This page is a simple list of general biological ideas for investigations. This begs the question, is there an ideal concentration of sucrose for yeast growth? Experimental setup:Use a potometer to measure the rate of transpiration. What are you waiting for? Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? The distinctive features of human physiology. Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. 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. 0. are the criteria against which the investigation is assessed. The first step consists of spitting on the glass and adding a pinch of salt to it. 15, Analysing the impact of river pollution on marine life. It is important to set the Research Question in the background of the chosen topic. The data must be analysed by the student and tables / graphs etc. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. While having multiple trials is necessary for the investigation, each trial should also have multiple samples. Observe how changing the colour of the light source impacts the success of phototropism! Before you can grow bacteria, you'll need to prepare sterile culture dishes. 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. Antibiotics. Get your own tutor today! We use cookies to ensure that we give you the best experience on our website. Get for free what others have paid $100s in tuition Stir these together well: -teaspoon agar (1 1/5 grams) IA Overview. The individual. State your hypothesis; it is important in the context of your research. While these organisms inhibit the growth of many pathogenic bacteria and are also inten- tionally employed to ferment milk to make other dairy products such as yogurt and cheese, they can also induce Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! 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. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. You can visit www.ibbiologytutors.com to register for a FREE demo session.. Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. Water Bath Method - Loosen the agar bottle cap, but do not remove it completely. IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). 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. Investigating how tuberculosis's Incidence is related to a countrys Human Development Index(HDI) level. Dependent Variable: Degree of growth of plant towards a light source. To find out more, see our. should include all the normal conventions of d.p. 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! Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. 8, How do the buffering actions of milk, yogurt, juices, detergents etc. LinkedIn, IBDP Maths: Applications & Interpretation, Changes in the Biology Guide for 2025 exams, Video introduction to Learning activities, Distance learning using InThinking Biology, Setting written tasks using pdf worksheets, Teacher activity - Mastering student access, The origin of cells and cell division 1.5 + 1.6, Molecular biology: Activities for Learning, Molecules to metabolism - planning sheet 2.1, Carbohydrates and Lipids - planning sheet 2.3, Structure of DNA and RNA - planning sheet 2.6, Hairy Hands - genetics of mid-digital hair, Genetic modification - planning sheet 3.5, Species & communities - Planning sheet 4.1, Classification of biodiversity - planning 5.3, Reclassification of figworts using cladistics, Emergency room activity - enzyme inhibition, Electron transport chain - revision games, HL Plant Biology - Activities for Learning, Reproduction in plants - planning sheet 9.4, HL Animal Physiology Activities for Learning, Antibody & vaccination - planning sheet 11.1, Sexual Reproduction - 11.4 planning sheet, Option A - Neurobiology - Activities for learning, Neuropharmacology HL - planning sheet A.5, Option B - Biotechnology and bioinformatics, Organisms in industry Topic - Planning sheet B1, Batch fermentation and continuous culture, Biotechnology in agriculture - planning sheet B2, Cryptic messages - bioinformatics introduction, Environmental protection - planning sheet B3, Option C - Ecology Activities for learning, Species & communities - planning sheet C1, Communities & Ecosystems - planning sheet C2, Conservation of biodiversity - planning sheet C4, Option D - Human physiology Activities for learning, Respiratory gases - planning sheet HL D.6, Individual investigation - skills introduction, IA avoiding common errors - model answers, IA Experiments that could be done at home, Investigating strawberries with a glucose test meter. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. This was my Biology HL IA which was given a 21/24 by the IB. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. The existence of living organisms without cells. 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. We know that our topic has to be somewhat related to the syllabus, but where should we focus? Topics about Biology, we've collected for you from our best Biology papers samples! Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. 12, What happens after the best-by date of dairy products? These five biology research topics are for graduate-level students, catering specifically to those in top programs around the country: What evidence is there of a pandemic that can wipe out half of the world's population? How do different kinds of toothpaste compare? Halophytes grow in Salty conditions whereas normal plants dont. In line with the IB Learner Profile, "Act with integrity and honesty". 6 years ago. Biology IA Ideas with Independent Variables 1. There are plenty of factors to control which makes this investigation difficult and if there isn't enough data or the controls are not in place this could lead to a low mark after much work. To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. 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. Toothpaste is supposed to block bacterial growth. Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. In this investigation a change in a physiological feature is explored. If you are a student and wish to access these resources, ask your school to subscribe. 16, Determine the effect of glucose concentration on the rate of osmosis. . http://www.xrite.com/online-color-test-challenge. It is imperative to acknowledge the safety protocols as established by IB and consider the ethical aspects of your investigation. 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. Understanding how a particular abiotic factor affects the biodiversity in a habitat. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. The use of a transect of transects will be useful for the sampling. Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. Internal assessments make up for 20% of the grade and are all about scientific writing and research. Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. Click here to reset it. 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! Investigating muscle activity involved when standing on ones toes(Ballet dancers). 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. The internal assessment requirements are the same for biology, chemistry and physics. 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. The internal assessment requirements are the same for biology, chemistry and physics. Access them all! Lots of scope but not an easy investigation to complete in the time, in 12 pages. 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. Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. What effect do conditions, such as temperature, sunlight have on the rate of spoilage. Still feeling a bit uneasy about the task ahead? What is the most effective way of fighting an endemic? This FREE guide reveals the most powerful information for boosting your extended essay score and Lower concentrations will slow respiration because of a lack of substrate. Grab ideas, see examples and create own perfect Biology essay and research paper! Legal The 80 Most Common IB Biology Exam Questions! Maybe you can suggest that to your teacher? If there are any ethical implications to your report, how do you plan on minimizing the environmental impact of your experiment?. , its objectives, partwise breakdown, and what IB expects of you. 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. Preview 1 out of 13 pages Nice to see you here. 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. Do individuals of different types all behave in the same way to a stimulus. 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. 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. An ideal IA idea is one that reeks of originality and leaves room for proper investigation and analysis in the process. I did one on predator-prey relationships and in the end I modelled two sine graphs. How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to spoilage? 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. 1. 3. Exploring how the reaction times of humans get affected with age. How do different concentrations of lactases affect the breakdown of disaccharides like lactose in milk effectively? Take 10 micro liters of the cultured. 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. 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 clear RQ is essential and there are quite a few possibilities. location on shore. Remember! What's IB IA Program? Without further adieu, lets dive headfirst into 30+ IB Biology IA ideas for your Biology IA Investigation! The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. Change the different conditions in which the plants are found as well as the species. 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. In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. 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. Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. Studying how different carbohydrates in edibles impact the blood sugar levels in humans. 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. 1: Cell Biology 1.1: Introduction to Cells 1.2: Ultrastructure of Cells 1.3: Membrane Structure 1.4: Membrane Transport 1.5: The Origin of Cells 1.6: Cell Division 2: Molecular Biology 2.1: Molecules to Metabolism 2.2: Water 2.3: Carbohydrates and Lipids 2.4: Proteins 2.5: Enzymes 2.6: DNA and RNA 2.7: DNA Replication, Transcription and Translation Teens can work to find out why certain plants present certain colors. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. Use the epidemiological data to measure rates of change. 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. 14, What is the respective change of allele frequency when initial frequencies are manipulated? It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Experimental setup:Follow this link to for more information of modelling! Read more about it here, Independent Variables: Concentration of Sucrose. The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? Need inspo for Physics too? Independent, Dependent variables need to be highlighted, as should the hypothesis. On this note, we wish you all the very best for your IB Biology IA Journey :). Starting at deep purple, and ending at far red, write down the A values. This is a simple experiment to carry out, but a difficult experiment to get good controlled data for. disinfectant, rum, vodka, etc.). 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! Exploring how the Water Quality Index (WQI) is affected by water obtained from Chemical Industries/Sewage Treatment Plants. Comparing the buffering actions of various substances: antacids, milk, sodium bicarbonate, sodium carbonate, detergents, etc. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. Internal assessment criteria the new assessment model uses five criteria to assess the final report of the individual investigation with the following raw marks and weightings assigned: Complete this form and well match you with a Tutor to help you master your EE! 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of . Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. Can the max performance be measured best using max heart rate or maximum speed? 5 years ago. Interactions of Bacteria and Fungi on Decomposing Litter Biology . The procedure used should be well structured. 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? Clearly state your interest. All rights reserved. I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. This creates fermented products. Click, See Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs. Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. HL Biology IA Help! Population growth curves. Dependent Variable: Rate of Seed Germination. 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. This would be a challenge and it would require some research before beginning. How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? with peppered moth types. assessment, worth 20% of the final assessment, consists of one scientific investigation. 30+ New IB Biology IA Ideas. Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. IB Biology IA, Hydrolysis of starch using enzyme amylase 1st Method (SL) using white tile and stop watch How changing Temp/Salt conc 16. Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Controlling factors which can affect blood pressure could be an investigation in itself! Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. 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. All rights reserved. Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. The Aim answers Why while the Research Question answers the What. If you continue to use this site we will assume that you are happy with it. Place the bottle in hot water at 170-190 F until all of the agar is liquid. We have a team of awesome tutors ready to help you ace the IB. 30 Biology IA topic ideas to get your lab report started! which are specifically designed for self study and revision. 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. 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. 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? 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. 2. Test how different household cleaning products affect seed germination! 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. This investigation tries to establish a pattern between the weather and the spread of a disease. Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. 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. A full experimental setup can be found on this link. IA Advice & Ideas; Help! 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. IA investigation - teacher's marking activity, Metabolism Respn & Photosynthesis test HL, Metabolism Respn. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. IB Biology IA Ideas wont strike out of the blue, but heres a list of. The importance of agricultural microbiology. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. 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. Comparing the Carbon Dioxide levels in the air exhaled after and before workout sessions. Ventilation rate is a measure of how quickly you breathe. Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. How do you even choose a topic? Compost is made from dead plants and manure is the waste from animals. 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. Does the behaviour of an animal change as the population increases? The best investigations will have a biological reason why there might be a correlation between the IV and the DV. cactus) and a halophyte (eg. In order to do well in any science IA, you need to fulfil the criteria i.e. Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. Pour the bacteria onto the solidified agar plate. So there we have it! 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.