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IB Biology IA Ideas wont strike out of the blue, but heres a list of. Grab ideas, see examples and create own perfect Biology essay and research paper! Therefore, 5 trials with 5 samples each make up 25 samples in total. This could be a difficult investigation to do quantitatively unless there was a longer time period available to observe growth. The development of biotechnology. Compost is made from dead plants and manure is the waste from animals. 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. 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. This is a list of possible sites for students to use as online labs. 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 :) The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth investigation should cover a topic that is commensurate with the level of the course of study. Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. Student work is internally assessed by the teacher and externally moderated by the IB. If you continue to use this site we will assume that you are happy with it. Topics about Biology, we've collected for you from our best Biology papers samples! The procedure used should be well structured. 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. This is nice project if there is a specific environmental gradient in the site being investigated. 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. 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. Is it possible to increase brainpower? 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. Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? 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. If there are any ethical implications to your report, how do you plan on minimizing the environmental impact of your experiment?. It is a complex branch of biology that studies the smallest units and the living organisms. to inspire and stimulate your grey cells! Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. Selecting an IBxq Biology IA idea has never been easier! with current laws and regulations, you can unsubscribe at any time by clicking on the link in At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. Stomata are the areas of gas exchange in leaves. SIENE IA UIDE 8 info@lanternaeducation.com 23. Read more about quadrat sampling here, Independent Variable: Soil pH, Nitrates in Soil, Oxygen concentration, Dependent Variable: Presence or absence of certain species. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. There are lots of practical problems to overcome, most importantly how to change the soil so that it has different amounts of respiration. Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. Constraints, if any, need to be mentioned as well. 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. Perhaps one of these other variables will be a better variable to investigate instead of music. Remember that these samples are meant to give direction and ideas. Still feeling a bit uneasy about the task ahead? Nice to see you here. These are just some of the questions which will need answering. The biological explanation of why blood pressure might change when reading may be tenuous. then this could be a very good study. 5, Effect of BMI on skin surface temperature in various body areas on rate of recovery once exposed to cold. A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. Majority of them are restricted to the intestine For strict autotrophic organisms - Only inorganic compounds. 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. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. IB Biology IA, Hydrolysis of starch using enzyme amylase 1st Method (SL) using white tile and stop watch How changing Temp/Salt conc Need inspo for Physics too? Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. IB Acronym Glossary - Please help IB Community :) 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. Internal assessments make up for 20% of the grade and are all about scientific writing and research. The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. The video breaks down the c. I did one on predator-prey relationships and in the end I modelled two sine graphs. 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. Legal It could be used in a wide range of labs. Browse. Click here to learn more. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. 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 internal assessment requirements are the same for biology, chemistry and physics. HL Psychology or HL History? While having multiple trials is necessary for the investigation, each trial should also have multiple samples. Which pigments are made first in a growing leaf, or are all the pigments made at the same time? 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 . Want some A-quality guidance? 2, Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. The climate is different at different altitudes and the growing season begins later at high altitude. What effect do conditions, such as temperature, sunlight have on the rate of spoilage. Click, See Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. It belongs to the family of Enterobacteriaceae where most of them are harmless. 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. Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. Investigate how different species of plants respond differently to environmental stimuli. What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? My IA was on bacteria by the way if you have any questions. Measuring the change in iron levels of avocados as they go through different ripening stages 25. 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 . How does stomatal density change according light exposure of red and blue light? 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. Does the behaviour of an animal change as the population increases? A full experimental setup can be found on this link. The role of a warm up in sport is clear. IB Biology curriculum expects you to appreciate scientific problems in a global context with stimulating opportunities, and IB Biology IAs help you accomplish just that. Photo. If you are still not dissuaded then be sure to collect enough data and try to be analytical, don't mix types of music and tempos of music and try to keep the investigation to some biological cause or effect. Get your own tutor today! 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. terms of service. location on shore. If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. These proportions make enough nutrient agar to prepare two petri dishes. Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? 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. 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. Selecting an IBxq Biology IA idea has never been easier! 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. 8, How do the buffering actions of milk, yogurt, juices, detergents etc. 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. Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! 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. We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. Use a clean, microwave-safe container to mix the agar with water and then boil it. Ecological techniques and quadrat sampling could be used together with mapping of digging or scratching to establish whether the presence of a pet increases plant diversity or not. If the algae is green, then the maxima should be over in . These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. Experimental setup:Place a corn seed in a dark cupboard with a single light source. This is a nice wet laboratory project and there are some simple ways to measure the growth of the bacteria but these can be fiddly to work out, and concentrations of bacteria used in inoculations will need working out. Water Bath Method - Loosen the agar bottle cap, but do not remove it completely. 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. Let's help inspire M22 students since it's already IA season! Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. What's IB IA Program? So there we have it! The external assessment of biology consists of three written papers. The internal. Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. The evolution of parasites. Studying the effect of enzymes on Cheese production. 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. newsletters and promotional offers. CareerBuilder TIP. Proper research on your part is a bare minimum, and the rest follows. Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. 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). 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? Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. Unit 8, Suite V4Oakville, Ontario,CanadaL6H 1M3. Clearly state your interest. 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. Browse these for more information! 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? There are some ethical questions involved too, and parental consent will be essential for any experiments on children. 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. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. 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! 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. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. How does cumin and turmeric powder, in comparison to indigestion tablets, affect the rate of neutralization of hydrochloric acid, measured by the difference of change of pH levels in 5 minutes? On this note, we wish you all the very best for your IB Biology IA Journey :). The task will have the same assessment criteria for SL and HL. Natural selection - lab bench Which type of water fleas escape predators best? Experimental setup:In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. For this experiment, youll investigate how different variables affect the rate of decay! HL Biology IA Help! [], or you can call us here at: +44 20 4571 0455. 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 Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). It is all the same when choosing that one Biology IA idea from a platter full of inspiration. 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. This page is a simple list of general biological ideas for investigations. 19, What is the difference in the CO2 levels exhaled before and after enduring physical exercise? Place all 5 of the red apples into the test tubes (1 piece for each test tube). Lactobacilli reproduction and growth is the cause of milk spoilage. using potassium permanganate and heating, from a protocol from Science & plants for schools. Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! 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. The challenge will be in deciding which concentrations to test and in explaining the results. The individual. Different plants will change their transpiration rates in response to the environment. Subscribe and get the latest IB guides, notes,news, tips and product updates. At Lanterna we have hundreds of tutors who smashed Biology. I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. Browse thousands of Internal Assessment, Extended Essay, and TOK examples. This is a bit more complex than a simple pulse rate investigation, but the challenge to control variables is equally great. But how do antibiotics affect the growth or successful germination of plants? IA Review. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? 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. Alcohol is a common active ingredient in many of the commercial mouth washes. Experimental setup:Use a potometer to measure the rate of transpiration. 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. Report. These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. 14. Change the different conditions in which the plants are found as well as the species. The practice of making sourdough is as ancient as bread itself. 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. Don't do it! Dependent Variable: Degree of growth of plant towards a light source. It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! 2. 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. 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. Does it matter what type of light the plant is exposed to affect the growth of auxin? 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. Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. It is important that you do the work yourself and not just copy the material. They investigate the hypothesis that. How does the percentage of salinity in water affect the rate of growth of radishes in mass? Originally Answered: what are some examples of good biology IA's? How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to spoilage? When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. There are obviously many different factors influencing the rate of ventilation, you can investigate which those are! In line with the IB Learner Profile, "Act with integrity and honesty". http://www.xrite.com/online-color-test-challenge. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? The internal assessment requirements are the same for biology, chemistry and physics. 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. IA Biology HL 6 However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. 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. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. 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! To make things as simple as possible for you, we've put together a list of biology research project ideas. Interactions of Bacteria and Fungi on Decomposing Litter Biology . At this point, all apparatus should have been properly set-up and the experimentations should be able to commence. 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. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Contact, Twitter 16, Determine the effect of glucose concentration on the rate of osmosis. Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. 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. Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. Some preparation time will be required to germinate and plant the seeds. Biology IA Ideas with Independent Variables 1. legislation, you have rights in relation to your data. Also, be sure that you know all of the rules and regulations for your particular science fair before you begin your project. assessment, worth 20% of the final assessment, consists of one scientific investigation. Several university Extension services are now offering easy-to-use websites for those . Studying how different carbohydrates in edibles impact the blood sugar levels in humans. Reply If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. 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! Learn everything you need to get a 7 in your IB subjects with our online courses. Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the. Challenges: Being consistent in assessing the fruit ripeness. location on shore. Neither should the idea be too generic and nor too simplistic. Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. 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.