste types, 24, Investigating the effect of smoke water on the germination and growth of E.pilularis, 25, Exploring the effect of sunlight on biomass, 26, Exploring effect of light levels on the predation of the peppered moth, 27, Investigating the effect of different light intensities on water weeds. These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. Let's help inspire M22 students since it's already IA season! This begs the question, is there an ideal concentration of sucrose for yeast growth? 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). Therefore, 5 trials with 5 samples each make up 25 samples in total. Controlling other factors which affect germination and collecting a large enough data set will also be good challenges for a Biology student to work out. This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. Of course there will be other factors to consider, for example local feature of the habitat where the plants are growing and the aspect of the flowers' location, not to mention grazing and grass cutting. The biological functions of water. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Some of the challenges of this type of investigation will be controlling other factors which affect the growth of plants. Reference to Course: Molecular Biology(Enzymes). Check out some Physics IA ideas here!11, What is the effect of the salt concentration on germination of different types of seeds? This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. You can visit www.ibbiologytutors.com to register for a FREE demo session.. The role of a warm up in sport is clear. This study could be an investigation of how effectively the toothpaste inhibits the growth of bacteria according to the scale of the chemicals in the toothbrush. Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. So there we have it! Can temperature, humidity, or exposure to sunlight affect how quickly vegetables decay? )/ Studying, Dependent variable:Ventilation rate. To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. This is a bit more complex than a simple pulse rate investigation, but the challenge to control variables is equally great. This is an interesting topic of investigation which relates to osmosis and ecology. 1 Department of Food Chemistry,Faculty of Pharmacy, Mahidol University 2 Department of Microbiology, Faculty of Pharmacy, Mahidol University Abstract Recent trends show that consumers have been searching for functional foods to improve bodily functions and overall health. How do different kinds of toothpaste compare? Student work is internally assessed by the teacher and externally moderated by the IB. It is quite easy to record the number of individual plants / animals of a single species in a river at different distances above and below a possible source of pollution. 12 Investigation ideas with a biological twist. Don't do it! The practice of making sourdough is as ancient as bread itself. Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. 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. Personal engagement, exploration, analysis, evaluation, and communication. Paper 2 contains short-answer and extended-response questions on the core (and Additional Higher Level (AHL) material . Dont worry, weve all been there. Which pigments are made first in a growing leaf, or are all the pigments made at the same time? But how do antibiotics affect the growth or successful germination of plants? You will find 100 topics on various subjects below. The internal assessment requirements are the same for biology, chemistry and physics. Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . Independent Variable:Temperature, Oxygen availability. 2. The problem of this investigation is that it is difficult to measure rehydration or salinity. Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. Starting at deep purple, and ending at far red, write down the A values. Read more about it here, Independent Variables: Concentration of Sucrose. The video breaks down the c. Experimental setup:In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. It is thought that there may be some aggressive behaviour depending on the qualities of the sportsman, trainer's tactics, and sports fan and media pressure. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. You can find more information here, Independent Variable: Different Antibiotics, Different Seeds, Dependent Variable: Success of Germination, Rate of Germination. Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs. Grab ideas, see examples and create own perfect Biology essay and research paper! Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. Many say that as we get older, our reaction times slow down, see if this is true! Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. It is important to set the Research Question in the background of the chosen topic. All rights reserved. Lots of plant ideas in the questions and answers It is also possible to use this method to study glucose levels in ripening fruit, lactase activity in milk producing glucose or maltase activity in germinating seeds. 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. They are the foundation of food chains in almost every ecosystem. Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password.
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