The practice of making sourdough is as ancient as bread itself. 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. On this note, we wish you all the very best for your IB Biology IA Journey :). newsletters and promotional offers. The video breaks down the c. Test how different household cleaning products affect seed germination! The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. 2, Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? Independent Variable: Halophyte seed vs Normal Plant seed. Experimental setup:Place a corn seed in a dark cupboard with a single light source. The internal assessment requirements are the same for biology, chemistry and physics. For strict autotrophic organisms - Only inorganic compounds. NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. Read more about it here, Independent Variables: Concentration of Sucrose. IB Biology IA: Enzymes - IB Biology IA: Enzymes - Stuvia US to inspire and stimulate your grey cells! Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. The will (hopefully) impact the success of germination. How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. 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. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Sometimes sites go ofline or change their address. Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. Studying how different carbohydrates in edibles impact the blood sugar levels in humans. The development of biotechnology. Challenges: Being consistent in assessing the fruit ripeness. Heres a link to a scientific article that did something very similar, copy their method. This creates fermented products. How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? tillu22. Clearly state your interest. Kimchi Chemistry | Science Project 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. 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. 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! using potassium permanganate and heating, from a protocol from Science & plants for schools. 12 Investigation ideas with a biological twist. should include all the normal conventions of d.p. Can temperature, humidity, or exposure to sunlight affect how quickly vegetables decay? A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. This is an interesting topic of investigation which relates to osmosis and ecology. HL Biology IA Help! biology IA --- bacteria ? - Biology and ESS - IB Survival Investigate how different species of plants respond differently to environmental stimuli. In line with the IB Learner Profile, "Act with integrity and honesty". Want some A-quality guidance? at which many forms of bacteria thrive [9]. 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. Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. By Background, IB expects you to briefly explain what encouraged you to choose a particular topic and hopefully a personal story that validates your choice and engagement. Keep the research question brief and relevant. It belongs to the family of Enterobacteriaceae where most of them are harmless. We have a team of awesome tutors ready to help you ace the IB. At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. This is a list of possible sites for students to use as online labs. 9, Do our reaction times slow down with age? Use the epidemiological data to measure rates of change. Maths IA, how to combine biology with maths? - IB Survival 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. Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. Toothpaste is supposed to block bacterial growth. Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. The biological explanation of why blood pressure might change when reading may be tenuous. The first step consists of spitting on the glass and adding a pinch of salt to it. The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. HL Biology IA Help! - The Student Room Download our Guide: How to Write a Perfect Biology IA (Click Here), If youre interested in getting additional support for your Biology IA, we have a team of expert IB Biology tutors that can help you plan, structure and execute your assignment. LinkedIn, IBDP Maths: Applications & Interpretation, Changes in the Biology Guide for 2025 exams, Video introduction to Learning activities, Distance learning using InThinking Biology, Setting written tasks using pdf worksheets, Teacher activity - Mastering student access, The origin of cells and cell division 1.5 + 1.6, Molecular biology: Activities for Learning, Molecules to metabolism - planning sheet 2.1, Carbohydrates and Lipids - planning sheet 2.3, Structure of DNA and RNA - planning sheet 2.6, Hairy Hands - genetics of mid-digital hair, Genetic modification - planning sheet 3.5, Species & communities - Planning sheet 4.1, Classification of biodiversity - planning 5.3, Reclassification of figworts using cladistics, Emergency room activity - enzyme inhibition, Electron transport chain - revision games, HL Plant Biology - Activities for Learning, Reproduction in plants - planning sheet 9.4, HL Animal Physiology Activities for Learning, Antibody & vaccination - planning sheet 11.1, Sexual Reproduction - 11.4 planning sheet, Option A - Neurobiology - Activities for learning, Neuropharmacology HL - planning sheet A.5, Option B - Biotechnology and bioinformatics, Organisms in industry Topic - Planning sheet B1, Batch fermentation and continuous culture, Biotechnology in agriculture - planning sheet B2, Cryptic messages - bioinformatics introduction, Environmental protection - planning sheet B3, Option C - Ecology Activities for learning, Species & communities - planning sheet C1, Communities & Ecosystems - planning sheet C2, Conservation of biodiversity - planning sheet C4, Option D - Human physiology Activities for learning, Respiratory gases - planning sheet HL D.6, Individual investigation - skills introduction, IA avoiding common errors - model answers, IA Experiments that could be done at home, Investigating strawberries with a glucose test meter. Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. Does the behaviour of an animal change as the population increases? Independent Variable:Temperature, Oxygen availability. Experimental setup:Find a xerophyte (eg. Bacteria - Definition, Shapes, Characteristics, Types & Examples Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. Are you looking for some IB Biology Internal Assessment (IA) ideas? Some suggestions of research questions may be; Is there a difference in the composition of photosynthetic pigments in the leaves of a plant found in the sun or the shade? Level of passive aggression in individual sportsmen is found higher. 28, How do different antibiotics interact with the process of seed germination? Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. Antibiotics | Microbes and the human body | Microbiology Society 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? Are you looking for some IB Biology Internal Assessment (IA) ideas? IA Review. Some plants grow well in coastal soils with igh salt concentrations but others don't. Population growth curves. http://www.xrite.com/online-color-test-challenge. How to measure growth of algae with colorimeter - Biology Stack Exchange If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. Reply Still feeling a bit uneasy about the task ahead? 170+ Biology Research Topics for Students - EduBirdie.com The individual. Exploring how the reaction times of humans get affected with age. IB Biology IA example: 21/24 Biology HL IA on Mitotic Index - Clastify 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. Homemade extraction of your own DNA. Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the. You can find more information here, Independent Variable: Different Antibiotics, Different Seeds, Dependent Variable: Success of Germination, Rate of Germination. Browse thousands of Internal Assessment, Extended Essay, and TOK examples. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. 30, Exploring mollusc shapes with regards to an external variable e.g. The problem of this investigation is that it is difficult to measure rehydration or salinity. Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). Posted October 26, 2015. Your data shall be kept until you unsubscribe. What has inspired you to do that topic? 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. Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). Still feeling a bit uneasy about the task ahead? It is important to set the Research Question in the background of the chosen topic. The different pH levels are pH 1, 3, 5, 7, 11, and 14. In accordance How do different kinds of toothpaste compare? For instance, if you choose to investigate how light levels affect the predation of peppered moths, you could set a background of you have gained a fascination for that species ever since it was introduced to you for some explanation in your regular classes and eventually give more scientific basis for your choice. We look forward to joining the Lanterna and being part of your success. Use it to spread the bacteria across the surface of the Petri dish while rotating it. 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. reply. What is a good topic for Biology IA (Individual Investigation - Quora 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). Free Biology Topics for Writing - Essay Samples and Research Paper Examples 15, Analysing the impact of river pollution on marine life. 6, How does sudden change in body position affect heart rate and baroreceptor feedback? (Write your IA title!) Processes such as diffusion and osmosis as well as the effect of chemicals on components of cell membranes, or on enzymes could be included in the theory. Biology Labs Online have the potential for making biology education more interactive, effective, and fun!Biology Labs Online is a collaboration between the California State University system and Pearson, Inc.You can access these here https://sciencecourseware.org/BiologyLabsOnline/ (Thanks to Sarah Kelley for the link), Lab bench fly breeding lab Breeding Drosophila, fruit flies. Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. Remember! Reply 7. It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. You. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. 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. This is nice project if there is a specific environmental gradient in the site being investigated. How does extract of the seeds and the leaves of the moringa plant (herbal medicine) show antifungal activity against the Malassezia yeast (Pittosporum) fungi that causes dandruff? These proportions make enough nutrient agar to prepare two petri dishes. There may be a combination of roles for plant roots and bacteria in the substrate and both of these link to the nitrogen cycle and so would allow for a detailed hypothesis and a focused research question. Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! Which pigments are made first in a growing leaf, or are all the pigments made at the same time? Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. This could be compared to listening to music where research has been done to establish that pulse rate can be affected by music. compare? 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. The following examples are not unethical, but just not very good, because the data is rarely enough for a good analysis and difficult to control. The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. Check out some Physics IA ideas here!11, What is the effect of the salt concentration on germination of different types of seeds? Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. Biology Science Fair Project Ideas - ThoughtCo 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. Pour the bacteria onto the solidified agar plate. We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. Heres a useful link for ventilation rates. IA is one that has been undertaken with complete zeal and enthusiasm. To make things as simple as possible for you, we've put together a list of biology research project ideas. Observe how changing the colour of the light source impacts the success of phototropism! A well. 24. investigation should cover a topic that is commensurate with the level of the course of study. 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. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. 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. 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. Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. Along with a bundle of, with helpful examples! Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? This investigation tries to establish a pattern between the weather and the spread of a disease. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. There are some online simulations but these can only be used in conjunction with some other analysis; never just present the online lab as an investigation on it's own. The use of a transect of transects will be useful for the sampling. Biology IA (NOTES) - ibmynotes 1: Cell Biology 1.1: Introduction to Cells 1.2: Ultrastructure of Cells 1.3: Membrane Structure 1.4: Membrane Transport 1.5: The Origin of Cells 1.6: Cell Division 2: Molecular Biology 2.1: Molecules to Metabolism 2.2: Water 2.3: Carbohydrates and Lipids 2.4: Proteins 2.5: Enzymes 2.6: DNA and RNA 2.7: DNA Replication, Transcription and Translation To measure the rate, you can either measure how quickly different species grow, or one of the other factors described below. Vegetables decay over time but how can we slow down the process? Soil respiration can be measured using a CO2 probe and a data logger the same equipment could be used to measure the rate of photosynthesis, although growth (or photosynthesis) can be measured in other ways too. The task will have the same assessment criteria for SL and HL. Below you will find science fair project ideas primarily related to biology. The stages of embryonic development. 6 years ago. This page is a simple list of general biological ideas for investigations. 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. with current laws and regulations, you can unsubscribe at any time by clicking on the link in IB HL Biology IA Proposal - The effect of lactase on various percentages of milk The digestive - Studocu the effect of lactase on various percentages of milk the digestive enzyme lactase breaks down sugar in milk called lactose, in order to produce glucose. Lower concentrations will slow respiration because of a lack of substrate. Student work is internally assessed by the teacher and externally moderated by the IB. The biological functions of water. the Without further adieu, lets dive headfirst into, (Metabolism, Cell Respiration, Photosynthesis), Want some A-quality guidance? In general, keep in mind that for your Chemistry IA we want to measuring how changing one variable has an [], Choosing where to start with an IA can be the hardest part, and this is definitely true for the Physics IA. 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. 150 Actual Biology Research Paper Topics - PapersOwl.com Click here to reset it. 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'. watch this thread. The climate is different at different altitudes and the growing season begins later at high altitude. Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. Therefore, 5 trials with 5 samples each make up 25 samples in total. 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. Whether you are looking for immediate help for IB Biology internal assessments ideas, online tutoring for any IB subject including biology or best study material for any IB group 1 to IB . The distinctive features of human physiology. In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. Report. You certainly dont want to miss out on these! Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. Don't do it! Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. 3. 30+ New IB Biology IA Ideas. are the criteria against which the investigation is assessed.