Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. The existence of living organisms without cells. There are some ethical questions involved too, and parental consent will be essential for any experiments on children. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. By siging up, I agree to Lanternas Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. Clearly state your interest. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. Natural selection - lab bench Which type of water fleas escape predators best? (Write your IA title!) By submitting this form, I agree to the data entered being used by Nail IBNSW for sending Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Sterilize the spreader by holding it over the spirit lamp and then cooling it in the laminar airflow. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. 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? Heres a quick summary of how you are supposed to choose an appropriate IB Biology IA idea for your report: Now that you know how to settle on that one perfect topic, lets quickly brief ourselves with the proper planning and procedure involved in the making of an IB Biology IA: Concise Research Question: Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. Use the epidemiological data to measure rates of change. http://www.xrite.com/online-color-test-challenge. These proportions make enough nutrient agar to prepare two petri dishes. Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? Some of the challenges of this type of investigation will be controlling other factors which affect the growth of plants. It is important to set the Research Question in the background of the chosen topic. 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. 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! 30, Exploring mollusc shapes with regards to an external variable e.g. tillu22. Therefore, 5 trials with 5 samples each make up 25 samples in total. The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. 5 years ago. IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). 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. Athletes perform better if they warm up properly before an event. Take inspiration from these and research further to land on that one idea that gets you going! Your data shall be kept until you unsubscribe. Internal assessments make up for 20% of the grade and are all about scientific writing and research. The individual investigation should cover a topic that is commensurate with the level of the course of study. Hurry, this offer ends on January 17th! Population growth curves. 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. HL Psychology or HL History? If a person exercises regularly they should have a better level of fitness, this might mean that their heart rate increases by less in the short burst of exercise than someone who does no regular exercise. with current laws and regulations, you can unsubscribe at any time by clicking on the link in Investigate how different species of plants respond differently to environmental stimuli. 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. , its objectives, partwise breakdown, and what IB expects of you. 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. There could be some biology theory applied to the plants leaves, or roots. cactus) and a halophyte (eg. The difficulty begins with identifying the genres in a scientific way. This is a simple experiment to carry out, but a difficult experiment to get good controlled data for. This is an interesting quantitative method to estimate glucose concentration. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. I'll do so in a series of questions that will help you probe deeper into your IA. Personal engagement, exploration, analysis, evaluation, and communication. This page is a simple list of general biological ideas for investigations. How do you even choose a topic? (16 More IB Resources), See Click, See and uncertainties. Within each topic listed below, we include the basic reasons for investigating each topic, what the possible independent variables and dependent variables are as well as the basic experimental setup! Independent Variable: Age, Tiredness, Gender, Eye Colour. Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. 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. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. This is an investigation to test a hypothesis that reaction time wll slow down with age. 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. Exploring how the reaction times of humans get affected with age. 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. 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. Topics about Biology, we've collected for you from our best Biology papers samples! Plants also play a significant role in the environment by influencing climate and producing life-giving oxygen. The data collection using the online lab may be easy enough, but the challenge is going to be designing a meaningful experiment and collecting enough results to complete the analysis well. Also, be sure that you know all of the rules and regulations for your particular science fair before you begin your project. It is imperative to acknowledge the safety protocols as established by IB and consider the ethical aspects of your investigation. 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. Measuring the change in iron levels of avocados as they go through different ripening stages 25. Reply 7. Canada: +1 (647) 249-7179USA (WhatsApp): +1 (678) 679-2365edu@plusplustutors.com, 407 Iroquois Shore Rd. This is an interesting topic of investigation which relates to osmosis and ecology. 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. 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. 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'. 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. The distinctive features of human physiology. Several university Extension services are now offering easy-to-use websites for those . Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. Different plants that live in different conditions will have different requirements for gas exchange. Investigating how tuberculosis's Incidence is related to a countrys Human Development Index(HDI) level. 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. Need inspo for Physics too? The first step consists of spitting on the glass and adding a pinch of salt to it. 14, What is the respective change of allele frequency when initial frequencies are manipulated? 12, What happens after the best-by date of dairy products? Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. I got a 7 for Biology HL and my IA was awarded a 22/24. Preview 1 out of 13 pages This investigation tries to establish a pattern between the weather and the spread of a disease. Take 10 micro liters of the cultured. http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Heres a useful link for ventilation rates. 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 Do individuals of different types all behave in the same way to a stimulus. | The best investigations will have a biological reason why there might be a correlation between the IV and the DV. disinfectant, rum, vodka, etc.). The intra-abdominal Campylobacter infection model facilitates the characterization of peripheral blood leukocyte . Outline the Equipment, time, and resources to keep a check on its feasibility. Keep the research question brief and relevant. 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. 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. 6 years ago. Experimental setup:In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. The evolution of parasites. 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. 30 Biology IA topic ideas to get your lab report started! We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! How does the composition of soil affect the growth of runner Plants from the original plant? How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? 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! Tip 1: The level of interest matters. Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. 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. Report. Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. For this experiment, youll investigate how different variables affect the rate of decay! The internal assessment requirements are the same for biology, chemistry and physics. www.thinkib.net. Antibiotics are used to treat plants for bacteria. Right from neurobiology to the fascinating subjects of the immune system, MyAssignmnethelp.com covers a wide range of biology research topics. The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. Be unique and think about how it's interesting to YOU! Observe how changing the colour of the light source impacts the success of phototropism! We have a team of awesome tutors ready to help you ace the IB. there Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew terms of service. Read more about it here, Independent Variables: Concentration of Sucrose. These five biology research topics are for graduate-level students, catering specifically to those in top programs around the country: What evidence is there of a pandemic that can wipe out half of the world's population? On this note, we wish you all the very best for your IB Biology IA Journey :). 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. Below you will find science fair project ideas primarily related to biology. In this investigation a change in a physiological feature is explored. All rights reserved. Along with a bundle of, with helpful examples! Student work is internally assessed by the teacher and externally moderated by the IB. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. 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. But how do we get started on a lab report and, crucially, what should we write about? Then, add some liquid soap (like the one you use for washing the dishes), juice from a grapefruit, and . Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? 3. compare? Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. Selecting an IBxq Biology IA idea has never been easier! This is a bit more complex than a simple pulse rate investigation, but the challenge to control variables is equally great. 3. . What effect does temperature have on the ripening process of a fruit?. Extract your own DNA. Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. While having multiple trials is necessary for the investigation, each trial should also have multiple samples. [], or you can call us here at: +44 20 4571 0455. How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. They found that they could propagate their leavening by saving a bit of unused dough to sow the . Many say that as we get older, our reaction times slow down, see if this is true! Read more about it here. It could be used in a wide range of labs. My IA was on bacteria by the way if you have any questions. Without further adieu, lets dive headfirst into, (Metabolism, Cell Respiration, Photosynthesis), Want some A-quality guidance? Independent Variable:Temperature, Oxygen availability. Many methods are possible, and there has been some very recent research suggesting that antibiotics can affect the growth of seeds and plants.ref P.W. . This begs the question, is there an ideal concentration of sucrose for yeast growth? 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. 2. The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. Stir these together well: -teaspoon agar (1 1/5 grams) This is a great idea, but it could be complex and time consuming depending on the lab. 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? 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. 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 . How do cleaning products affect the growth of house plants? This is a list of possible sites for students to use as online labs. IB Acronym Glossary - Please help IB Community :) Reference to Course: Molecular Biology(Enzymes). It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. This could be a difficult investigation to do quantitatively unless there was a longer time period available to observe growth. 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. Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. Get up to 300 bonus credits with our tutoring packages! Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. Enter your email and tell us where to send them! Click here for top-notch IB resources or here to assess how your prep is going! newsletters and promotional offers. Is there an optimum intensity of warm up to achieve best performance? Lots of scope but not an easy investigation to complete in the time, in 12 pages. Vegetables decay over time but how can we slow down the process? Use a clean, microwave-safe container to mix the agar with water and then boil it. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. Experimental setup:Use a potometer to measure the rate of transpiration. The IB advise student and teachers, each year, to avoid this sort of lab. 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. Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. 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. then this could be a very good study. tillu22. This is nice project if there is a specific environmental gradient in the site being investigated. I did one on predator-prey relationships and in the end I modelled two sine graphs. On 10/25/2014 at 9:58 AM, AndovarEdoras said: On 10/25/2014 at 9:02 AM, mariiia said: you can do something with the rate at which cells/bacteria/etc multiply, which I think is population growth so it would involve natural logarithms and exponential curves at least. A challenge is to work out the biological reasons behind you hypothesis, and it may be a good idea to branch away from toothpaste to test a specific chemical from the ingredients in the toothpaste. 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. Avoid this type of investigation, . At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. These ideas are for you to start exploring and begin! 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. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. Independent Variable: Temperature/Psychological Stress (scary movies? You can find more information here, Independent Variable: Different Antibiotics, Different Seeds, Dependent Variable: Success of Germination, Rate of Germination. They are produced in nature by soil bacteria and fungi. 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. 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? It is all the same when choosing that one Biology IA idea from a platter full of inspiration. 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? Well, you can try to model bacteria growth, cell division. The internal. with peppered moth types. 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. promotional emails that we send to you. 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. Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. Legal The 80 Most Common IB Biology Exam Questions! 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. SIENE IA UIDE 8 info@lanternaeducation.com 23. 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. 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. 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. 1. . 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. 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. This looks like an interesting topic of study. Experimental setup: For this experiment, combine a fixed mass of yeast with increasing concentrations of a sucrose solution and measure the rate of CO2 production! Proper research on your part is a bare minimum, and the rest follows. In this post, we outline the different necessary components. Antibiotics. Test the stomatal density of different leaves exposed to variable conditions using a microscope.
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