This is a great idea, but it could be complex and time consuming depending on the lab. 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. If there are any ethical implications to your report, how do you plan on minimizing the environmental impact of your experiment?. 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 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. 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. Exploring root hair cells and finding their visibility with age. Narrow down the subject. This might involve the use of a data logger, or perhaps a titration using bromothymol blue. The Aim answers Why while the Research Question answers the What. 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. Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. 19, What is the difference in the CO2 levels exhaled before and after enduring physical exercise? They cause our teeth to rot, shaping plaque and causing awful breath. 14. 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 nice idea for an investigation into the number of species found in a garden in houses where there are pets and no pets. 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. Investigate how different species of plants respond differently to environmental stimuli. 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. 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! Heres a link to a scientific article that did something very similar, copy their method. 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. In accordance The internal assessment requirements are the same for biology, chemistry and physics. Bananas lend themselves to this because their skin changes colour. If you continue to use this site we will assume that you are happy with it. What is the most effective way of fighting an endemic? Citing documents/web pages and giving references is another important aspect of your IA that needs to be taken care of. 5, Effect of BMI on skin surface temperature in various body areas on rate of recovery once exposed to cold. Is it possible to increase brainpower? This is an interesting quantitative method to estimate glucose concentration. Before we dive more in-depth, you might want to check out our premium IB Biology SL Notes to own your Biology SL papers! 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. While it is an interesting idea, like the example above there are many factors to control in this investigation, which is an interesting modification of a standard lab looking at exercise. Challenges: Being consistent in assessing the fruit ripeness. How does different sodium chloride concentrations affect seed germination in the bougainvillea plant? The challenge will be in deciding which concentrations to test and in explaining the results. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. If the algae is green, then the maxima should be over in . 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. Other possibilities are paper simulations, e.g. 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. A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. 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! Be unique and think about how it's interesting to YOU! Lower concentrations will slow respiration because of a lack of substrate. Is there an optimum intensity of warm up to achieve best performance? The 80 Most Common IB Biology Exam Questions! It may even be possible to find a database of measurements of children of different ages. 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. There are some quite nice online tests of colour vision, and also many telephone apps. Posted October 26, 2015. 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. I'll start first; for my HL Biology IA, I Investigated the effect of varying wavelengths of light on the growth of bacteria; and ended up getting a 21/24 which is equal to a 7 :) 12, What happens after the best-by date of dairy products? IB Biology IA Ideas wont strike out of the blue, but heres a list of. 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. Homemade extraction of your own DNA. HL Biology IA Help! 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. With all the necessary information at your disposal, it is time to present before you some amazing IB Biology IA ideas to encourage you to put your thinking caps on and take on the challenge with newfound zeal! Investigate the influence of Ph levels in the soil on the development of the Lepidium avitum 2) How does the concentration of potassium chloride affect the growth of Lepidium savitum. Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. Challenges: Providing biological context for why youre measuring certain factors. Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. By testing people of different ages to see if there is a difference in their reaction time it may seem like a simple study, but there are a lot of factors which need to be controlled and it will be difficult to find enough participants to create a large enough data set. 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). Are you struggling with choosing your topic for your IB Biology IA? the Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. Originally Answered: what are some examples of good biology IA's? This is a bit more complex than a simple pulse rate investigation, but the challenge to control variables is equally great. Get your own tutor today! 1678+ Video tutorials, 1226+ PDF IB Resources, 195+ Sample IAs, 148+ EEs, 8777+ Sample questions, 653+ quizzes, IB Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Independent, Dependent variables need to be highlighted, as should the hypothesis. Comparing the buffering actions of various substances: antacids, milk, sodium bicarbonate, sodium carbonate, detergents, etc. 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. To make things as simple as possible for you, we've put together a list of biology research project ideas. The IB advise student and teachers, each year, to avoid this sort of lab. 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. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. This FREE guide reveals the most powerful information for boosting your extended essay score and Place the bottle in hot water at 170-190 F until all of the agar is liquid. location on shore. )/ Studying, Dependent variable:Ventilation rate. The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. 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. 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). SIENE IA UIDE 8 info@lanternaeducation.com 23. Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. Sometimes sites go ofline or change their address. Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . Population growth curves. Starting at deep purple, and ending at far red, write down the A values. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? But how do antibiotics affect the growth or successful germination of plants? At this point, all apparatus should have been properly set-up and the experimentations should be able to commence. Also, be sure that you know all of the rules and regulations for your particular science fair before you begin your project. Fear not, we have elite Biology tutors that can assist you through the process IB Maths is a struggle for most people going through their diploma. (Write your IA title!) Still feeling a bit uneasy about the task ahead? Experimental setup:Place a corn seed in a dark cupboard with a single light source. Take inspiration from these and research further to land on that one idea that gets you going! Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. Clearly state your interest. This could be a difficult investigation to do quantitatively unless there was a longer time period available to observe growth. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. 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. reply. 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. If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. Dependent Variable: Rate of Seed Germination. 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. The difficulty begins with identifying the genres in a scientific way. Level of passive aggression in individual sportsmen is found higher. The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. 3. . 5 years ago. Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the. This is a list of possible sites for students to use as online labs. 0. Extract your own DNA. Then, add some liquid soap (like the one you use for washing the dishes), juice from a grapefruit, and . 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. Your data shall be kept until you unsubscribe. How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to spoilage? http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Heres a useful link for ventilation rates. 2, Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? 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. 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? terms of service. Some plants grow well in coastal soils with igh salt concentrations but others don't. Independent Variable: Halophyte seed vs Normal Plant seed. Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. Use a clean, microwave-safe container to mix the agar with water and then boil it. Decomposing bacteria and fungi are organisms that help the process of decomposition. 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. Are you looking for some IB Biology Internal Assessment (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. Exemplars. Independent Variable:Temperature, Oxygen availability. | What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? What has inspired you to do that topic? One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. Browse. 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! 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. 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. 13. But how do we get started on a lab report and, crucially, what should we write about? Keep the research question brief and relevant. The biological functions of water. In this investigation a change in a physiological feature is explored. Whether you are looking for immediate help for IB Biology internal assessments ideas, online tutoring for any IB subject including biology or best study material for any IB group 1 to IB . IA is one that has been undertaken with complete zeal and enthusiasm. Independent Variable: Age, Tiredness, Gender, Eye Colour. An ideal IA idea is one that reeks of originality and leaves room for proper investigation and analysis in the process. 30, Exploring mollusc shapes with regards to an external variable e.g. NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. (16 More IB Resources), See Do individuals of different types all behave in the same way to a stimulus. This was my Biology HL IA which was given a 21/24 by the IB. Student work is internally assessed by the teacher and externally moderated by the IB. What effect do conditions, such as temperature, sunlight have on the rate of spoilage. 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. We use cookies to ensure that we give you the best experience on our website. You. Auxin hormone is largely responsible for controlling the direction of plant growth. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. 30 Biology IA topic ideas to get your lab report started! Selecting an IBxq Biology IA idea has never been easier! Legal 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. One possible solution is to measure another (or some other) factors about the body and look for a correlation. Use the epidemiological data to measure rates of change. Remember any participants will need to give written consent before any experimenting, and the mild stress of exam conditions must be harmless. . . Get up to 300 bonus credits with our tutoring packages! Read more about it here. These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. 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. Exploring how the height of plants is affected by Nitrogen or Fluoride based fertilizers used. What effect does temperature have on the ripening process of a fruit?. Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. legislation, you have rights in relation to your data. to inspire and stimulate your grey cells! The practice of making sourdough is as ancient as bread itself. 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. 16, Determine the effect of glucose concentration on the rate of osmosis. In some other cases E. coli can also cause urinary tract infections. there Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew This investigation tries to establish a pattern between the weather and the spread of a disease. 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. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. How does the acidity of different beverages affect the deterioration of tooth enamel? We look forward to joining the Lanterna and being part of your success. 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. 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. Lots of scope but not an easy investigation to complete in the time, in 12 pages. | Take 10 micro liters of the cultured. Click here to reset it. Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? 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. Alternatively, sign up to our sites at www.studyib.net tillu22. These ideas are for you to start exploring and begin! (1 More IB Past Papers). Introduction Controlling factors which can affect blood pressure could be an investigation in itself! . 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. One idea would be to make a series of soils using active compost and sand. Get for free what others have paid $100s in tuition , its objectives, partwise breakdown, and what IB expects of you. Teens can work to find out why certain plants present certain colors. 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? Experimental setup:Gather participants for the study and compare how quickly they can catch a ruler (measured in cm). 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. Toothpaste is labelled according to how natural or how chemical the contents are. The effect of pets on the diversity of plants in a garden lawn. 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. Stuck for Ideas planning your Biology IA? Measuring theses factors might be tricky and will involve some testing, although using a phone camera or a video camera could help. investigation should cover a topic that is commensurate with the level of the course of study. Perform the relevant analysis, keeping in mind the research question, and conclude. The will (hopefully) impact the success of germination. 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. Comparing Gersmehl diagrams from different biomes or applying them in different real-world conditions by measuring the content of nutrient sinks- biomass, litter, or soil. The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. Natural selection - lab bench Which type of water fleas escape predators best? Click, See A clear RQ is essential and there are quite a few possibilities. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. Experimental setup:Use a potometer to measure the rate of transpiration. How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Passion is fundamental in research, after all. 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? Click here to learn more. CareerBuilder TIP. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. IA Advice & Ideas; Help! Reply Therefore, 5 trials with 5 samples each make up 25 samples in total. Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. As the cell membrane disintegrates, alcohol can then enter the cell and . Pour the bacteria onto the solidified agar plate. 1. watch this thread. The internal assessment requirements are the same for biology, chemistry and physics. Athletes perform better if they warm up properly before an event. Math solutions -. 17. Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. cactus) and a halophyte (eg. 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. 10, Can we slow down the decaying times of vegetables? Therefore, it's super important that your IB Biology IA gets as high a mark as possible. Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. The internal. Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. Biology IA Ideas with Independent Variables 1. How does stomatal density change according light exposure of red and blue light? 8, How do the buffering actions of milk, yogurt, juices, detergents etc. 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? Avoid this type of investigation, . assessment, worth 20% of the final assessment, consists of one scientific investigation. Investigating how tuberculosis's Incidence is related to a countrys Human Development Index(HDI) level. and uncertainties. How does the percentage of salinity in water affect the rate of growth of radishes in mass? 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.
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