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How does the acidity of different beverages affect the deterioration of tooth enamel? Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? 30, Exploring mollusc shapes with regards to an external variable e.g. 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! IA investigation - teacher's marking activity, Metabolism Respn & Photosynthesis test HL, Metabolism Respn. 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. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. Biology IA Ideas with Independent Variables 1. Toothpaste is supposed to block bacterial growth. 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. There are obviously many different factors influencing the rate of ventilation, you can investigate which those are! To people who got a 7 in their HL Biology IA, what topic did - Reddit PDF Probiotic Frozen Yogurt - Mahidol University If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! You can extract your own DNA from your saliva, or you can use any fruit or vegetable you can find at home bananas and strawberries are some of the most popular at science fairs. Some preparation time will be required to germinate and plant the seeds. Compost is made from dead plants and manure is the waste from animals. 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. 17, What is the effect of pests on the diversity of plants in a lawn? There could be some biology theory applied to the plants leaves, or roots. Constraints, if any, need to be mentioned as well. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. Top 80 Most Common IB Biology Exam Questions. Auxin hormone is largely responsible for controlling the direction of plant growth. 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! 2, Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? 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 The individual. Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. Bacteria are single-celled microorganisms with prokaryotic cells, which are single cells that do not have organelles or a true nucleus and are less complex than eukaryotic cells. To make things as simple as possible for you, we've put together a list of biology research project ideas. To measure the rate, you can either measure how quickly different species grow, or one of the other factors described below. Most strands of this bacteria are found to be harmless and even healthy to be part of the human digestive system, however some strands can cause to the development of serious problems like . Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. The best investigations will have a biological reason why there might be a correlation between the IV and the DV. Investigating muscle activity involved when standing on ones toes(Ballet dancers). 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. Browse these for more information! Place the bottle in hot water at 170-190 F until all of the agar is liquid. watch this thread. classes to learn/preach! Sterilize the spreader by holding it over the spirit lamp and then cooling it in the laminar airflow. 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! What's IB IA Program? 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. How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? Decomposing bacteria and fungi are organisms that help the process of decomposition. These are all genera and the specific species present definitely vary between cultures. IB Biology Internal Assessment - AMAZING WORLD OF SCIENCE WITH MR. GREEN 23 Ideas for Science Experiments Using Plants - ThoughtCo 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. The different pH levels are pH 1, 3, 5, 7, 11, and 14. IB EE on the effect of pH and salt on the growth of - Issuu This is a bit more complex than a simple pulse rate investigation, but the challenge to control variables is equally great. 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. If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. 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. Different plants that live in different conditions will have different requirements for gas exchange. Place all 5 of the red apples into the test tubes (1 piece for each test tube). Unit 8, Suite V4Oakville, Ontario,CanadaL6H 1M3. promotional emails that we send to you. Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. 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. So there we have it! 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. Teens can work to find out why certain plants present certain colors. Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. Hurry, this offer ends on January 17th! 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'. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. Read more about it here, Independent Variables: Concentration of Sucrose. The Biology of Sourdough | Discover Magazine How does the composition of soil affect the growth of runner Plants from the original plant? 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 video breaks down the c. http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Heres a useful link for ventilation rates. Therefore, 5 trials with 5 samples each make up 25 samples in total. Still feeling a bit uneasy about the task ahead? Experimental setup:Gather participants for the study and compare how quickly they can catch a ruler (measured in cm). Test the stomatal density of different leaves exposed to variable conditions using a microscope. Ib Biology Enzymes Ia Essay Example - PHDessay.com Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? I'll do so in a series of questions that will help you probe deeper into your IA. Citing documents/web pages and giving references is another important aspect of your IA that needs to be taken care of. What effect do conditions, such as temperature, sunlight have on the rate of spoilage. We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! Heres a link to a scientific article that did something very similar, copy their method. Outline the Equipment, time, and resources to keep a check on its feasibility. Using nationally published data on epidemiology and weather data is certainly possible and it could happen that there are correlations between climate and some disease outbreaks this will need explaining in terms of the mechanisms of transmission of the specific disease. Plant project studies allow us to learn about plant biology and potential usage for plants in other fields such as medicine, agriculture, and biotechnology. The practice of making sourdough is as ancient as bread itself. 9, Do our reaction times slow down with age? The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of . Dont panic weve got you covered. Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. assessment, worth 20% of the final assessment, consists of one scientific investigation. Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. We use cookies to ensure that we give you the best experience on our website. Some of the challenges of this type of investigation will be controlling other factors which affect the growth of plants. Independent Variable: Halophyte seed vs Normal Plant seed. Stir these together well: -teaspoon agar (1 1/5 grams) Narrow down the subject. So there we have it! IBDP Biology InThinkingSubject Sites for teachers & their classes At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. Topics about Biology, we've collected for you from our best Biology papers samples! Use it to spread the bacteria across the surface of the Petri dish while rotating it. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. Water Bath Method - Loosen the agar bottle cap, but do not remove it completely. You have to show that the data has been carefully selected, and that measures have been taken to ensure that other factors which might affect the data have been controlled, by careful selection of the data used. Effect of Mouthwash on Bacteria | Experiment - UKEssays.com Senior Scientist | Biology-Discovery - Animal Health 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. Different plants will change their transpiration rates in response to the environment. Here the challenge is the exploration section. biology IA --- bacteria ? - Biology and ESS - IB Survival Antibiotics are used to treat plants for bacteria. legislation, you have rights in relation to your data. 3.2 The More Data, The Better. A clear RQ is essential and there are quite a few possibilities. Along with a bundle of, with helpful examples! This creates fermented products. This could be compared to listening to music where research has been done to establish that pulse rate can be affected by music. Personal engagement, Exploration, Analysis, Evaluation, and Communication are the criteria against which the investigation is assessed. Experimental setup:Set up an experiment that measures the ethylene or CO2 levels of fruits over time, and expose different fruits to different independent variables. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. Perhaps one of these other variables will be a better variable to investigate instead of music. These proportions make enough nutrient agar to prepare two petri dishes. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. In order to do well in any science IA, you need to fulfil the criteria i.e. 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? the This is an investigation to test a hypothesis that reaction time wll slow down with age. test HL - mark scheme, Animal physiology - test HL - mark scheme, Topic 2 - Molecular biology revision activities, Topic 3 - Genetics SL revision activities, Topic 5 - Evolution SL revision activities, Topic 6 - human physiology SL revision activities, Topic 7 - Nucleic acids HL revision activities, Topic 8 - Metabolism HL revision activities, Topic 9 - Plant biology HL revision activities, Topic 10 - Genetics HL Revision activities, Topic 11 - Physiology HL Revision activities, Option A - Neurobiology - Revision activities, Option D - Human Physiology Revision activities, Membrane structure & function quiz 1.3 & 1.4, DNA replication, transcription, translation quiz 2.7, Evolution - natural selection quiz 5.1 & 5.2, Humans - digestion and absorption workout, IA investigation - teachers marks summary, Extended Essay titles and research questions, Extended essay - self review quiz for students, EE supervisor roles - during the writing process, EE supervisor roles - feedback on a draft. 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. NOTES: Probiotics eat the lactose in milk through fermentation. IB Biology curriculum expects you to appreciate scientific problems in a global context with stimulating opportunities, and IB Biology IAs help you accomplish just that. CareerBuilder TIP. Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. All rights reserved. All rights reserved. Download our 2022 Biology IA Guide (Checklist) to help write the perfect Internal Assessment. Similarly to the experiment on the rate of decay, you can also measure how quickly fruits ripen, and which factors affect this ripening. Bacterial Growth and Nutrition | Biology Ideas | Microbiology Media Exploring how the reaction times of humans get affected with age. Growing Bacteria in Petri Dishes - Biology Experiment - The Lab Of course the ideas are just ideas, nothing is specified and all the details will need to be explored and evaluated by students during their investigations. Are you struggling with choosing your topic for your IB Biology IA? 30 Biology IA Topic Ideas! | Lanterna Education Blog A full experimental setup can be found on this link. The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. Before we dive more in-depth, you might want to check out our premium IB Biology SL Notes to own your Biology SL papers! 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. 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. Understanding the biology behind GMOs can help consumers - Agriculture : Limitations and Improvements should be specified. There needs to be some clear links to the biology of blood pressure and how exercise affects it. Designed by Harvard tutors to allow you exceed beyond expectations. Five biological experiments you can do at home - University Post In accordance 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. 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. Copyright 2023 Nail IB. Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. Get for free what others have paid $100s in tuition In line with the IB Learner Profile, "Act with integrity and honesty". Is it possible to increase brainpower? The stages of embryonic development. Click here to reset it. Heres a useful link for ventilation rates. While these organisms inhibit the growth of many pathogenic bacteria and are also inten- tionally employed to ferment milk to make other dairy products such as yogurt and cheese, they can also induce 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. Majority of them are restricted to the intestine It is important that you do the work yourself and not just copy the material. This is an interesting quantitative method to estimate glucose concentration. 25 Unique Biology IA Ideas Mitosis: Calculate the Mitotic Index in onions and garlic How do different household products affect plant growth Effect of different types of contamination of plants Testing salt tolerance on plants The effect of different variables on fruit and vegetable decay Hereditary effect of Parkinson | My IA was on bacteria by the way if you have any questions. How to Choose Interesting Biology Research Topics? - MyAssignmenthelp.com A List Of Great Topics For A Biology Extended Essay - Christian Paul How does the concentration of zinc chloride affect the growth of plaque? Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. IB Elite Academy online tutors provides hundreds of IB Biology IA ideas at both IB Biology higher level, IB Biology standard level. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. IB Biology IA Ideas wont strike out of the blue, but heres a list of. These are just some of the questions which will need answering. Natural selection - lab bench Which type of water fleas escape predators best? 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. 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? They are produced in nature by soil bacteria and fungi. Access them all! However it could be really interesting to compare simple behaviour in animals. After use of the cell phone, bacterial contamination of the physicians" hands was found in 38 out of 40 cases.In this experiment of prokaryotes students take samples from their mobiles phones and grow prokaryote colonies on agar plates. 8, How do the buffering actions of milk, yogurt, juices, detergents etc. Let's help inspire M22 students since it's already IA season! The existence of living organisms without cells. Preview 1 out of 13 pages 150 Actual Biology Research Paper Topics - PapersOwl.com Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). You can find more information here, Independent Variable: Different Antibiotics, Different Seeds, Dependent Variable: Success of Germination, Rate of Germination. Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. Biology IA | PDF | Escherichia Coli | Bacteria - Scribd Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. One possible solution is to measure another (or some other) factors about the body and look for a correlation. 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. This is a simple experiment to carry out, but a difficult experiment to get good controlled data for. Independent Variable:Temperature, Oxygen availability. As the cell membrane disintegrates, alcohol can then enter the cell and . 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. 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. 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. 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. Comparing the Carbon Dioxide levels in the air exhaled after and before workout sessions. Where do you even begin such a task? Does it matter what type of light the plant is exposed to affect the growth of auxin? There are some quite nice online tests of colour vision, and also many telephone apps. Below you will find science fair project ideas primarily related to biology. Biology in the DP - International Baccalaureate Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. Want some A-quality guidance? Click here (amylase) or Click here ( pancreatin amylase) from Carolina. Experimental setup: In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. Challenges: Providing biological context for why youre measuring certain factors. Tip 1: The level of interest matters. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. 14. How does cumin and turmeric powder, in comparison to indigestion tablets, affect the rate of neutralization of hydrochloric acid, measured by the difference of change of pH levels in 5 minutes? 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. and uncertainties. 6 years ago. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. 3. Lower concentrations will slow respiration because of a lack of substrate. (1 More IB Past Papers). The task will have the same assessment criteria for SL and HL. This is a great idea, but it could be complex and time consuming depending on the lab. I did one on predator-prey relationships and in the end I modelled two sine graphs. HL Psychology or HL History? Perform the relevant analysis, keeping in mind the research question, and conclude. 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. How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? DP Biology: Mobile phone bacteria experiment A Selection of Topics for a Biology Essay. Studying how sudden workout affects the heart rate and baroreceptor feedback. Several university Extension services are now offering easy-to-use websites for those . 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. Sometimes sites go ofline or change their address. To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative.