Other possibilities are paper simulations, e.g. Starting at deep purple, and ending at far red, write down the A values. 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. 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. 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. Heres a useful link for ventilation rates. A quart-sized bowl works great. IA Advice & Ideas; Help! 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. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. IA Biology HL 6 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. 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. Experimental setup: In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. Teens can work to find out why certain plants present certain colors. http://www.xrite.com/online-color-test-challenge. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. 3.2 The More Data, The Better. DP Biology: Mobile phone bacteria experiment The procedure used should be well structured. Are you looking for some IB Biology Internal Assessment (IA) ideas? How does the acidity of different beverages affect the deterioration of tooth enamel? Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. The individual. 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. Understanding how a particular abiotic factor affects the biodiversity in a habitat. Facebook 5 DIY Biology Experiments You Can Easily Do at Home - Labiotech.eu IA is one that has been undertaken with complete zeal and enthusiasm. But how do antibiotics affect the growth or successful germination of plants? We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! biology IA --- bacteria ? - Biology and ESS - IB Survival and uncertainties. http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Heres a useful link for ventilation rates. It could be used in a wide range of labs. Sitting in that quiet corner, sipping on hot chocolate hoping it rains IB Biology IA ideas, instead, going blank and utterly confused? The challenge will be in deciding which concentrations to test and in explaining the results. But how do we get started on a lab report and, crucially, what should we write about? Nice to see you here. If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? It is a complex branch of biology that studies the smallest units and the living organisms. (1 More IB Past Papers). 3, Describe how the primary productivity of algae changes with temperature, algae concentration, other aquatic plants, salinity, nutrients, and any other variables you may want to consider. Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. should include all the normal conventions of d.p. It is thought that there may be some aggressive behaviour depending on the qualities of the sportsman, trainer's tactics, and sports fan and media pressure. You can find more information here, Independent Variable: Different Antibiotics, Different Seeds, Dependent Variable: Success of Germination, Rate of Germination. Get up to 300 bonus credits with our tutoring packages! The difficulty begins with identifying the genres in a scientific way. 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. 6 years ago. Reply 7. 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. Experimental setup:Find a xerophyte (eg. HL Biology IA Help! Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. Ib Biology Enzymes Ia Essay Example - PHDessay.com 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. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. They are the foundation of food chains in almost every ecosystem. How does the composition of soil affect the growth of runner Plants from the original plant? Of course there will be other factors to consider, for example local feature of the habitat where the plants are growing and the aspect of the flowers' location, not to mention grazing and grass cutting. Lots of scope but not an easy investigation to complete in the time, in 12 pages. What are you waiting for? Is there an optimum intensity of warm up to achieve best performance? PDF SIENE IA UIDE SCIENCE IA GUIDE - Lanterna Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. Internal assessments make up for 20% of the grade and are all about scientific writing and research. [], We all know that scoring superbly on internal assessments is a great way to boost our IB grades. Let's help inspire M22 students since it's already IA season! Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. IB SL & HL Biology Internal Assessment Topics - WritingMetier Challenges: Providing biological context for why youre measuring certain factors. Do individuals of different types all behave in the same way to a stimulus. there Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew Then use agar plates and bacteria to test their effectiveness by seeing how many bacteria grow in the different plates! 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. 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. In line with the IB Learner Profile, "Act with integrity and honesty". Use a clean, microwave-safe container to mix the agar with water and then boil it. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. However it could be really interesting to compare simple behaviour in animals. 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. Profile. Bacteria - Definition, Shapes, Characteristics, Types & Examples Biology_IA.pdf - IB Biology HL II - Internal Assessment In accordance (DOC) BIOLOGY Practice IA | Riona Claire - Academia.edu What are some potential topics for my MATH IA that related to biology Keep the research question brief and relevant. 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? I got a 7 for Biology HL and my IA was awarded a 22/24. They are produced in nature by soil bacteria and fungi. It belongs to the family of Enterobacteriaceae where most of them are harmless. Observe how changing the colour of the light source impacts the success of phototropism! 15. using potassium permanganate and heating, from a protocol from Science & plants for schools. The development of biotechnology. IA and EE - IB Chemistry Biology IA If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. Independent Variable:Temperature, Oxygen availability. NOTES: Probiotics eat the lactose in milk through fermentation. 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). Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. The release of CO2 by the body in the lungs is not simple either, factors to consider include the relative amounts of aerobic and anaerobic respiration, as well as the position of the muscles being exercised. A 125ml bottle of nutrient agar contains enough to fill about 10 petri dishes. Biology Science Fair Project Ideas - ThoughtCo 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. Contact, Twitter cactus) and a halophyte (eg. Auxin hormone is largely responsible for controlling the direction of plant growth. The practice of making sourdough is as ancient as bread itself. DP Biology: 30 investigation ideas for Biology IA 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! Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). 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! Independent Variable: Temperature/Psychological Stress (scary movies? The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. Population growth curves. Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. 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. 30+ New IB Biology IA Ideas. Click here to learn more. You will find 100 topics on various subjects below. The focus is on the parts of the cell and the interaction of the cytoplasm and the membrane as the topic ideas below show: The Pros And Cons Of The Cytoskeleton System Through The Lens Of Cell Motility. Biology IA Checklist for HL & SL The International Baccalaureate Biology Internal Assessment makes up 20% of the final grade achieved by Biology HL and Biology SL students. This FREE guide reveals the most powerful information for boosting your extended essay score and IB Elite Academy online tutors provides hundreds of IB Biology IA ideas at both IB Biology higher level, IB Biology standard level. What effect do conditions, such as temperature, sunlight have on the rate of spoilage. 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. This is an investigation to test a hypothesis that reaction time wll slow down with age. This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. Measuring theses factors might be tricky and will involve some testing, although using a phone camera or a video camera could help. Dependent Variable: Rate of Seed Germination. What effect does temperature have on the ripening process of a fruit?. Don't do it! It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. Canada: +1 (647) 249-7179USA (WhatsApp): +1 (678) 679-2365edu@plusplustutors.com, 407 Iroquois Shore Rd. For this experiment, youll investigate how different variables affect the rate of decay! This could be a difficult investigation to do quantitatively unless there was a longer time period available to observe growth. 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. 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. www.thinkib.net. 2. Dont worry, weve all been there. Experimental setup:Place a corn seed in a dark cupboard with a single light source. 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. Alternatively, sign up to our sites at www.studyib.net 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. legislation, you have rights in relation to your data. Heres a link to a scientific article that did something very similar, copy their method. 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 performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. 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 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. Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. 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. 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 does increasing the concentration of Oxytetracycline in mg/L affect root elongation in cm of Citrus limon? There could be some biology theory applied to the plants leaves, or roots. 100 Biology Research Topics Ideas For Students There needs to be some clear links to the biology of blood pressure and how exercise affects it. The easiest way to solve it is to simply ask your teacher whether it will be possible, if you have good arguments they may let you do it Reply Posted June 10, 2015 Our bio teacher informed us we can do IAs involving bacteria as long as we use the incubator in the school, under his supervision. If you continue to use this site we will assume that you are happy with it. Studying how different carbohydrates in edibles impact the blood sugar levels in humans. State your hypothesis; it is important in the context of your research. 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. Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. 170+ Biology Research Topics for Students - EduBirdie.com How to measure growth of algae with colorimeter - Biology Stack Exchange In this post, we outline the different necessary components. 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! Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. Subscribe and get the latest IB guides, notes,news, tips and product updates. Challenges: Being consistent in assessing the fruit ripeness. The internal assessment requirements are the same for biology, chemistry and physics. OP. Biology IA | PDF | Escherichia Coli | Bacteria - Scribd How do the factors temperature and light intensity that affect photosynthesis balance out each other when it comes to the time taken for photosynthesis to occur? IB HL Biology IA Proposal - The effect of lactase on various - StuDocu 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). Kimchi Chemistry | Science Project Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. The use of a transect of transects will be useful for the sampling. 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. at which many forms of bacteria thrive [9]. The milk that they are added to can be preserved in certain ways before the bacteria is added and the 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. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Many say that as we get older, our reaction times slow down, see if this is true! IA Design - IB Chemistry Biology IA with peppered moth types. This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. At the end of a long endurance event cramps and muscle fatigue will be evident but this is not possible to recreate in the lab in school. Access them all! Where do you even begin such a task? 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? Are you looking for some IB Biology Internal Assessment (IA) ideas? The data must be analysed by the student and tables / graphs etc. If you are a student and wish to access these resources, ask your school to subscribe. HL Biology IA Help! - The Student Room Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. 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. Narrow down the subject. 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. Still feeling a bit uneasy about the task ahead? Before we dive more in-depth, you might want to check out our premium IB Biology SL Notes to own your Biology SL papers! Investigating how tuberculosis's Incidence is related to a countrys Human Development Index(HDI) level. 20 Fun and Interesting Biology Experiments for High School
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