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. The intra-abdominal Campylobacter infection model facilitates the characterization of peripheral blood leukocyte . 16, Determine the effect of glucose concentration on the rate of osmosis. investigation should cover a topic that is commensurate with the level of the course of study. Investigating muscle activity involved when standing on ones toes(Ballet dancers). . Maybe you can suggest that to your teacher? Report. The existence of living organisms without 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. Subscribe and get the latest IB guides, notes,news, tips and product updates. On 10/25/2014 at 9:58 AM, AndovarEdoras said: On 10/25/2014 at 9:02 AM, mariiia said: you can do something with the rate at which cells/bacteria/etc multiply, which I think is population growth so it would involve natural logarithms and exponential curves at least. it might even be possible to use mesocosms to perform this investigation as these would make it easier to control more of the other variables. Copyright 2023 Nail IB. The 80 Most Common IB Biology Exam Questions! We hope our list of Internal Assessment Ideas was useful. Take 10 micro liters of the cultured. How do you even choose a topic? Plants also play a significant role in the environment by influencing climate and producing life-giving oxygen. The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth The climate is different at different altitudes and the growing season begins later at high altitude. Take inspiration from these and research further to land on that one idea that gets you going! Human benchmark lab - Quite a nice small set of tests, including reaction times, Mean arterial pressure calculator online - a useful little calculator, Sciencelab Chemical data sheets MSDS (Materials Safety data sheets) - useful for risk assessments, document.write(new Date().getFullYear()) InThinking At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. In some other cases E. coli can also cause urinary tract infections. 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. HL Biology IA Help! Plant project studies allow us to learn about plant biology and potential usage for plants in other fields such as medicine, agriculture, and biotechnology. The difficulty begins with identifying the genres in a scientific way. Coli bacteria using a micro pipette. opening the floodgates to that sweet 45! Exploring how the reaction times of humans get affected with age. By submitting this form, I agree to the data entered being used by Nail IBNSW for sending The problem of this investigation is that it is difficult to measure rehydration or salinity. Heres a useful link for ventilation rates. Check out some Physics IA ideas here!11, What is the effect of the salt concentration on germination of different types of seeds? 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. 17. promotional emails that we send to you. )/ Studying, Dependent variable:Ventilation rate. Alcohol is a common active ingredient in many of the commercial mouth washes. Before you can grow bacteria, you'll need to prepare sterile culture dishes. Browse these for more information! We know that our topic has to be somewhat related to the syllabus, but where should we focus? In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. There needs to be some clear links to the biology of blood pressure and how exercise affects it. IA Descriptors-1 - IA Descriptors for IB Biology; PDB-101 Molecule of the Month Ribosome; Hardy-Weinberg equation - example; Biology paper 1 HL n19; . Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. 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. 13. 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. Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. 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 Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. 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? Dependent Variable: Rate of Seed Germination. IB Acronym Glossary - Please help IB Community :) This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? 10, Can we slow down the decaying times of vegetables? 14, What is the respective change of allele frequency when initial frequencies are manipulated? 3. . cactus) and a halophyte (eg. Challenges: Providing biological context for why youre measuring certain factors. 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. Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? 12 Investigation ideas with a biological twist. Does the behaviour of an animal change as the population increases? To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! They are the foundation of food chains in almost every ecosystem. 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! Of course, you can use any of our topics for free. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). Antibiotics are used to treat plants for bacteria. 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. 16. legislation, you have rights in relation to your data. At this point, all apparatus should have been properly set-up and the experimentations should be able to commence. The best investigations will have a biological reason why there might be a correlation between the IV and the DV. 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. The use of a transect of transects will be useful for the sampling. . 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. What has inspired you to do that topic? Personal engagement, exploration, analysis, evaluation, and communication. Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. 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 . Legal We use cookies to ensure that we give you the best experience on our website. Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. 30 Biology IA topic ideas to get your lab report started! Get up to 300 bonus credits with our tutoring packages! Use it to spread the bacteria across the surface of the Petri dish while rotating it. Then is is going to be a challenge to design a method of data collection which controls all the possible variables. 30+ New IB Biology IA Ideas. Independent Variables: Different toothpaste manufacturers (Colgate vs Sensodyne vs Crest vs Aquafresh), Dependent Variable: Success of bacterial growth (seen by growth on an agar plate), Milk goes off because of lactobacilli reproduction and growth. As the cell membrane disintegrates, alcohol can then enter the cell and . How does different sodium chloride concentrations affect seed germination in the bougainvillea plant? 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. Along with a bundle of Past Papers, these premium SL notes include guides for your Extended Essay and Internal Assessments with helpful examples! 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. To find out more, see our. 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. Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. The video breaks down the c. 17, What is the effect of pests on the diversity of plants in a lawn? We have a team of awesome tutors ready to help you ace the IB. 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'. . 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. What's IB IA Program? Need inspo for Physics too? The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. Are you struggling with choosing your topic for your IB Biology IA? Independent Variable: Halophyte seed vs Normal Plant seed. The internal assessment requirements are the same for biology, chemistry and physics. 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. 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. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. http://www.xrite.com/online-color-test-challenge. 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. For strict autotrophic organisms - Only inorganic compounds. should include all the normal conventions of d.p. Perhaps another research question will be better, something linked to hormones, or to physical activity. NOTES: Probiotics eat the lactose in milk through fermentation. terms of service. The first step consists of spitting on the glass and adding a pinch of salt to it. You have to show that the data has been carefully selected, and that measures have been taken to ensure that other factors which might affect the data have been controlled, by careful selection of the data used. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. Whether you are looking for immediate help for IB Biology internal assessments ideas, online tutoring for any IB subject including biology or best study material for any IB group 1 to IB . Remember that these samples are meant to give direction and ideas. 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. Grab ideas, see examples and create own perfect Biology essay and research paper! Change the different conditions in which the plants are found as well as the species. 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. Toothpaste is labelled according to how natural or how chemical the contents are. The internal. The effect of pets on the diversity of plants in a garden lawn. Independent Variable:Temperature, Oxygen availability. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. 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! Bananas lend themselves to this because their skin changes colour. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. CareerBuilder TIP. Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. These Biology IA Ideas Will Help You Get A High Grade In Your Biology IA. HL Psychology or HL History? 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. Click here to reset it. 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. It is a complex branch of biology that studies the smallest units and the living organisms. 2. Studying the effect of enzymes on Cheese production. Is there an optimum intensity of warm up to achieve best performance? Decomposing bacteria and fungi are organisms that help the process of decomposition. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. To measure the rate, you can either measure how quickly different species grow, or one of the other factors described below. Get for free what others have paid $100s in tuition Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. Below you will find science fair project ideas primarily related to biology. (16 More IB Resources), See A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. Here the challenge is the exploration section. The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. 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? Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Different plants that live in different conditions will have different requirements for gas exchange. 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? In addition to that, the IA explores how inhibitor ethanol affects the rate of the reaction. This sounds like an easy investigation but it is tricky because first there needs to be some biological reason why the heart should speed up in the presence of music and this is impossible to explain with IB Biology. Browse. The individual investigation should cover a topic that is commensurate with the level of the course of study. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Without further adieu, lets dive headfirst into, (Metabolism, Cell Respiration, Photosynthesis), Want some A-quality guidance? Controlling factors which can affect blood pressure could be an investigation in itself! They cause our teeth to rot, shaping plaque and causing awful breath. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. Experimental setup:Follow this link to for more information of modelling! These proportions make enough nutrient agar to prepare two petri dishes. Other possibilities are paper simulations, e.g. Then, add some liquid soap (like the one you use for washing the dishes), juice from a grapefruit, and . The release of CO2 by the body in the lungs is not simple either, factors to consider include the relative amounts of aerobic and anaerobic respiration, as well as the position of the muscles being exercised. This might involve the use of a data logger, or perhaps a titration using bromothymol blue. 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. using potassium permanganate and heating, from a protocol from Science & plants for schools. Studying how different carbohydrates in edibles impact the blood sugar levels in humans. Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. Along with a bundle of, with helpful examples! Passion is fundamental in research, after all. 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. What are you waiting for? Use a clean, microwave-safe container to mix the agar with water and then boil it. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. Lower concentrations will slow respiration because of a lack of substrate. Halophytes grow in Salty conditions whereas normal plants dont. Ensuring that there is enough data will also be important as there are likely to be quite a few other factors which will need controlling or considering at least. The task will have the same assessment criteria for SL and HL. Hurry, this offer ends on January 17th!

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