It is important to set the Research Question in the background of the chosen topic. Are you struggling with choosing your topic for your IB Biology IA? How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to spoilage? Proper research on your part is a bare minimum, and the rest follows. Read more about quadrat sampling here, Independent Variable: Soil pH, Nitrates in Soil, Oxygen concentration, Dependent Variable: Presence or absence of certain species. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. at which many forms of bacteria thrive [9]. 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? Reference to Course: Molecular Biology(Enzymes). 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. Follow the steps here to extract the DNA. We have a team of awesome tutors ready to help you ace the IB. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. Keep the research question brief and relevant. 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. 12, What happens after the best-by date of dairy products? Remember that these samples are meant to give direction and ideas. It is important that you do the work yourself and not just copy the material. IB Biology IA, Hydrolysis of starch using enzyme amylase 1st Method (SL) using white tile and stop watch How changing Temp/Salt conc Browse thousands of Internal Assessment, Extended Essay, and TOK examples. 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. How does different sodium chloride concentrations affect seed germination in the bougainvillea plant? Some of the challenges of this type of investigation will be controlling other factors which affect the growth of plants. Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. Student work is internally assessed by the teacher and externally moderated by the IB. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. 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. What has inspired you to do that topic? Lots of scope but not an easy investigation to complete in the time, in 12 pages. Click, See Take inspiration from these and research further to land on that one idea that gets you going! What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. Investigating how tuberculosis's Incidence is related to a countrys Human Development Index(HDI) level. Citing documents/web pages and giving references is another important aspect of your IA that needs to be taken care of. Reply 7. In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. Alternatively, sign up to our sites at www.studyib.net Investigating muscle activity involved when standing on ones toes(Ballet dancers). This begs the question, is there an ideal concentration of sucrose for yeast growth? There are some ethical questions involved too, and parental consent will be essential for any experiments on children. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. This would be a challenge and it would require some research before beginning. The external assessment of biology consists of three written papers. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. NOTES: Probiotics eat the lactose in milk through fermentation. Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. 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. Want some A-quality guidance? For this experiment, youll investigate how different variables affect the rate of decay! The challenge will be in deciding which concentrations to test and in explaining the results. 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. There are biology topics that can be connected to culture, music, language, and the like. Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. This investigation is a bit biochemical and the answer to simple research questions about the hydrophobic / hydrophyllic properties of photosynthetic pigments themselves would be a little bit obvious, so the challenge is to thing of a research question that could be answered by mixing petroleum ether (a nonpolar solvent) and propanone (a polar solvent) in different proportions and calculating retention factors. Copyright 2023 Nail IB. How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? Personal engagement, exploration, analysis, evaluation, and communication. Tip 1: The level of interest matters. using potassium permanganate and heating, from a protocol from Science & plants for schools. Narrow down the subject. This investigation tries to establish a pattern between the weather and the spread of a disease. 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. How do different kinds of toothpaste compare? Sometimes sites go ofline or change their address. But how do antibiotics affect the growth or successful germination of plants? IB Biology IA, EE on enzymes kinetics amylase using Visible spectrophotometer EE and IA on enzyme study is safe, easy and doable for IB students Starch digestion using Amylase Source for amylase from bacteria, malt or salivary amylase. The stages of embryonic development. Lost your password? . Does it matter what type of light the plant is exposed to affect the growth of auxin? Different plants will change their transpiration rates in response to the environment. 1. You will find 100 topics on various subjects below. Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. The first step consists of spitting on the glass and adding a pinch of salt to it. Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! and uncertainties. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. 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. opening the floodgates to that sweet 45! HL Biology IA Help! These are just some of the questions which will need answering. Independent, Dependent variables need to be highlighted, as should the hypothesis. Dont worry, weve all been there. Therefore, it's super important that your IB Biology IA gets as high a mark as possible. How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? There needs to be some clear links to the biology of blood pressure and how exercise affects it. Grab ideas, see examples and create own perfect Biology essay and research paper! I did one on predator-prey relationships and in the end I modelled two sine graphs. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. 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. There are obviously many different factors influencing the rate of ventilation, you can investigate which those are! the Other possibilities are paper simulations, e.g. IA Biology HL 6 Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. At Lanterna we have hundreds of tutors who smashed Biology. Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). 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. This is nice project if there is a specific environmental gradient in the site being investigated. 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. Comparing boys and girls for example will be impossible, unless the sample size is very large. Independent Variable: Temperature/Psychological Stress (scary movies? What is the most effective way of fighting an endemic? Studying how sudden workout affects the heart rate and baroreceptor feedback. Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. Starting at deep purple, and ending at far red, write down the A values. The importance of agricultural microbiology. The data must be analysed by the student and tables / graphs etc. In this investigation a change in a physiological feature is explored. They are the foundation of food chains in almost every ecosystem. The internal assessment requirements are the same for biology, chemistry and physics. The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. 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. disinfectant, rum, vodka, etc.). Click here to reset it. Your data shall be kept until you unsubscribe. | Studying the effect of enzymes on Cheese production. Exploring how the height of plants is affected by Nitrogen or Fluoride based fertilizers used. Lactobacilli reproduction and growth is the cause of milk spoilage. We hope our list of Internal Assessment Ideas was useful. 1 Department of Food Chemistry,Faculty of Pharmacy, Mahidol University 2 Department of Microbiology, Faculty of Pharmacy, Mahidol University Abstract Recent trends show that consumers have been searching for functional foods to improve bodily functions and overall health. Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! Hurry, this offer ends on January 17th! 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. Top 80 Most Common IB Biology Exam Questions. How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? 30 Biology IA topic ideas to get your lab report started! Experimental setup:Follow this link to for more information of modelling! 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 :) [], We all know that scoring superbly on internal assessments is a great way to boost our IB grades. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Teens can work to find out why certain plants present certain colors. 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). 20, Testing the effectiveness of different types of toothpaste in inhibiting the growth of different types of bacteria.https://qa.lanterna.com/wp-content/uploads/2019/04/Biology-Revision-Guide-213x300.png, 21, The effect of temperature / light on fruit ripening, 22, Exploring stomatal density in a variety of conditions, 23, Testing the effectiveness of toothpaste types, 24, Investigating the effect of smoke water on the germination and growth of E.pilularis, 25, Exploring the effect of sunlight on biomass, 26, Exploring effect of light levels on the predation of the peppered moth, 27, Investigating the effect of different light intensities on water weeds. How do different concentrations of lactases affect the breakdown of disaccharides like lactose in milk effectively? . 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. Athletes perform better if they warm up properly before an event. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. classes to learn/preach! The data collection using the online lab may be easy enough, but the challenge is going to be designing a meaningful experiment and collecting enough results to complete the analysis well. (1 More IB Past Papers). Comparing the Carbon Dioxide levels in the air exhaled after and before workout sessions. For strict autotrophic organisms - Only inorganic compounds. Perhaps another research question will be better, something linked to hormones, or to physical activity. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. 24. 3. . Investigate how different species of plants respond differently to environmental stimuli. 17, What is the effect of pests on the diversity of plants in a lawn? This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. A 125ml bottle of nutrient agar contains enough to fill about 10 petri dishes. tillu22. Lower concentrations will slow respiration because of a lack of substrate. How does the concentration of zinc chloride affect the growth of plaque? However it could be really interesting to compare simple behaviour in animals. In addition to that, the IA explores how inhibitor ethanol affects the rate of the reaction. 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. Photo. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. Coli bacteria using a micro pipette. 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 What are you waiting for? The internal. Are you looking for some IB Biology Internal Assessment (IA) ideas? Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. Independent Variable:Temperature, Oxygen availability. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. A clear RQ is essential and there are quite a few possibilities. How does different conditioners affect the strength of hair? For your privacy and protection, when applying to a job online, never give your social security number to a prospective employer, provide credit card or bank account information, or perform any sort of monetary transaction. promotional emails that we send to you. Without further adieu, lets dive headfirst into 30+ IB Biology IA ideas for your Biology IA Investigation! Experimental setup:Find a xerophyte (eg. 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. 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. terms of service. OP. 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. www.thinkib.net. 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. 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. 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. 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. 5 years ago. 12 Investigation ideas with a biological twist. Many say that as we get older, our reaction times slow down, see if this is true! Understanding how a particular abiotic factor affects the biodiversity in a habitat. Finding a topic is one of the - if not THE - most important part of writing your IA so we want to make sure that you get it right! which are specifically designed for self study and revision. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. Experimental setup:Use a potometer to measure the rate of transpiration. Personal engagement, Exploration, Analysis, Evaluation, and Communication are the criteria against which the investigation is assessed. In general, keep in mind that for your Chemistry IA we want to measuring how changing one variable has an [], Choosing where to start with an IA can be the hardest part, and this is definitely true for the Physics IA. What's IB IA Program? Maybe you can suggest that to your teacher? This FREE guide reveals the most powerful information for boosting your extended essay score and 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. This investigation is going to require a very precise research question and some careful methodology to ensure that the data collected can be used to answer the RQ. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. Reply 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. to inspire and stimulate your grey cells! 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! One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. Human benchmark lab - Quite a nice small set of tests, including reaction times, Mean arterial pressure calculator online - a useful little calculator, Sciencelab Chemical data sheets MSDS (Materials Safety data sheets) - useful for risk assessments, document.write(new Date().getFullYear()) InThinking 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! So there we have it! 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. 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. 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of . 28, How do different antibiotics interact with the process of seed germination?

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