Along with a bundle of Past Papers, these premium SL notes include guides for your Extended Essay and Internal Assessments with helpful examples! PDF Milk Spoilage: Methods and Practices of Detecting Milk Quality An ideal IA idea is one that reeks of originality and leaves room for proper investigation and analysis in the process. The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. DP Biology: Mobile phone bacteria experiment 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! 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? 30 Biology IA Topic Ideas! | Lanterna Education Blog Ventilation rate is a measure of how quickly you breathe. The will (hopefully) impact the success of germination. There are many possible variations, perhaps the presence of animal excrement could be the causal factor, otherwise some species may be more resistant to scratching and disturbance, caged animals can selectively graze on parts of a lawn, just to mention a few ideas. Biology IA | PDF | Escherichia Coli | Bacteria - Scribd Use a clean, microwave-safe container to mix the agar with water and then boil it. PDF Probiotic Frozen Yogurt - Mahidol University You certainly dont want to miss out on these! Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. One nice idea might be to see if the growth in the lungs' vital capacity correlates better with the circumference of the skull or the length of the legs in children of different ages. Different plants that live in different conditions will have different requirements for gas exchange. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. This is an interesting quantitative method to estimate glucose concentration. Sitting in that quiet corner, sipping on hot chocolate hoping it rains IB Biology IA ideas, instead, going blank and utterly confused? How the rate of decay affects temperature, water & oxygen - BBC http://www.xrite.com/online-color-test-challenge. You certainly dont want to miss out on these! There are plenty of factors to control which makes this investigation difficult and if there isn't enough data or the controls are not in place this could lead to a low mark after much work. IB Elite Academy online tutors provides hundreds of IB Biology IA ideas at both IB Biology higher level, IB Biology standard level. These proportions make enough nutrient agar to prepare two petri dishes. Paper 2 contains short-answer and extended-response questions on the core (and Additional Higher Level (AHL) material . 30, Exploring mollusc shapes with regards to an external variable e.g. 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. Then is is going to be a challenge to design a method of data collection which controls all the possible variables. State your hypothesis; it is important in the context of your research. Lower concentrations will slow respiration because of a lack of substrate. 3.2 The More Data, The Better. using potassium permanganate and heating, from a protocol from Science & plants for schools. 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. Plants also play a significant role in the environment by influencing climate and producing life-giving oxygen. This FREE guide reveals the most powerful information for boosting your extended essay score and The internal assessment requirements are the same for biology, chemistry and physics. All rights reserved. For strict autotrophic organisms - Only inorganic compounds. Before we dive more in-depth, you might want to check out our premium IB Biology SL Notes to own your Biology SL papers! If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. 5, Effect of BMI on skin surface temperature in various body areas on rate of recovery once exposed to cold. Grab ideas, see examples and create own perfect Biology essay and research paper! (16 More IB Resources), See InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at It belongs to the family of Enterobacteriaceae where most of them are harmless. This sounds like an easy investigation but it is tricky because first there needs to be some biological reason why the heart should speed up in the presence of music and this is impossible to explain with IB Biology. Microorganisms | Free Full-Text | Leukocyte Response to Campylobacter Comparing the buffering actions of various substances: antacids, milk, sodium bicarbonate, sodium carbonate, detergents, etc. A Selection of Topics for a Biology Essay. The intra-abdominal Campylobacter infection model facilitates the characterization of peripheral blood leukocyte . The internal assessment requirements are the same for biology, chemistry and physics. 15, Analysing the impact of river pollution on marine life. to inspire and stimulate your grey cells! legislation, you have rights in relation to your data. It may even be possible to find a database of measurements of children of different ages. 24. Check out some Physics IA ideas here!11, What is the effect of the salt concentration on germination of different types of seeds? One idea would be to make a series of soils using active compost and sand. Majority of them are restricted to the intestine Controlling factors which can affect blood pressure could be an investigation in itself! Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. Vegetables decay over time but how can we slow down the process? There are obviously many different factors influencing the rate of ventilation, you can investigate which those are! The data must be analysed by the student and tables / graphs etc. Without further adieu, lets dive headfirst into 30+ IB Biology IA ideas for your Biology IA Investigation! Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. Get for free what others have paid $100s in tuition Five biological experiments you can do at home - University Post Understanding how a particular abiotic factor affects the biodiversity in a habitat. Access them all! There are biology topics that can be connected to culture, music, language, and the like. Still feeling a bit uneasy about the task ahead? Subject to the conditions provided for by applicable Student work is internally assessed by the teacher and externally moderated by the IB. 9, Do our reaction times slow down with age? These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. PDF Biology Internal Assesment Higher Level Avoid this type of investigation, . Challenges: Being consistent in assessing the fruit ripeness. . The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. 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. The distinctive features of human physiology. Need inspo for Physics too? Below you will find science fair project ideas primarily related to biology. By submitting this form, I agree to the data entered being used by Nail IBNSW for sending tillu22. 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. | Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. Reply 7. with current laws and regulations, you can unsubscribe at any time by clicking on the link in Athletes perform better if they warm up properly before an event. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. To people who got a 7 in their HL Biology IA, what topic did - Reddit compare? Dependent Variable: Rate of Seed Germination. Internal assessment criteria the new assessment model uses five criteria to assess the final report of the individual investigation with the following raw marks and weightings assigned: Complete this form and well match you with a Tutor to help you master your EE! Bananas lend themselves to this because their skin changes colour. This is a nice idea for an investigation into the number of species found in a garden in houses where there are pets and no pets. 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. Does the behaviour of an animal change as the population increases? 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. Auxin hormone is largely responsible for controlling the direction of plant growth. Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . Bio IA graded 7 IB score - Aim: To determine the effect of - Studocu What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? 50 IB Biology IA Ideas - IB Better 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. Can temperature, humidity, or exposure to sunlight affect how quickly vegetables decay? )/ Studying, Dependent variable:Ventilation rate. The bacteria-infected mice were given PPEF, BPVF, levofloxacin, and ciprofloxacin at different doses (10 and 20 mg/kg bw) by dissolving in sterile water as a vehicle at a volume of 0.1 mL using a . location on shore. If there are any ethical implications to your report, how do you plan on minimizing the environmental impact of your experiment?. Investigation of the functioning of the eyes when using paper or different electronic screens. Alcohol is a common active ingredient in many of the commercial mouth washes. Independent, Dependent variables need to be highlighted, as should the hypothesis. How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? Where do you even begin such a task? 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! . The individual investigation should cover a topic that is commensurate with the level of the course of study. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. An IB Internal Assessment is an individual assignment assessed by a subject teacher following a given set of criteria to guide, construct, and evaluate the finished assignment. It will be useful for students who are lost for an idea, or teachers who are looking for something to inspire a particular student. Personal engagement, exploration, analysis, evaluation, and communication. IA investigation - teacher's marking activity, Metabolism Respn & Photosynthesis test HL, Metabolism Respn. If you continue to use this site we will assume that you are happy with it. How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . Which pigments are made first in a growing leaf, or are all the pigments made at the same time? What are you waiting for? 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. Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. The climate is different at different altitudes and the growing season begins later at high altitude. Heres a useful link for ventilation rates. 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 line with the IB Learner Profile, "Act with integrity and honesty". Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the. Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. 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! Is there an optimum intensity of warm up to achieve best performance? Observe how changing the colour of the light source impacts the success of phototropism! http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Heres a useful link for ventilation rates. | 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. Unit 8, Suite V4Oakville, Ontario,CanadaL6H 1M3. We use cookies to ensure that we give you the best experience on our website. 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'. A List Of Great Topics For A Biology Extended Essay - Christian Paul classes to learn/preach! Homemade extraction of your own DNA. 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. Biology Internal Assessment Topics: 15+ Sample, Example Topics 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. Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. How to Choose Interesting Biology Research Topics? - MyAssignmenthelp.com Halophytes grow in Salty conditions whereas normal plants dont. There are lots of practical problems to overcome, most importantly how to change the soil so that it has different amounts of respiration. Math solutions -. The internal assessment requirements are the same for biology, chemistry and physics. disinfectant, rum, vodka, etc.). It is very easy to extract DNA at home just using everyday kitchen supplies. If you are still not dissuaded then be sure to collect enough data and try to be analytical, don't mix types of music and tempos of music and try to keep the investigation to some biological cause or effect. Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs.
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