NOTES: Probiotics eat the lactose in milk through fermentation. Let's help inspire M22 students since it's already IA season! Take inspiration from these and research further to land on that one idea that gets you going! There are biology topics that can be connected to culture, music, language, and the like. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. Perhaps another research question will be better, something linked to hormones, or to physical activity. The biological functions of water. So there we have it! Stuck for Ideas planning your Biology IA? Citing documents/web pages and giving references is another important aspect of your IA that needs to be taken care of. It will be useful for students who are lost for an idea, or teachers who are looking for something to inspire a particular student. The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. Copyright 2023 Nail IB. It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. It is possible to establish a theoretical link between mild stress and adrenaline (epinephrine) which will affect features in the body including pupil size but it is not possible to directly measure the level of any hormones in the body. 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? The practice of making sourdough is as ancient as bread itself. tillu22. Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. In addition to that, the IA explores how inhibitor ethanol affects the rate of the reaction. 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. How does a sudden and intensive workout affect the heart rate, and to what extent does warm up have an impact on the maximum heart rate? 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 may even be possible to find a database of measurements of children of different ages. Read more about it here, Independent Variables: Concentration of Sucrose. A well. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. (Use egg as imitation of tooth). Also, be sure that you know all of the rules and regulations for your particular science fair before you begin your project. CareerBuilder TIP. [], or you can call us here at: +44 20 4571 0455. 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. the 16, Determine the effect of glucose concentration on the rate of osmosis. This is a list of possible sites for students to use as online labs. Alcohol is a common active ingredient in many of the commercial mouth washes. Can temperature, humidity, or exposure to sunlight affect how quickly vegetables decay? Test how different household cleaning products affect seed germination! How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? Population growth curves. Subject to the conditions provided for by applicable Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. Natural selection - lab bench Which type of water fleas escape predators best? It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Bananas lend themselves to this because their skin changes colour. Selecting an IBxq Biology IA idea has never been easier! 2, Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? 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. On this note, we wish you all the very best for your IB Biology IA Journey :). Therefore, it's super important that your IB Biology IA gets as high a mark as possible. 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. One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. Student work is internally assessed by the teacher and externally moderated by the IB. This is a great idea, but it could be complex and time consuming depending on the lab. Selecting an IBxq Biology IA idea has never been easier! This investigation relies on the recording of abiotic data and data about the stage of the flowering cycle using the number of flowers / fruit / buds etc in a single species at different altitudes up a mountain. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. Pease comment on broken links and suggest alternative ideas in the comments. Ventilation rate is a measure of how quickly you breathe. Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. We hope our list of Internal Assessment Ideas was useful. 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. This page is a simple list of general biological ideas for investigations. Independent Variable: Halophyte seed vs Normal Plant seed. Do individuals of different types all behave in the same way to a stimulus. compare? Here are a couple of other ideas you could browse and eventually take inspiration from: We hope these little ideas will help you brainstorm and explore further in the vast yet intriguing expanse, which is Biology. 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 HL IA Idea Proposal - Bacteria vs Fertilizer Course Biology HL Institution Queensland Academy Of Science, Mathematics And Technology This is a detailed proposal for a HL Biology IA complete with a full methodology, research question, and basic Introduction. Lots of plant ideas in the questions and answers, https://sciencecourseware.org/BiologyLabsOnline/, Mean arterial pressure calculator online -, Sciencelab Chemical data sheets MSDS (Materials Safety data sheets). 14. 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. You will find 100 topics on various subjects below. cactus) and a halophyte (eg. Dependent Variable: Degree of growth of plant towards a light source. As the cell membrane disintegrates, alcohol can then enter the cell and . In some other cases E. coli can also cause urinary tract infections. This FREE guide reveals the most powerful information for boosting your extended essay score and 1678+ Video tutorials, 1226+ PDF IB Resources, 195+ Sample IAs, 148+ EEs, 8777+ Sample questions, 653+ quizzes, IB Don't do it! How does increasing the concentration of Oxytetracycline in mg/L affect root elongation in cm of Citrus limon? Where do you even begin such a task? 17, What is the effect of pests on the diversity of plants in a lawn? We look forward to joining the Lanterna and being part of your success. To find out more, see our. You. The Aim answers Why while the Research Question answers the What. Experimental setup:Follow this link to for more information of modelling! 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of . Exploring root hair cells and finding their visibility with age. Topics about Biology, we've collected for you from our best Biology papers samples! IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. (1 More IB Past Papers). Experimental setup:Use a potometer to measure the rate of transpiration. One idea would be to make a series of soils using active compost and sand. Experimental setup:Find a xerophyte (eg. Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? The procedure used should be well structured. : Limitations and Improvements should be specified. Remember! Learn everything you need to get a 7 in your IB subjects with our online courses. There are some ethical questions involved too, and parental consent will be essential for any experiments on children. This is nice project if there is a specific environmental gradient in the site being investigated. But how do we get started on a lab report and, crucially, what should we write about? Investigating how tuberculosis's Incidence is related to a countrys Human Development Index(HDI) level. Investigating muscle activity involved when standing on ones toes(Ballet dancers). However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. watch this thread. If the algae is green, then the maxima should be over in . In line with the IB Learner Profile, "Act with integrity and honesty". Experimental setup:Gather participants for the study and compare how quickly they can catch a ruler (measured in cm). Koreans eat kimchi year round, enjoying its spicy taste and the fact that it contains loads of vitamins B and C. In this cooking and food science fair project, you will make kimchi from scratch and investigate changes in pH and glucose as the kimchi ferments. A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. Grab ideas, see examples and create own perfect Biology essay and research paper! Independent Variable: Temperature/Psychological Stress (scary movies? Before you can grow bacteria, you'll need to prepare sterile culture dishes. 3, Describe how the primary productivity of algae changes with temperature, algae concentration, other aquatic plants, salinity, nutrients, and any other variables you may want to consider. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. 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. The bacteria-infected mice were given PPEF, BPVF, levofloxacin, and ciprofloxacin at different doses (10 and 20 mg/kg bw) by dissolving in sterile water as a vehicle at a volume of 0.1 mL using a . reply. Math solutions -. Clearly state your interest. IA Advice & Ideas; Help! Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. IBDP Biology InThinkingSubject Sites for teachers & their classes 1. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. We have a team of awesome tutors ready to help you ace the IB. For 5,000 years or more, humans have mixed flour and water, waited for the mixture to ferment, and when it was good and sour and full of gas, used it as leavening to make dough rise. To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. If you continue to use this site we will assume that you are happy with it. How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to spoilage? Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . Read more about it here. Which pigments are made first in a growing leaf, or are all the pigments made at the same time? promotional emails that we send to you. 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. Profile. The different pH levels are pH 1, 3, 5, 7, 11, and 14. Subscribe and get the latest IB guides, notes,news, tips and product updates. Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. 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! HL Psychology or HL History? newsletters and promotional offers. How do you even choose a topic? Still feeling a bit uneasy about the task ahead? There should be a distinct maxima in the curve, that is the most sensitive wavelength, and is the one you should use for all your experiments. All rights reserved. Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? Your Ultimate Guide for Acing IB Psychology Paper 2, The Perfect Guide to Earn a 7 in your IB Psychology IA, The A to Z Guide for Structuring your TOK Essay for Optimal Success, 7 Different Ways to Make the Most of your IB DP Y1 Winter/Summer Break, How to Stay Sane: A Promising Guide to Stress Management in the IB DP.