Selecting an IBxq Biology IA idea has never been easier! 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 . 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? Profile. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. The video breaks down the c. Test the stomatal density of different leaves exposed to variable conditions using a microscope. While having multiple trials is necessary for the investigation, each trial should also have multiple samples. Passion is fundamental in research, after all. They investigate the hypothesis that. 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. Level of passive aggression in individual sportsmen is found higher. For strict autotrophic organisms - Only inorganic compounds. CareerBuilder TIP. This could be a difficult investigation to do quantitatively unless there was a longer time period available to observe growth. It is a complex branch of biology that studies the smallest units and the living organisms. 24. Are you struggling with choosing your topic for your IB Biology IA? IA Review. Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. The development of biotechnology. 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. How do different kinds of toothpaste compare? Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Keep the research question brief and relevant. 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? Dont panic weve got you covered. Biology IA Ideas with Independent Variables 1. Comparing boys and girls for example will be impossible, unless the sample size is very large. We use cookies to ensure that we give you the best experience on our website. If there are any ethical implications to your report, how do you plan on minimizing the environmental impact of your experiment?. Dependent Variable: Rate of Seed Germination. How does different sodium chloride concentrations affect seed germination in the bougainvillea plant? In this investigation a change in a physiological feature is explored. . Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. We have a team of awesome tutors ready to help you ace the IB. You. 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 Check out some Physics IA ideas here!11, What is the effect of the salt concentration on germination of different types of seeds? IA Advice & Ideas; Help! These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. To make things as simple as possible for you, we've put together a list of biology research project ideas. Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. At this point, all apparatus should have been properly set-up and the experimentations should be able to commence. Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. The first step consists of spitting on the glass and adding a pinch of salt to it. Perhaps the muscles with a greater blood flow will cause a different effect to those in the bodies extremities, and what effect could warming up have on the process? 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. Read more about it here. IA Biology HL 6 Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. 0. 5 years ago. Lower concentrations will slow respiration because of a lack of substrate. Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. An ideal IA idea is one that reeks of originality and leaves room for proper investigation and analysis in the process. 28, How do different antibiotics interact with the process of seed germination? Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. Compost is made from dead plants and manure is the waste from animals. 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. If you continue to use this site we will assume that you are happy with it. 16. IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. Population growth curves. cactus) and a halophyte (eg. 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. Challenge: Gathering enough data, Pollution affecting species growth. Using a previously characterized and described abdominal model to define the avian immune response to Salmonella intra-abdominal challenge in chickens, we have adapted this technique for the study of chickens' immune response to a Campylobacter intra-abdominal challenge. Click here (amylase) or Click here ( pancreatin amylase) from Carolina. They know exactly how to get a 7 in your IA and exam and can give you tips and tricks on how you can do the same. Get for free what others have paid $100s in tuition Learn everything you need to get a 7 in your IB subjects with our online courses. IB Biology IA, Hydrolysis of starch using enzyme amylase 1st Method (SL) using white tile and stop watch How changing Temp/Salt conc The will (hopefully) impact the success of germination. 10, Can we slow down the decaying times of vegetables? 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. The biological functions of water. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. Want some A-quality guidance? 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. This is an investigation to test a hypothesis that reaction time wll slow down with age. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? The problem of this investigation is that it is difficult to measure rehydration or salinity. The internal assessment requirements are the same for biology, chemistry and physics. Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. This is a simple experiment to carry out, but a difficult experiment to get good controlled data for. Exemplars. Toothpaste is supposed to block bacterial growth. 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. So there we have it! Lost your password? Then, add some liquid soap (like the one you use for washing the dishes), juice from a grapefruit, and . 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. Experimental setup:Find a few friends willing to participate and measure their ventilation rates with a respirometer (the human version) and then subject them to different stimuli. These are just some of the questions which will need answering. This might involve the use of a data logger, or perhaps a titration using bromothymol blue. Independent Variable: Halophyte seed vs Normal Plant seed. This is a list of possible sites for students to use as online labs. Well, you can try to model bacteria growth, cell division. 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! Topics about Biology, we've collected for you from our best Biology papers samples! 6, How does sudden change in body position affect heart rate and baroreceptor feedback? This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. What effect does temperature have on the ripening process of a fruit?. Math solutions -. classes to learn/preach! tillu22. Proper research on your part is a bare minimum, and the rest follows. 12, What happens after the best-by date of dairy products? Studying how sudden workout affects the heart rate and baroreceptor feedback. Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. 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. 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! This begs the question, is there an ideal concentration of sucrose for yeast growth? Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. What has inspired you to do that topic? Registration confirmation will be emailed to you. Some independent variables will be easier to test than others, for example size of text and distance wt which it can be read, would be better than measuring reading speed which can be affected by many other variables. You certainly dont want to miss out on these! and uncertainties. Toothpaste is labelled according to how natural or how chemical the contents are. 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? This is a nice wet laboratory project and there are some simple ways to measure the growth of the bacteria but these can be fiddly to work out, and concentrations of bacteria used in inoculations will need working out. 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! location on shore. location on shore. Measuring the change in iron levels of avocados as they go through different ripening stages 25. Is there an optimum intensity of warm up to achieve best performance? These proportions make enough nutrient agar to prepare two petri dishes. (16 More IB Resources), See 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. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. How does the composition of soil affect the growth of runner Plants from the original plant? 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! Click here to learn more. A 125ml bottle of nutrient agar contains enough to fill about 10 petri dishes. 30 Biology IA topic ideas to get your lab report started! 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. The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. The stages of embryonic development. Nice to see you here. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. 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. Top 80 Most Common IB Biology Exam Questions. The external assessment of biology consists of three written papers. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? IA Overview. . which are specifically designed for self study and revision. Vegetables decay over time but how can we slow down the process? Stuck for Ideas planning your Biology IA? 1. Of course, you can use any of our topics for free. There are obviously many different factors influencing the rate of ventilation, you can investigate which those are! This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. Legal To seek where great ideas come from and change the way teachers/students learn in the 21st century. Majority of them are restricted to the intestine Remember any participants will need to give written consent before any experimenting, and the mild stress of exam conditions must be harmless. Interactions of Bacteria and Fungi on Decomposing Litter Biology . Coli bacteria using a micro pipette. NOTES: Probiotics eat the lactose in milk through fermentation. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. Finding a topic is one of the - if not THE - most important part of writing your IA so we want to make sure that you get it right! IA investigation - teacher's marking activity, Metabolism Respn & Photosynthesis test HL, Metabolism Respn. 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. 15, Analysing the impact of river pollution on marine life. Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? 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. A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. If you are a student and wish to access these resources, ask your school to subscribe. Pease comment on broken links and suggest alternative ideas in the comments. If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. Designed by Harvard tutors to allow you exceed beyond expectations. Exploring how the Water Quality Index (WQI) is affected by water obtained from Chemical Industries/Sewage Treatment Plants. It belongs to the family of Enterobacteriaceae where most of them are harmless. The practice of making sourdough is as ancient as bread itself. The 80 Most Common IB Biology Exam Questions! How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? This investigation could be a nice way to combine two standard procedures, one to estimate the rate of respiration in the soil and another to estimate the rate of growth of a plant. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. tillu22. Use the epidemiological data to measure rates of change. 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. Tip 1: The level of interest matters. Be unique and think about how it's interesting to YOU! Independent Variable: Temperature/Psychological Stress (scary movies? Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. 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. IA Biology HL 6 Investigating the relationship between consumption of fat and carbohydrates per capita per day measured in kcal and share of adult obesity in a country as a percentage of the population IA Biology HL 7 Investigating Effect of Different concentration of pesticides on bacterial growth. Similarly to the experiment on the rate of decay, you can also measure how quickly fruits ripen, and which factors affect this ripening. IBDP Biology InThinkingSubject Sites for teachers & their classes
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