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. SIENE IA UIDE 8 info@lanternaeducation.com 23. So there we have it! Access them all! Exploring how the height of plants is affected by Nitrogen or Fluoride based fertilizers used. The best investigations will have a biological reason why there might be a correlation between the IV and the DV. Test how different household cleaning products affect seed germination! 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. Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? The Aim answers Why while the Research Question answers the What. Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. How the rate of decay affects temperature, water & oxygen - BBC Biology IA Checklist 2022: Step by Step Guide for a Perfect IA - IB Better The task will have the same assessment criteria for SL and HL. 17, What is the effect of pests on the diversity of plants in a lawn? Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. Keep the research question brief and relevant. . Don't do 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! My IA was on bacteria by the way if you have any questions. 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. 3.2 The More Data, The Better. PDF Probiotic Frozen Yogurt - Mahidol University Legal These proportions make enough nutrient agar to prepare two petri dishes. To make things as simple as possible for you, we've put together a list of biology research project ideas. Click, See 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. Get up to 300 bonus credits with our tutoring packages! Independent Variable: Temperature/Psychological Stress (scary movies? DP Biology: Mobile phone bacteria experiment The data must be analysed by the student and tables / graphs etc. Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. The stages of embryonic development. compare? On this note, we wish you all the very best for your IB Biology IA Journey :). I did one on predator-prey relationships and in the end I modelled two sine graphs. Toothpaste is supposed to block bacterial growth. classes to learn/preach! 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. IB Biology Internal Assessment - AMAZING WORLD OF SCIENCE WITH MR. GREEN Browse. The existence of living organisms without cells. Read more about it here, Independent Variables: Concentration of Sucrose. Some of the challenges of this type of investigation will be controlling other factors which affect the growth of plants. 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? Lost your password? IB Biology IA Ideas wont strike out of the blue, but heres a list of. IB Acronym Glossary - Please help IB Community :) Exploring root hair cells and finding their visibility with age. How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. Perhaps one of these other variables will be a better variable to investigate instead of music. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). 22 Biology IA Topic Ideas | IB | ++tutors IB Biology IA, EE on enzymes kinetics amylase using Visible spectrophotometer EE and IA on enzyme study is safe, easy and doable for IB students Starch digestion using Amylase Source for amylase from bacteria, malt or salivary amylase. 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. Remember any participants will need to give written consent before any experimenting, and the mild stress of exam conditions must be harmless. biology IA --- bacteria ? - Biology and ESS - IB Survival Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs. 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. At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. 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. Remember that these samples are meant to give direction and ideas. 14, What is the respective change of allele frequency when initial frequencies are manipulated? Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. 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 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 :) How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? Exploring how the reaction times of humans get affected with age. A well. Lactobacilli reproduction and growth is the cause of milk spoilage. Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . IB Biology IA: Enzymes - IB Biology IA: Enzymes - Stuvia US Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! 16, Determine the effect of glucose concentration on the rate of osmosis. promotional emails that we send to you. 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. 1. [], or you can call us here at: +44 20 4571 0455. Natural selection - lab bench Which type of water fleas escape predators best? The 80 Most Common IB Biology Exam Questions! Your data shall be kept until you unsubscribe. Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. there Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. 30, Exploring mollusc shapes with regards to an external variable e.g. opening the floodgates to that sweet 45! Bananas lend themselves to this because their skin changes colour. Then is is going to be a challenge to design a method of data collection which controls all the possible variables. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. Bacterial Growth and Nutrition | Biology Ideas | Microbiology Media What is the most effective way of fighting an endemic? We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. 1678+ Video tutorials, 1226+ PDF IB Resources, 195+ Sample IAs, 148+ EEs, 8777+ Sample questions, 653+ quizzes, IB This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. (16 More IB Resources), See [], We all know that scoring superbly on internal assessments is a great way to boost our IB grades. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Personal engagement, Exploration, Analysis, Evaluation, and Communication are the criteria against which the investigation is assessed. Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. Heres a useful link for ventilation rates. Plant project studies allow us to learn about plant biology and potential usage for plants in other fields such as medicine, agriculture, and biotechnology. I got a 7 for Biology HL and my IA was awarded a 22/24. (DOC) BIOLOGY Practice IA | Riona Claire - Academia.edu Experimental setup:Find a xerophyte (eg. You will find 100 topics on various subjects below. This is a list of possible sites for students to use as online labs. In accordance reply. 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? One nice idea might be to see if the growth in the lungs' vital capacity correlates better with the circumference of the skull or the length of the legs in children of different ages. What effect does temperature have on the ripening process of a fruit?. Then, add some liquid soap (like the one you use for washing the dishes), juice from a grapefruit, and . A Selection of Topics for a Biology Essay. which are specifically designed for self study and revision. Lower concentrations will slow respiration because of a lack of substrate. Take 10 micro liters of the cultured. The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth 5 years ago. Read more about it here. Need inspo for Physics too? 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Effect of Mouthwash on Bacteria | Experiment - UKEssays.com Growing Bacteria in Petri Dishes - Biology Experiment - The Lab Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. At Lanterna we have hundreds of tutors who smashed Biology. 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of . 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. State your hypothesis; it is important in the context of your research. Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. Antibiotics | Microbes and the human body | Microbiology Society 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. The IB advise student and teachers, each year, to avoid this sort of lab. 170+ Biology Research Topics for Students - EduBirdie.com If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. 8, How do the buffering actions of milk, yogurt, juices, detergents etc. The climate is different at different altitudes and the growing season begins later at high altitude. 15, Analysing the impact of river pollution on marine life. 30 Biology IA topic ideas to get your lab report started! Exploring how the Water Quality Index (WQI) is affected by water obtained from Chemical Industries/Sewage Treatment Plants. This investigation is going to require a very precise research question and some careful methodology to ensure that the data collected can be used to answer the RQ. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. Reply The challenge will be in deciding which concentrations to test and in explaining the results. This is nice project if there is a specific environmental gradient in the site being investigated. 150 Actual Biology Research Paper Topics - PapersOwl.com Along with a bundle of Past Papers, these premium SL notes include guides for your Extended Essay and Internal Assessments with helpful examples! It is a complex branch of biology that studies the smallest units and the living organisms. Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. To get started, you'll need to make your agar and fill some petri dishes. The problem of this investigation is that it is difficult to measure rehydration or salinity. The distinctive features of human physiology. legislation, you have rights in relation to your data. 30 Biology IA topic ideas to get your lab report started! Some preparation time will be required to germinate and plant the seeds. 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. Different plants will change their transpiration rates in response to the environment. The role of a warm up in sport is clear. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. The individual. Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. at which many forms of bacteria thrive [9]. Experimental setup:Place a corn seed in a dark cupboard with a single light source. 16. This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. 30+ New IB Biology IA Ideas. Halophytes grow in Salty conditions whereas normal plants dont. Independent, Dependent variables need to be highlighted, as should the hypothesis. If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. . Population growth curves. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. Some diseases spread through direct contact, others are transmitted by an insect vector. 24. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. 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. Investigate how different species of plants respond differently to environmental stimuli. The internal assessment requirements are the same for biology, chemistry and physics. Be unique and think about how it's interesting to YOU! The external assessment of biology consists of three written papers. This is an interesting topic of investigation which relates to osmosis and ecology. DP Biology: 30 investigation ideas for Biology IA In this investigation a change in a physiological feature is explored. using potassium permanganate and heating, from a protocol from Science & plants for schools. 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. All rights reserved. Student work is internally assessed by the teacher and externally moderated by the IB. 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? newsletters and promotional offers. There could be some biology theory applied to the plants leaves, or roots. 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. 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. Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. Change the different conditions in which the plants are found as well as the species. Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. What effect do conditions, such as temperature, sunlight have on the rate of spoilage. IB Biology IA example: 21/24 Biology HL IA on Mitotic Index - Clastify Investigating muscle activity involved when standing on ones toes(Ballet dancers). Maybe you can suggest that to your teacher? Unit 8, Suite V4Oakville, Ontario,CanadaL6H 1M3. The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. We hope our list of Internal Assessment Ideas was useful. Subject to the conditions provided for by applicable Where do you even begin such a task? Of course there will be other factors to consider, for example local feature of the habitat where the plants are growing and the aspect of the flowers' location, not to mention grazing and grass cutting. To seek where great ideas come from and change the way teachers/students learn in the 21st century. (Use egg as imitation of tooth). 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? 12, What happens after the best-by date of dairy products? Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). 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. 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! Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. For this experiment, youll investigate how different variables affect the rate of decay! 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. 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. HL Psychology or HL History? In addition to that, the IA explores how inhibitor ethanol affects the rate of the reaction. Perform the relevant analysis, keeping in mind the research question, and conclude. The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. 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'. Homemade extraction of your own DNA. Click here to reset it. How does the composition of soil affect the growth of runner Plants from the original plant? tillu22. Starting at deep purple, and ending at far red, write down the A values. 5 DIY Biology Experiments You Can Easily Do at Home - Labiotech.eu Biology_IA.pdf - IB Biology HL II - Internal Assessment How do you even choose a topic? and uncertainties. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. Compost is made from dead plants and manure is the waste from animals. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. Outline the Equipment, time, and resources to keep a check on its feasibility. Dependent Variable: Degree of growth of plant towards a light source. Biology IA | PDF | Escherichia Coli | Bacteria - Scribd What are you waiting for? Heres a link to a scientific article that did something very similar, copy their method. Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. This is a simple experiment to carry out, but a difficult experiment to get good controlled data for. 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? 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. 17. Biology IA (NOTES) - ibmynotes All rights reserved. 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? The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. Auxin hormone is largely responsible for controlling the direction of plant growth. Biology HL IA Idea Proposal - Bacteria vs Fertilizer - Stuvia Majority of them are restricted to the intestine cactus) and a halophyte (eg. 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. IA Design - IB Chemistry Biology IA Independent Variable: Halophyte seed vs Normal Plant seed. Senior Scientist | Biology-Discovery - Animal Health Personal engagement, exploration, analysis, evaluation, and communication. It is imperative to acknowledge the safety protocols as established by IB and consider the ethical aspects of your investigation. Avoid this type of investigation, . 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? There are some ethical questions involved too, and parental consent will be essential for any experiments on children. Place all 5 of the red apples into the test tubes (1 piece for each test tube). The Aim answers Why while the Research Question answers the What. If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. If the algae is green, then the maxima should be over in . 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. 100 Biology Research Topics Ideas For Students Experiment with Fermentation using Kombucha - RockEDU Read more about it here. 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. , its objectives, partwise breakdown, and what IB expects of you. They investigate the hypothesis that. 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. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Does it matter what type of light the plant is exposed to affect the growth of auxin? To measure the rate, you can either measure how quickly different species grow, or one of the other factors described below. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. Luckily, theres so many great topics to choose from, and we've asked some of our top team to note down some topics that might inspire your own incredible research! 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. 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. 14. Get for free what others have paid $100s in tuition Biology IA Checklist for HL & SL The International Baccalaureate Biology Internal Assessment makes up 20% of the final grade achieved by Biology HL and Biology SL students. Comparing boys and girls for example will be impossible, unless the sample size is very large. Microorganisms | Free Full-Text | Leukocyte Response to Campylobacter