biology ia ideas bacteria

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. Place all 5 of the red apples into the test tubes (1 piece for each test tube). Independent Variable:Temperature, Oxygen availability. It is important to set the Research Question in the background of the chosen topic. 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. Proper research on your part is a bare minimum, and the rest follows. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. This is nice project if there is a specific environmental gradient in the site being investigated. The different pH levels are pH 1, 3, 5, 7, 11, and 14. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. Read more about it here. 3.2 The More Data, The Better. The will (hopefully) impact the success of germination. Biology HL IA Idea Proposal - Bacteria vs Fertilizer - Stuvia Preview 1 out of 13 pages The video breaks down the c. Coli bacteria using a micro pipette. 2. Therefore, it's super important that your IB Biology IA gets as high a mark as possible. What's IB IA Program? If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! Topics about Biology, we've collected for you from our best Biology papers samples! Subject to the conditions provided for by applicable Test how different household cleaning products affect seed germination! 23 Ideas for Science Experiments Using Plants - ThoughtCo Homemade extraction of your own DNA. A full experimental setup can be found on this link. Alternatively, sign up to our sites at www.studyib.net InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Personal engagement, exploration, analysis, evaluation, and communication. The practice of making sourdough is as ancient as bread itself. Measuring the change in iron levels of avocados as they go through different ripening stages 25. Browse. 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. Internal assessments make up for 20% of the grade and are all about scientific writing and research. The procedure used should be well structured. Are you struggling with choosing your topic for your IB Biology IA? Biology IA Ideas with Independent Variables 1. For strict autotrophic organisms - Only inorganic compounds. I'll do so in a series of questions that will help you probe deeper into your IA. Test the stomatal density of different leaves exposed to variable conditions using a microscope. The Aim answers Why while the Research Question answers the What. 25 Unique Biology IA Ideas - Think Smart Tutoring A List Of Great Topics For A Biology Extended Essay - Christian Paul Lower concentrations will slow respiration because of a lack of substrate. Exploring root hair cells and finding their visibility with age. 3. . there Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew Stir these together well: -teaspoon agar (1 1/5 grams) 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. HL Biology IA (23/24) - The Science Codex 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. Let's help inspire M22 students since it's already IA season! 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 creates fermented products. 24. 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. This page is a simple list of general biological ideas for investigations. Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. Exploring how the height of plants is affected by Nitrogen or Fluoride based fertilizers used. These are just some of the questions which will need answering. 3. . Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. Interactions of Bacteria and Fungi on Decomposing Litter Biology . Student work is internally assessed by the teacher and externally moderated by the IB. 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. A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. How does the percentage of salinity in water affect the rate of growth of radishes in mass? The practical methods to germinate seeds and select appropriate salt concentrations will present definite challenges but this is an interesting study for students living near the coast, or in places where salt is applied to the roads in winter. Despite so, there are still some that can cause bloody diarrhea, severe anaemia or kidney failure, all in which can lead to death. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. All rights reserved. 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. Comparing boys and girls for example will be impossible, unless the sample size is very large. 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. Introduction You will find 100 topics on various subjects below. Antibiotics. Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). How do different kinds of toothpaste compare? Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. Reply 7. Before you can grow bacteria, you'll need to prepare sterile culture dishes. Effect of Mouthwash on Bacteria | Experiment - UKEssays.com I did one on predator-prey relationships and in the end I modelled two sine graphs. Antibiotics | Microbes and the human body | Microbiology Society 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. Lots of scope but not an easy investigation to complete in the time, in 12 pages. Population growth curves. But how do antibiotics affect the growth or successful germination of plants? It will be useful for students who are lost for an idea, or teachers who are looking for something to inspire a particular student. So there we have it! 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? Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. How does stomatal density change according light exposure of red and blue light? Which pigments are made first in a growing leaf, or are all the pigments made at the same time? Copyright 2023 Get the grade you deserve. The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. Remember any participants will need to give written consent before any experimenting, and the mild stress of exam conditions must be harmless. There are lots of practical problems to overcome, most importantly how to change the soil so that it has different amounts of respiration. using potassium permanganate and heating, from a protocol from Science & plants for schools. It may even be possible to find a database of measurements of children of different ages. IA Design - IB Chemistry Biology IA If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. Report. 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 The Aim answers Why while the Research Question answers the What. Plants also play a significant role in the environment by influencing climate and producing life-giving oxygen. . This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. Dont worry, weve all been there. 5 years ago. Halophytes grow in Salty conditions whereas normal plants dont. You. While having multiple trials is necessary for the investigation, each trial should also have multiple samples. Does it matter what type of light the plant is exposed to affect the growth of auxin? 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. Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. Well, you can try to model bacteria growth, cell division. cactus) and a halophyte (eg. 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! 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. opening the floodgates to that sweet 45! 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? 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? This investigation is a bit biochemical and the answer to simple research questions about the hydrophobic / hydrophyllic properties of photosynthetic pigments themselves would be a little bit obvious, so the challenge is to thing of a research question that could be answered by mixing petroleum ether (a nonpolar solvent) and propanone (a polar solvent) in different proportions and calculating retention factors. All rights reserved. This was my Biology HL IA which was given a 21/24 by the IB. Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? 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. 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. NOTES: Probiotics eat the lactose in milk through fermentation. 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 Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. 5, Effect of BMI on skin surface temperature in various body areas on rate of recovery once exposed to cold. 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. How do cleaning products affect the growth of house plants? IB Biology IA Ideas wont strike out of the blue, but heres a list of. 14. Don't do it! 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. to inspire and stimulate your grey cells! In some other cases E. coli can also cause urinary tract infections. HL Biology IA Help! One idea would be to make a series of soils using active compost and sand. They investigate the hypothesis that. Measuring theses factors might be tricky and will involve some testing, although using a phone camera or a video camera could help. In this investigation a change in a physiological feature is explored. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. 0. 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. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. IA and EE - IB Chemistry Biology IA 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. 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. Ventilation rate is a measure of how quickly you breathe. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. 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. with peppered moth types. OP. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. The biological functions of water. Level of passive aggression in individual sportsmen is found higher. 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. Get up to 300 bonus credits with our tutoring packages! Athletes perform better if they warm up properly before an event. Personal engagement, Exploration, Analysis, Evaluation, and Communication are the criteria against which the investigation is assessed. Heres a link to a scientific article that did something very similar, copy their method. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. 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. 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). How to Choose Interesting Biology Research Topics? - MyAssignmenthelp.com | 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. Without further adieu, lets dive headfirst into 30+ IB Biology IA ideas for your Biology IA Investigation! If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. 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. There could be some biology theory applied to the plants leaves, or roots. Bacteria - Definition, Shapes, Characteristics, Types & Examples The effect of pets on the diversity of plants in a garden lawn. One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. Challenge: Gathering enough data, Pollution affecting species growth. Remember that these samples are meant to give direction and ideas. Still feeling a bit uneasy about the task ahead? 20 Fun and Interesting Biology Experiments for High School Contact, Twitter Go through several IA ideas to understand what all topics are in sync with the IB Biology curriculum and if something grabs your attention, hold on to it! Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. How do you even choose a topic? Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. Comparing the Carbon Dioxide levels in the air exhaled after and before workout sessions. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. 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! 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? PDF Probiotic Frozen Yogurt - Mahidol University IB Biology IA, Hydrolysis of starch using enzyme amylase 1st Method (SL) using white tile and stop watch How changing Temp/Salt conc This is an interesting topic of investigation which relates to osmosis and ecology. 5 DIY Biology Experiments You Can Easily Do at Home - Labiotech.eu How does the acidity of different beverages affect the deterioration of tooth enamel? Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. newsletters and promotional offers. In this post, we outline the different necessary components. 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. Exploring how the Water Quality Index (WQI) is affected by water obtained from Chemical Industries/Sewage Treatment Plants. Biology IA Topics: 20+ Great Ideas to Get You Started . Independent Variable: Temperature/Psychological Stress (scary movies? 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. This investigation tries to establish a pattern between the weather and the spread of a disease. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. One idea would be to make a series of soils using active compost and sand. Understanding the biology behind GMOs can help consumers - Agriculture 30 Biology IA topic ideas to get your lab report started! How does increasing the concentration of Oxytetracycline in mg/L affect root elongation in cm of Citrus limon? 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? If the algae is green, then the maxima should be over in . biology IA --- bacteria ? - Biology and ESS - IB Survival To make things as simple as possible for you, we've put together a list of biology research project ideas. 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! location on shore. The problem of this investigation is that it is difficult to measure rehydration or salinity. Hurry, this offer ends on January 17th! 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of .

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