Canada: +1 (647) 249-7179USA (WhatsApp): +1 (678) 679-2365edu@plusplustutors.com, 407 Iroquois Shore Rd. (1 More IB Past Papers). How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? 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. Paper 2 contains short-answer and extended-response questions on the core (and Additional Higher Level (AHL) material . Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! the Topics about Biology, we've collected for you from our best Biology papers samples! 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. 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? 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. How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? 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. Preview 1 out of 13 pages 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. Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. This page is a simple list of general biological ideas for investigations. In some other cases E. coli can also cause urinary tract infections. To seek where great ideas come from and change the way teachers/students learn in the 21st century. Challenges: Being consistent in assessing the fruit ripeness. to inspire and stimulate your grey cells! 3. IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). Dont worry, weve all been there. Challenges: Providing biological context for why youre measuring certain factors. Facebook 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. 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. Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). Studying how different carbohydrates in edibles impact the blood sugar levels in humans. Therefore, 5 trials with 5 samples each make up 25 samples in total. Experimental setup:In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. Are you looking for some IB Biology Internal Assessment (IA) ideas? Posted October 26, 2015. State your hypothesis; it is important in the context of your research. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. Personal engagement, Exploration, Analysis, Evaluation, and Communication are the criteria against which the investigation is assessed. Be unique and think about how it's interesting to YOU! Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. 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. We know that our topic has to be somewhat related to the syllabus, but where should we focus? Get your own tutor today! This is an interesting topic of investigation which relates to osmosis and ecology. At Lanterna we have hundreds of tutors who smashed Biology. Before we match you with one of our trusted tutors, we want to know a little bit about you so we can ensure the best possible support. Student work is internally assessed by the teacher and externally moderated by the IB. Exemplars. 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. Take 10 micro liters of the cultured. I'll do so in a series of questions that will help you probe deeper into your IA. 10, Can we slow down the decaying times of vegetables? The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. IA investigation - teacher's marking activity, Metabolism Respn & Photosynthesis test HL, Metabolism Respn. 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! Vegetables decay over time but how can we slow down the process? 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of . However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. 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. Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. Perhaps another research question will be better, something linked to hormones, or to physical activity. The procedure used should be well structured. Without further adieu, lets dive headfirst into 30+ IB Biology IA ideas for your Biology IA Investigation! How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? 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. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. 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'. 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. promotional emails that we send to you. 14, What is the respective change of allele frequency when initial frequencies are manipulated? Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. 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. Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. Many say that as we get older, our reaction times slow down, see if this is true! Is it possible to increase brainpower? Remember! What effect do conditions, such as temperature, sunlight have on the rate of spoilage. Download our Guide: How to Write a Perfect Biology IA (Click Here), If youre interested in getting additional support for your Biology IA, we have a team of expert IB Biology tutors that can help you plan, structure and execute your assignment. The challenge will be in deciding which concentrations to test and in explaining the results. The 80 Most Common IB Biology Exam Questions! It may even be possible to find a database of measurements of children of different ages. Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. Some plants grow well in coastal soils with igh salt concentrations but others don't. Neither should the idea be too generic and nor too simplistic. Use the epidemiological data to measure rates of change. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. IA Advice & Ideas; Help! with peppered moth types. IB Elite Academy online tutors provides hundreds of IB Biology IA ideas at both IB Biology higher level, IB Biology standard level. 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. We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! Some diseases spread through direct contact, others are transmitted by an insect vector. 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. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. 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. and uncertainties. assessment, worth 20% of the final assessment, consists of one scientific investigation. Level of passive aggression in individual sportsmen is found higher. . A full experimental setup can be found on this link. By siging up, I agree to Lanternas They are the foundation of food chains in almost every ecosystem. 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 How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? 1. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. using potassium permanganate and heating, from a protocol from Science & plants for schools. Clearly state your interest. 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. The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. 2. 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. This is a list of possible sites for students to use as online labs. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. 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. You will find 100 topics on various subjects below. should include all the normal conventions of d.p. 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. Extract your own DNA. Koreans eat kimchi year round, enjoying its spicy taste and the fact that it contains loads of vitamins B and C. In this cooking and food science fair project, you will make kimchi from scratch and investigate changes in pH and glucose as the kimchi ferments. Lactobacilli reproduction and growth is the cause of milk spoilage. Need inspo for Physics too? 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. 0. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. In this post, we outline the different necessary components. You can visit www.ibbiologytutors.com to register for a FREE demo session.. This might involve the use of a data logger, or perhaps a titration using bromothymol blue. 28, How do different antibiotics interact with the process of seed germination? Can temperature, humidity, or exposure to sunlight affect how quickly vegetables decay? A well. 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. But how do antibiotics affect the growth or successful germination of plants? 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. Dont panic weve got you covered. You certainly dont want to miss out on these! Measuring the change in iron levels of avocados as they go through different ripening stages 25. IA Overview. Toothpaste is supposed to block bacterial growth. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. 30 Biology IA topic ideas to get your lab report started! It could be used in a wide range of labs. They are produced in nature by soil bacteria and fungi. 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. 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 . at which many forms of bacteria thrive [9]. In line with the IB Learner Profile, "Act with integrity and honesty". Investigation of the functioning of the eyes when using paper or different electronic screens. The effect of pets on the diversity of plants in a garden lawn. 16, Determine the effect of glucose concentration on the rate of osmosis. Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. Stuck for Ideas planning your Biology IA? Then is is going to be a challenge to design a method of data collection which controls all the possible variables. The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. Independent Variable:Temperature, Oxygen availability. Before you can grow bacteria, you'll need to prepare sterile culture dishes. Measuring theses factors might be tricky and will involve some testing, although using a phone camera or a video camera could help. compare? Different plants will change their transpiration rates in response to the environment. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! Photo. Before we dive more in-depth, you might want to check out our premium IB Biology SL Notes to own your Biology SL papers! 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. It is thought that there may be some aggressive behaviour depending on the qualities of the sportsman, trainer's tactics, and sports fan and media pressure. Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. opening the floodgates to that sweet 45! Browse thousands of Internal Assessment, Extended Essay, and TOK examples. Passion is fundamental in research, after all. Other possibilities are paper simulations, e.g. In order to do well in any science IA, you need to fulfil the criteria i.e. Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. 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. IA Review. 5, Effect of BMI on skin surface temperature in various body areas on rate of recovery once exposed to cold. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. Subject to the conditions provided for by applicable 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. 12, What happens after the best-by date of dairy products? 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! Reply 7. 1. All rights reserved. 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. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. HL Psychology or HL History? The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. There are some ethical questions involved too, and parental consent will be essential for any experiments on children. 3.2 The More Data, The Better. Copyright 2023 Nail IB. Math solutions -. Independent, Dependent variables need to be highlighted, as should the hypothesis. 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. CareerBuilder TIP. It belongs to the family of Enterobacteriaceae where most of them are harmless. 17, What is the effect of pests on the diversity of plants in a lawn? Read more about it here. Independent Variable: Temperature/Psychological Stress (scary movies? Along with a bundle of, with helpful examples! 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. 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 Along with a bundle of Past Papers, these premium SL notes include guides for your Extended Essay and Internal Assessments with helpful examples! The difficulty begins with identifying the genres in a scientific way. The intra-abdominal Campylobacter infection model facilitates the characterization of peripheral blood leukocyte . 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. The evolution of parasites. Does it matter what type of light the plant is exposed to affect the growth of auxin? Still feeling a bit uneasy about the task ahead? Tip 1: The level of interest matters. By submitting this form, I agree to the data entered being used by Nail IBNSW for sending 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! The external assessment of biology consists of three written papers. Similarly to the experiment on the rate of decay, you can also measure how quickly fruits ripen, and which factors affect this ripening. Does the behaviour of an animal change as the population increases? Which pigments are made first in a growing leaf, or are all the pigments made at the same time? Perform the relevant analysis, keeping in mind the research question, and conclude. The individual investigation should cover a topic that is commensurate with the level of the course of study. Antibiotics are used to treat plants for bacteria. Click here for top-notch IB resources or here to assess how your prep is going! One idea would be to make a series of soils using active compost and sand. 9, Do our reaction times slow down with age? This could be compared to listening to music where research has been done to establish that pulse rate can be affected by music. Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. 5 years ago. Get up to 300 bonus credits with our tutoring packages! The bacterial component shows more variation, including representation from Acetobacter and Gluconacetobacterto turn ethanol into acetic acid (giving the sour, vinegar flavor)as well as Lactobacilluslactic acid-producing bacteriain some instances. 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. SIENE IA UIDE 8 info@lanternaeducation.com 23. 13. 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. Access them all! Read more about it here. 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. Interactions of Bacteria and Fungi on Decomposing Litter Biology . The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. How does the pH level of watering solution affect the growth and development of chickpea (Cicer arietinum) and mung bean (Vigna radiata) over a time period of 5 days indicated by the length of the stem measured? Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. 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 . Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. Biology IA Ideas with Independent Variables 1. 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. This gives the microbe an advantage when competing for food and water and other limited resources in a particular habitat, as the antibiotic kills off their . Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs. Is there an optimum intensity of warm up to achieve best performance? Comparing the Carbon Dioxide levels in the air exhaled after and before workout sessions. 3, Describe how the primary productivity of algae changes with temperature, algae concentration, other aquatic plants, salinity, nutrients, and any other variables you may want to consider. Despite so, there are still some that can cause bloody diarrhea, severe anaemia or kidney failure, all in which can lead to death. The existence of living organisms without cells. 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. Lower concentrations will slow respiration because of a lack of substrate. Proper research on your part is a bare minimum, and the rest follows. What is the most effective way of fighting an endemic? Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the. How does a sudden and intensive workout affect the heart rate, and to what extent does warm up have an impact on the maximum heart rate? We look forward to joining the Lanterna and being part of your success. Test how different household cleaning products affect seed germination! Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. The individual. 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! The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. Alternatively, sign up to our sites at www.studyib.net Lost your password? Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . 1678+ Video tutorials, 1226+ PDF IB Resources, 195+ Sample IAs, 148+ EEs, 8777+ Sample questions, 653+ quizzes, IB This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. 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. then this could be a very good study. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. 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? 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.
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