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The individual investigation should cover a topic that is commensurate with the level of the course of study. Registration confirmation will be emailed to you. Take inspiration from these and research further to land on that one idea that gets you going! This is a bit more complex than a simple pulse rate investigation, but the challenge to control variables is equally great. 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. tillu22. 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. NOTES: Probiotics eat the lactose in milk through fermentation. investigation should cover a topic that is commensurate with the level of the course of study. 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. Proper research on your part is a bare minimum, and the rest follows. In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Heres a useful link for ventilation rates. Internal assessments make up for 20% of the grade and are all about scientific writing and research. How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? One idea would be to make a series of soils using active compost and sand. Student work is internally assessed by the teacher and externally moderated by the IB. Click here to reset it. The video breaks down the c. Well, you can try to model bacteria growth, cell division. The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. Majority of them are restricted to the intestine Some preparation time will be required to germinate and plant the seeds. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. How do you even choose a topic? IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. (1 More IB Past Papers). The different pH levels are pH 1, 3, 5, 7, 11, and 14. In line with the IB Learner Profile, "Act with integrity and honesty". 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. 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. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. Alternatively, sign up to our sites at www.studyib.net 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! Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the. Measuring theses factors might be tricky and will involve some testing, although using a phone camera or a video camera could help. 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. Sterilize the spreader by holding it over the spirit lamp and then cooling it in the laminar airflow. 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. Want some A-quality guidance? Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! )/ Studying, Dependent variable:Ventilation rate. Coli bacteria using a micro pipette. Experimental setup:Follow this link to for more information of modelling! They are produced in nature by soil bacteria and fungi. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. This looks like an interesting topic of study. Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. 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. Investigation of the functioning of the eyes when using paper or different electronic screens. This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. Does it matter what type of light the plant is exposed to affect the growth of auxin? 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. They cause our teeth to rot, shaping plaque and causing awful breath. If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! 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. This is a simple experiment to carry out, but a difficult experiment to get good controlled data for. Legal There are some quite nice online tests of colour vision, and also many telephone apps. Decomposing bacteria and fungi are organisms that help the process of decomposition. 3. The challenge will be in deciding which concentrations to test and in explaining the results. A Selection of Topics for a Biology Essay. 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. It is important to set the Research Question in the background of the chosen topic. It is a complex branch of biology that studies the smallest units and the living organisms. You certainly dont want to miss out on these! IA is one that has been undertaken with complete zeal and enthusiasm. Get your own tutor today! Heres a link to a scientific article that did something very similar, copy their method. Pease comment on broken links and suggest alternative ideas in the comments. IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). These proportions make enough nutrient agar to prepare two petri dishes. Ventilation rate is a measure of how quickly you breathe. Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. Let's help inspire M22 students since it's already IA season! This FREE guide reveals the most powerful information for boosting your extended essay score and Read more about it here. , its objectives, partwise breakdown, and what IB expects of you. These Biology IA Ideas Will Help You Get A High Grade In Your Biology IA. NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. About us Read more about quadrat sampling here, Independent Variable: Soil pH, Nitrates in Soil, Oxygen concentration, Dependent Variable: Presence or absence of certain species. Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? The development of biotechnology. Dependent Variable: Degree of growth of plant towards a light source. 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. Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. If the algae is green, then the maxima should be over in . The Aim answers Why while the Research Question answers the What. The data must be analysed by the student and tables / graphs etc. Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the IB Biology Diploma Programme Subject, its objectives, partwise breakdown, and what IB expects of you. Place the bottle in hot water at 170-190 F until all of the agar is liquid. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. 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. 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! 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? How does the percentage of salinity in water affect the rate of growth of radishes in mass? . 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. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. Originally Answered: what are some examples of good biology IA's? IA Advice & Ideas; Help! 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! Unit 8, Suite V4Oakville, Ontario,CanadaL6H 1M3. 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. How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to spoilage? Subject to the conditions provided for by applicable By submitting this form, I agree to the data entered being used by Nail IBNSW for sending It is imperative to acknowledge the safety protocols as established by IB and consider the ethical aspects of your investigation. Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. location on shore. But how do antibiotics affect the growth or successful germination of plants? Comparing the Carbon Dioxide levels in the air exhaled after and before workout sessions. HL Biology IA Help! 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. Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. Nice to see you here. 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. Keep the research question brief and relevant. Test the stomatal density of different leaves exposed to variable conditions using a microscope. Challenge: Gathering enough data, Pollution affecting species growth. So there we have it! Is it possible to increase brainpower? Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. We use cookies to ensure that we give you the best experience on our website. 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. Use the epidemiological data to measure rates of change. Toothpaste is labelled according to how natural or how chemical the contents are. Neither should the idea be too generic and nor too simplistic. IA Overview. Lower concentrations will slow respiration because of a lack of substrate. and uncertainties. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. The stages of embryonic development. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. Experimental setup:In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. 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. In order to do well in any science IA, you need to fulfil the criteria i.e. Read more about it here, Independent Variables: Concentration of Sucrose. Still feeling a bit uneasy about the task ahead? 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. HL Biology IA Help! Some plants grow well in coastal soils with igh salt concentrations but others don't. 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. 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. Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. What effect do conditions, such as temperature, sunlight have on the rate of spoilage. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. IB Elite Academy online tutors provides hundreds of IB Biology IA ideas at both IB Biology higher level, IB Biology standard level. I'll do so in a series of questions that will help you probe deeper into your IA. Bananas lend themselves to this because their skin changes colour. Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. Stir these together well: -teaspoon agar (1 1/5 grams) Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. 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 They are the foundation of food chains in almost every ecosystem. My IA was on bacteria by the way if you have any questions. Enter your email and tell us where to send them! Independent, Dependent variables need to be highlighted, as should the hypothesis. 1. Population growth curves. How do different kinds of toothpaste compare? Still feeling a bit uneasy about the task ahead? Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. Stomata are the areas of gas exchange in leaves. This could be compared to listening to music where research has been done to establish that pulse rate can be affected by music. It could be used in a wide range of labs. It is important that you do the work yourself and not just copy the material. 1. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. Browse thousands of Internal Assessment, Extended Essay, and TOK examples. Understanding how a particular abiotic factor affects the biodiversity in a habitat. 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. Download our 2022 Biology IA Guide (Checklist) to help write the perfect Internal Assessment. 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 How does different conditioners affect the strength of hair? Different plants will change their transpiration rates in response to the environment. These are all genera and the specific species present definitely vary between cultures. In this post, we outline the different necessary components. Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. To get started, you'll need to make your agar and fill some petri dishes. Narrow down the subject. Copyright 2023 Nail IB. IB Biology IA, Hydrolysis of starch using enzyme amylase 1st Method (SL) using white tile and stop watch How changing Temp/Salt conc The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. There needs to be some clear links to the biology of blood pressure and how exercise affects it. How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? Top 80 Most Common IB Biology Exam Questions. 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. For strict autotrophic organisms - Only inorganic compounds. . In this investigation a change in a physiological feature is explored. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. Be unique and think about how it's interesting to YOU! Biology IA Ideas with Independent Variables 1. This investigation might sound simple at a first glance but there are many difficulties to overcome in terms of controlled variables and the method of measuring the CO2. 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 . The internal assessment requirements are the same for biology, chemistry and physics. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. Personal engagement, exploration, analysis, evaluation, and communication. 28, How do different antibiotics interact with the process of seed germination? IB Biology IA Ideas wont strike out of the blue, but heres a list of. Facebook 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). The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. 0. Keep the research question brief and relevant. If there are any ethical implications to your report, how do you plan on minimizing the environmental impact of your experiment?. The sure shot way to ace ones IB Biology IA or any IA for that matter is by picking a topic that sparks ones interest. Before you can grow bacteria, you'll need to prepare sterile culture dishes. 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. Homemade extraction of your own DNA. This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. 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! One possible solution is to measure another (or some other) factors about the body and look for a correlation. Get up to 300 bonus credits with our tutoring packages! Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. What's IB IA Program? How do cleaning products affect the growth of house plants? A full experimental setup can be found on this link. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. 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. Introduction Kimchi is a traditional fermented cabbage dish from Korea. Dependent Variable: Rate of 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. The role of a warm up in sport is clear. For example, an idea inspired by how the soil pH affects seed germination could be investigated in a new light; think of other factors controlling/affecting seed germination, and with a focus on quantitative data, you could progress further in your report. 9, Do our reaction times slow down with age? 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? To seek where great ideas come from and change the way teachers/students learn in the 21st century. We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! opening the floodgates to that sweet 45! Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. Without further adieu, lets dive headfirst into 30+ IB Biology IA ideas for your Biology IA Investigation!