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. 6 years ago. 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. To make things as simple as possible for you, we've put together a list of biology research project ideas. 8, How do the buffering actions of milk, yogurt, juices, detergents etc. To find out more, see our. Do individuals of different types all behave in the same way to a stimulus. 3.2 The More Data, The Better. 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? Are you looking for some IB Biology Internal Assessment (IA) ideas? Still feeling a bit uneasy about the task ahead? In order to do well in any science IA, you need to fulfil the criteria i.e. Change the different conditions in which the plants are found as well as the species. Be unique and think about how it's interesting to YOU! 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. using potassium permanganate and heating, from a protocol from Science & plants for schools. 10, Can we slow down the decaying times of vegetables? How does increasing the concentration of Oxytetracycline in mg/L affect root elongation in cm of Citrus limon? 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. 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. At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. 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, See 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! To get started, you'll need to make your agar and fill some petri dishes. IA investigation - teacher's marking activity, Metabolism Respn & Photosynthesis test HL, Metabolism Respn. Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. 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. 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. 19, What is the difference in the CO2 levels exhaled before and after enduring physical exercise? 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. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. What is the most effective way of fighting an endemic? This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. 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. Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. These proportions make enough nutrient agar to prepare two petri dishes. Want some A-quality guidance? This is a simple experiment to carry out, but a difficult experiment to get good controlled data for. Contact, Twitter Your data shall be kept until you unsubscribe. promotional emails that we send to you. Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. Don't do it! Experimental setup:Follow this link to for more information of modelling! Access them all! 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. While having multiple trials is necessary for the investigation, each trial should also have multiple samples. One idea would be to make a series of soils using active compost and sand. Dont panic weve got you covered. 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. For strict autotrophic organisms - Only inorganic compounds. 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! A Selection of Topics for a Biology Essay. Similarly to the experiment on the rate of decay, you can also measure how quickly fruits ripen, and which factors affect this ripening. Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. Remember, the Independent variable is one that you are allowed to change(just one); the Dependent variable is one that you measure as it changes with the Independent variable; all the other experiment conditions must be kept constant to ensure that the experiment is fair. Challenges: Being consistent in assessing the fruit ripeness. 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. The Aim answers Why while the Research Question answers the What. Without further adieu, lets dive headfirst into 30+ IB Biology IA ideas for your Biology IA Investigation! Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. 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. . It is a complex branch of biology that studies the smallest units and the living organisms. The internal assessment requirements are the same for biology, chemistry and physics. Coli bacteria using a micro pipette. IA Review. at which many forms of bacteria thrive [9]. IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. 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. 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 . Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Remember any participants will need to give written consent before any experimenting, and the mild stress of exam conditions must be harmless. How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to 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. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Antibiotics. 9, Do our reaction times slow down with age? How does extract of the seeds and the leaves of the moringa plant (herbal medicine) show antifungal activity against the Malassezia yeast (Pittosporum) fungi that causes dandruff? . 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. 3. . Still feeling a bit uneasy about the task ahead? NOTES: Probiotics eat the lactose in milk through fermentation. Reply 7. Ventilation rate is a measure of how quickly you breathe. should include all the normal conventions of d.p. Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. Pour the bacteria onto the solidified agar plate. Is it possible to increase brainpower? Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). Here is a list of top 22 Biology Internal Assessment (IA) ideas: IB ++tutors is a Canadian company that is committed to providing global, high-quality IB private tutoring services by IB expert tutors. legislation, you have rights in relation to your data. This was my Biology HL IA which was given a 21/24 by the IB. 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: Either way, you have to connect to your topic and portray personal engagement as it lays the foundation for the rest of your investigation. Click here to learn more. 24. The distinctive features of human physiology. Investigation of the functioning of the eyes when using paper or different electronic screens. 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. Keep the research question brief and relevant. This is a bit more complex than a simple pulse rate investigation, but the challenge to control variables is equally great. Topics about Biology, we've collected for you from our best Biology papers samples! We hope our list of Internal Assessment Ideas was useful. Plants also play a significant role in the environment by influencing climate and producing life-giving oxygen. Exploring how the reaction times of humans get affected with age. 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 difficulty begins with identifying the genres in a scientific way. 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. Constraints, if any, need to be mentioned as well. About us Studying how different carbohydrates in edibles impact the blood sugar levels in humans. There are many possible variations, perhaps the presence of animal excrement could be the causal factor, otherwise some species may be more resistant to scratching and disturbance, caged animals can selectively graze on parts of a lawn, just to mention a few ideas. If the algae is green, then the maxima should be over in . Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. http://www.xrite.com/online-color-test-challenge. Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. location on shore. One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. A limitation with an experiment that finds the relationship between sodium ion concentration and the rate of neurogenesis in the hippocampus of the brain is that its results are not applicable to other parts of the nervous system. The Aim answers Why while the Research Question answers the What. (1 More IB Past Papers). 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? there Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew 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. Investigate how different species of plants respond differently to environmental stimuli. Lower concentrations will slow respiration because of a lack of substrate. 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. 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. Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. Facebook Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? assessment, worth 20% of the final assessment, consists of one scientific investigation. This creates fermented products. They are produced in nature by soil bacteria and fungi. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. There are some quite nice online tests of colour vision, and also many telephone apps. How do different kinds of toothpaste compare? Does the behaviour of an animal change as the population increases? Therefore, 5 trials with 5 samples each make up 25 samples in total. watch this thread. It is imperative to acknowledge the safety protocols as established by IB and consider the ethical aspects of your investigation. The existence of living organisms without cells. You can visit www.ibbiologytutors.com to register for a FREE demo session.. Several university Extension services are now offering easy-to-use websites for those . Experimental setup:Place a corn seed in a dark cupboard with a single light source. 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? 30 Biology IA topic ideas to get your lab report started! The biological functions of water. This could be compared to listening to music where research has been done to establish that pulse rate can be affected by music. 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? Also, be sure that you know all of the rules and regulations for your particular science fair before you begin your project. Internal assessments make up for 20% of the grade and are all about scientific writing and research. The problem of this investigation is that it is difficult to measure rehydration or salinity. Take inspiration from these and research further to land on that one idea that gets you going! NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. Experimental setup: In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. Remember! Tip 1: The level of interest matters. Some diseases spread through direct contact, others are transmitted by an insect vector. Majority of them are restricted to the intestine 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. Selecting an IBxq Biology IA idea has never been easier! Teens can work to find out why certain plants present certain colors. 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. Independent Variable: Temperature/Psychological Stress (scary movies? It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. Investigating muscle activity involved when standing on ones toes(Ballet dancers). You certainly dont want to miss out on these! At this point, all apparatus should have been properly set-up and the experimentations should be able to commence. Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. A clear RQ is essential and there are quite a few possibilities. 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. HL Biology IA Help! 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! What are you waiting for? | Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. The internal assessment requirements are the same for biology, chemistry and physics. 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. In some other cases E. coli can also cause urinary tract infections. It could be used in a wide range of labs. The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. This is a list of possible sites for students to use as online labs. compare? IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). The stages of embryonic development. and uncertainties. Perform the relevant analysis, keeping in mind the research question, and conclude. Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. How does the acidity of different beverages affect the deterioration of tooth enamel? A quart-sized bowl works great. How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? 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. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. terms of service. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth As the cell membrane disintegrates, alcohol can then enter the cell and . Canada: +1 (647) 249-7179USA (WhatsApp): +1 (678) [email protected], 407 Iroquois Shore Rd. The role of a warm up in sport is clear. A well. Posted October 26, 2015. There are obviously many different factors influencing the rate of ventilation, you can investigate which those are! 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. This begs the question, is there an ideal concentration of sucrose for yeast growth? 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. Top 80 Most Common IB Biology Exam Questions. Read more about quadrat sampling here, Independent Variable: Soil pH, Nitrates in Soil, Oxygen concentration, Dependent Variable: Presence or absence of certain species. 1. State your hypothesis; it is important in the context of your research. Challenge: Gathering enough data, Pollution affecting species growth. Alternatively, sign up to our sites at www.studyib.net There are lots of practical problems to overcome, most importantly how to change the soil so that it has different amounts of respiration. Population growth curves. 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. 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. Keep the research question brief and relevant. IA Biology HL 6 Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. This study could be an investigation of how effectively the toothpaste inhibits the growth of bacteria according to the scale of the chemicals in the toothbrush. Extract your own DNA. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at This FREE guide reveals the most powerful information for boosting your extended essay score and The development of biotechnology. Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . Copyright 2023 Nail IB. By siging up, I agree to Lanternas investigation should cover a topic that is commensurate with the level of the course of study. , its objectives, partwise breakdown, and what IB expects of you. Perhaps the muscles with a greater blood flow will cause a different effect to those in the bodies extremities, and what effect could warming up have on the process? The internal assessment requirements are the same for biology, chemistry and physics. Then is is going to be a challenge to design a method of data collection which controls all the possible variables. For instance, if you choose to investigate how light levels affect the predation of peppered moths, you could set a background of you have gained a fascination for that species ever since it was introduced to you for some explanation in your regular classes and eventually give more scientific basis for your choice. Controlling other factors which affect germination and collecting a large enough data set will also be good challenges for a Biology student to work out. Starting at deep purple, and ending at far red, write down the A values. Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. 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. 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. 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. Independent Variable:Temperature, Oxygen availability. Sometimes sites go ofline or change their address. 12 Investigation ideas with a biological twist. Subject to the conditions provided for by applicable Measuring theses factors might be tricky and will involve some testing, although using a phone camera or a video camera could help. 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. How does stomatal density change according light exposure of red and blue light? The climate is different at different altitudes and the growing season begins later at high altitude. Observe how changing the colour of the light source impacts the success of phototropism! Check out some Physics IA ideas here!11, What is the effect of the salt concentration on germination of different types of seeds? 5 years ago. Athletes perform better if they warm up properly before an event. IA Descriptors-1 - IA Descriptors for IB Biology; PDB-101 Molecule of the Month Ribosome; Hardy-Weinberg equation - example; Biology paper 1 HL n19; . Plant project studies allow us to learn about plant biology and potential usage for plants in other fields such as medicine, agriculture, and biotechnology. This could be a difficult investigation to do quantitatively unless there was a longer time period available to observe growth. Are you looking for some IB Biology Internal Assessment (IA) ideas? It is important to set the Research Question in the background of the chosen topic. Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. Heres a link to a scientific article that did something very similar, copy their method. The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. Toothpaste is labelled according to how natural or how chemical the contents are. location on shore. How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? Homemade extraction of your own DNA. Different plants will change their transpiration rates in response to the environment. 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. They investigate the hypothesis that. If you continue to use this site we will assume that you are happy with it. Lactobacilli reproduction and growth is the cause of milk spoilage. The best investigations will have a biological reason why there might be a correlation between the IV and the DV. How do cleaning products affect the growth of house plants? I'll do so in a series of questions that will help you probe deeper into your IA. Independent Variable: Age, Tiredness, Gender, Eye Colour. 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. Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. The data must be analysed by the student and tables / graphs etc. The IB advise student and teachers, each year, to avoid this sort of lab. Take 10 micro liters of the cultured. We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. There are some ethical questions involved too, and parental consent will be essential for any experiments on children. We have a team of awesome tutors ready to help you ace the IB. I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. Get up to 300 bonus credits with our tutoring packages! [], or you can call us here at: +44 20 4571 0455. Different plants that live in different conditions will have different requirements for gas exchange. Click here (amylase) or Click here ( pancreatin amylase) from Carolina. Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. A full experimental setup can be found on this link. Level of passive aggression in individual sportsmen is found higher. to inspire and stimulate your grey cells! 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. At the end of a long endurance event cramps and muscle fatigue will be evident but this is not possible to recreate in the lab in school. 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. Lost your password? 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.