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Dont worry, weve all been there. Canada: +1 (647) 249-7179USA (WhatsApp): +1 (678) 679-2365edu@plusplustutors.com, 407 Iroquois Shore Rd. Topics about Biology, we've collected for you from our best Biology papers samples! Toothpaste is supposed to block bacterial growth. IB Elite Academy online tutors provides hundreds of IB Biology IA ideas at both IB Biology higher level, IB Biology standard level. The 80 Most Common IB Biology Exam Questions! 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. Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. It may even be possible to find a database of measurements of children of different ages. 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. Personal engagement, Exploration, Analysis, Evaluation, and Communication are the criteria against which the investigation is assessed. Grab ideas, see examples and create own perfect Biology essay and research paper! Lots of plant ideas in the questions and answers It is also possible to use this method to study glucose levels in ripening fruit, lactase activity in milk producing glucose or maltase activity in germinating seeds. 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? This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. 2. 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. Level of passive aggression in individual sportsmen is found higher. It is a complex branch of biology that studies the smallest units and the living organisms. While it is an interesting idea, like the example above there are many factors to control in this investigation, which is an interesting modification of a standard lab looking at exercise. One idea would be to make a series of soils using active compost and sand. 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. 5 years ago. 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. . Homemade extraction of your own DNA. Biology IA Topics: 20+ Great Ideas to Get You Started Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? 8, How do the buffering actions of milk, yogurt, juices, detergents etc. 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 . Despite so, there are still some that can cause bloody diarrhea, severe anaemia or kidney failure, all in which can lead to death. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. Maybe you can suggest that to your teacher? How does the concentration of zinc chloride affect the growth of plaque? How do different kinds of toothpaste compare? These proportions make enough nutrient agar to prepare two petri dishes. For this experiment, youll investigate how different variables affect the rate of decay! Browse. cactus) and a halophyte (eg. Biology HL IA Idea Proposal - Bacteria vs Fertilizer Course Biology HL Institution Queensland Academy Of Science, Mathematics And Technology This is a detailed proposal for a HL Biology IA complete with a full methodology, research question, and basic Introduction. 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? The focus is on the parts of the cell and the interaction of the cytoplasm and the membrane as the topic ideas below show: The Pros And Cons Of The Cytoskeleton System Through The Lens Of Cell Motility. This study could be an investigation of how effectively the toothpaste inhibits the growth of bacteria according to the scale of the chemicals in the toothbrush. Your data shall be kept until you unsubscribe. Different plants that live in different conditions will have different requirements for gas exchange. 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. It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. The easiest way to solve it is to simply ask your teacher whether it will be possible, if you have good arguments they may let you do it Reply Posted June 10, 2015 Our bio teacher informed us we can do IAs involving bacteria as long as we use the incubator in the school, under his supervision. There are some quite nice online tests of colour vision, and also many telephone apps. The task will have the same assessment criteria for SL and HL. Reply What are some potential topics for my MATH IA that related to biology Learn everything you need to get a 7 in your IB subjects with our online courses. I did one on predator-prey relationships and in the end I modelled two sine graphs. A List Of Great Topics For A Biology Extended Essay - Christian Paul Different plants will change their transpiration rates in response to the environment. 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. Browse thousands of Internal Assessment, Extended Essay, and TOK examples. Read more about it here. (DOC) BIOLOGY Practice IA | Riona Claire - Academia.edu 1. Some preparation time will be required to germinate and plant the seeds. Remember any participants will need to give written consent before any experimenting, and the mild stress of exam conditions must be harmless. 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. 25 Unique Biology IA Ideas - Think Smart Tutoring Are you looking for some IB Biology Internal Assessment (IA) ideas? 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. . Download our 2022 Biology IA Guide (Checklist) to help write the perfect Internal Assessment. 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! NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. It is possible to establish a theoretical link between mild stress and adrenaline (epinephrine) which will affect features in the body including pupil size but it is not possible to directly measure the level of any hormones in the body. Browse these for more information! 3, Describe how the primary productivity of algae changes with temperature, algae concentration, other aquatic plants, salinity, nutrients, and any other variables you may want to consider. State your hypothesis; it is important in the context of your research. disinfectant, rum, vodka, etc.). 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. biology IA --- bacteria ? - Biology and ESS - IB Survival Designed by Harvard tutors to allow you exceed beyond expectations. The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. Measuring the change in iron levels of avocados as they go through different ripening stages 25. They cause our teeth to rot, shaping plaque and causing awful breath. Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! with current laws and regulations, you can unsubscribe at any time by clicking on the link in Lots of plant ideas in the questions and answers, https://sciencecourseware.org/BiologyLabsOnline/, Mean arterial pressure calculator online -, Sciencelab Chemical data sheets MSDS (Materials Safety data sheets). Well, you can try to model bacteria growth, cell division. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. Are you looking for some IB Biology Internal Assessment (IA) ideas? At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. Antibiotics. The role of a warm up in sport is clear. IB Biology IA | Criteria Break Down, Tips & Tricks and Possible IA Ideas 14, What is the respective change of allele frequency when initial frequencies are manipulated? IA Design - IB Chemistry Biology IA Processes such as diffusion and osmosis as well as the effect of chemicals on components of cell membranes, or on enzymes could be included in the theory. HL Biology IA Help! - The Student Room They investigate the hypothesis that. Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. Controlling factors which can affect blood pressure could be an investigation in itself! The stages of embryonic development. The intra-abdominal Campylobacter infection model facilitates the characterization of peripheral blood leukocyte . 23 Ideas for Science Experiments Using Plants - ThoughtCo 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 FREE guide reveals the most powerful information for boosting your extended essay score and These are all genera and the specific species present definitely vary between cultures. This looks like an interesting topic of study. By siging up, I agree to Lanternas 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. The problem of this investigation is that it is difficult to measure rehydration or salinity. 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. They are produced in nature by soil bacteria and fungi. Click here (amylase) or Click here ( pancreatin amylase) from Carolina. IA is one that has been undertaken with complete zeal and enthusiasm. Math solutions -. 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. 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. Introduction Senior Scientist | Biology-Discovery - Animal Health However, keep in mind that even though we are doing our best to maintain this list fresh, other students will find it as well. This creates fermented products. How to measure growth of algae with colorimeter - Biology Stack Exchange 19, What is the difference in the CO2 levels exhaled before and after enduring physical exercise? The evolution of parasites. What is the most effective way of fighting an endemic? The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. IBDP Biology InThinkingSubject Sites for teachers & their classes location on shore. Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. Can temperature, humidity, or exposure to sunlight affect how quickly vegetables decay? 22 Biology IA Topic Ideas | IB | ++tutors Don't do it! Subject to the conditions provided for by applicable 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 Narrow down the subject. In order to do well in any science IA, you need to fulfil the criteria i.e. A full experimental setup can be found on this link. The procedure used should be well structured. How does the acidity of different beverages affect the deterioration of tooth enamel? The Aim answers Why while the Research Question answers the What. Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. 12, What happens after the best-by date of dairy products? 3.2 The More Data, The Better. watch this thread. opening the floodgates to that sweet 45! Test how different household cleaning products affect seed germination! Here are a couple of other ideas you could browse and eventually take inspiration from: We hope these little ideas will help you brainstorm and explore further in the vast yet intriguing expanse, which is Biology. Biology Science Fair Project Ideas - ThoughtCo HL Biology IA Help! This is an investigation to test a hypothesis that reaction time wll slow down with age. Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. Is there an optimum intensity of warm up to achieve best performance? If there are any ethical implications to your report, how do you plan on minimizing the environmental impact of your experiment?. 16. The IB advise student and teachers, each year, to avoid this sort of lab. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. What is a good topic for Biology IA (Individual Investigation - Quora 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! Challenges: Providing biological context for why youre measuring certain factors. 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. Nice to see you here. It could be used in a wide range of labs. Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. The best investigations will have a biological reason why there might be a correlation between the IV and the DV. An ideal IA idea is one that reeks of originality and leaves room for proper investigation and analysis in the process. 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. 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. Understanding how a particular abiotic factor affects the biodiversity in a habitat. should include all the normal conventions of d.p. 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. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. If a person exercises regularly they should have a better level of fitness, this might mean that their heart rate increases by less in the short burst of exercise than someone who does no regular exercise. A 125ml bottle of nutrient agar contains enough to fill about 10 petri dishes. . . Before you can grow bacteria, you'll need to prepare sterile culture dishes. This would be a challenge and it would require some research before beginning. Growing Bacteria in Petri Dishes - Biology Experiment - The Lab 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. Coli bacteria using a micro pipette. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. Keep the research question brief and relevant. Top 80 Most Common IB Biology Exam Questions. 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 :) In addition to that, the IA explores how inhibitor ethanol affects the rate of the reaction. How does the composition of soil affect the growth of runner Plants from the original plant? Heres a quick summary of how you are supposed to choose an appropriate IB Biology IA idea for your report: Now that you know how to settle on that one perfect topic, lets quickly brief ourselves with the proper planning and procedure involved in the making of an IB Biology IA: Concise Research Question: Your Research Question and the Aim of the Investigation are separate sub-headings with different implications.