biology ia ideas bacteria

Experimental setup:Find a xerophyte (eg. In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. 1678+ Video tutorials, 1226+ PDF IB Resources, 195+ Sample IAs, 148+ EEs, 8777+ Sample questions, 653+ quizzes, IB They cause our teeth to rot, shaping plaque and causing awful breath. Similarly to the experiment on the rate of decay, you can also measure how quickly fruits ripen, and which factors affect this ripening. Dependent Variable: Degree of growth of plant towards a light source. Independent Variable: Age, Tiredness, Gender, Eye Colour. 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. HL Biology IA Help! 8, How do the buffering actions of milk, yogurt, juices, detergents etc. All rights reserved. However it could be really interesting to compare simple behaviour in animals. should include all the normal conventions of d.p. Read more about quadrat sampling here, Independent Variable: Soil pH, Nitrates in Soil, Oxygen concentration, Dependent Variable: Presence or absence of certain species. Studying the effect of enzymes on Cheese production. On this note, we wish you all the very best for your IB Biology IA Journey :). 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. In order to do well in any science IA, you need to fulfil the criteria i.e. Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. Perform the relevant analysis, keeping in mind the research question, and conclude. In some other cases E. coli can also cause urinary tract infections. Profile. This was my Biology HL IA which was given a 21/24 by the IB. 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. 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! Exploring root hair cells and finding their visibility with age. investigation should cover a topic that is commensurate with the level of the course of study. Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? 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. Right from neurobiology to the fascinating subjects of the immune system, MyAssignmnethelp.com covers a wide range of biology research topics. Browse. Be unique and think about how it's interesting to YOU! How do different kinds of toothpaste compare? Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. Therefore, it's super important that your IB Biology IA gets as high a mark as possible. How do different concentrations of lactases affect the breakdown of disaccharides like lactose in milk effectively? 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. 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. assessment, worth 20% of the final assessment, consists of one scientific investigation. How does the acidity of different beverages affect the deterioration of tooth enamel? 24. Lower concentrations will slow respiration because of a lack of substrate. This looks like an interesting topic of study. 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. Constraints, if any, need to be mentioned as well. Read more about it here, Independent Variables: Concentration of Sucrose. 15. Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. Bananas lend themselves to this because their skin changes colour. IA Overview. You certainly dont want to miss out on these! It is a complex branch of biology that studies the smallest units and the living organisms. They know exactly how to get a 7 in your IA and exam and can give you tips and tricks on how you can do the same. Read more about it here. Narrow down the subject. Does it matter what type of light the plant is exposed to affect the growth of auxin? State your hypothesis; it is important in the context of your research. These proportions make enough nutrient agar to prepare two petri dishes. 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. Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. 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. www.thinkib.net. It may even be possible to find a database of measurements of children of different ages. This investigation tries to establish a pattern between the weather and the spread of a disease. For strict autotrophic organisms - Only inorganic compounds. 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 | Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. It is imperative to acknowledge the safety protocols as established by IB and consider the ethical aspects of your investigation. 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. The internal assessment requirements are the same for biology, chemistry and physics. Canada: +1 (647) 249-7179USA (WhatsApp): +1 (678) 679-2365edu@plusplustutors.com, 407 Iroquois Shore Rd. compare? Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs. Biology IA Ideas with Independent Variables 1. Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. 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? 1. The sure shot way to ace ones IB Biology IA or any IA for that matter is by picking a topic that sparks ones interest. Despite so, there are still some that can cause bloody diarrhea, severe anaemia or kidney failure, all in which can lead to death. IA Review. Experimental setup:Find a few friends willing to participate and measure their ventilation rates with a respirometer (the human version) and then subject them to different stimuli. Experimental setup:Place a corn seed in a dark cupboard with a single light source. Use it to spread the bacteria across the surface of the Petri dish while rotating it. It is very easy to extract DNA at home just using everyday kitchen supplies. The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. In this post, we outline the different necessary components. 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! Change the different conditions in which the plants are found as well as the species. Browse these for more information! The best investigations will have a biological reason why there might be a correlation between the IV and the DV. Studying how different carbohydrates in edibles impact the blood sugar levels in humans. A challenge is to work out the biological reasons behind you hypothesis, and it may be a good idea to branch away from toothpaste to test a specific chemical from the ingredients in the toothpaste. 6 years ago. Your Ultimate Guide for Acing IB Psychology Paper 2, The Perfect Guide to Earn a 7 in your IB Psychology IA, The A to Z Guide for Structuring your TOK Essay for Optimal Success, 7 Different Ways to Make the Most of your IB DP Y1 Winter/Summer Break, How to Stay Sane: A Promising Guide to Stress Management in the IB DP. By submitting this form, I agree to the data entered being used by Nail IBNSW for sending | Registration confirmation will be emailed to you. Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. (1 More IB Past Papers). This is an interesting quantitative method to estimate glucose concentration. Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. 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. 17. The task will have the same assessment criteria for SL and HL. Extract your own DNA. Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? Teens can work to find out why certain plants present certain colors. How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? The problem of this investigation is that it is difficult to measure rehydration or salinity. Pour the bacteria onto the solidified agar plate. Some of the challenges of this type of investigation will be controlling other factors which affect the growth of plants. 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. 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. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. The intra-abdominal Campylobacter infection model facilitates the characterization of peripheral blood leukocyte . Below you will find science fair project ideas primarily related to biology. Passion is fundamental in research, after all. This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. Toothpaste is labelled according to how natural or how chemical the contents are. at which many forms of bacteria thrive [9]. Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? HL Biology IA Help! Grab ideas, see examples and create own perfect Biology essay and research paper! 3. . Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. Test the stomatal density of different leaves exposed to variable conditions using a microscope. 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. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). Math solutions -. terms of service. 5 years ago. 16. 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. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. It could be used in a wide range of labs. 1. Dont worry, weve all been there. Can temperature, humidity, or exposure to sunlight affect how quickly vegetables decay? 16, Determine the effect of glucose concentration on the rate of osmosis. Unit 8, Suite V4Oakville, Ontario,CanadaL6H 1M3. How do cleaning products affect the growth of house plants? The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. 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 Variable: Halophyte seed vs Normal Plant seed. with current laws and regulations, you can unsubscribe at any time by clicking on the link in Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. This is a bit more complex than a simple pulse rate investigation, but the challenge to control variables is equally great. . The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! Compost is made from dead plants and manure is the waste from animals. It will be useful for students who are lost for an idea, or teachers who are looking for something to inspire a particular student. The difficulty begins with identifying the genres in a scientific way. 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. Posted October 26, 2015. Experimental setup:Set up an experiment that measures the ethylene or CO2 levels of fruits over time, and expose different fruits to different independent variables. there Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. Where do you even begin such a task? Majority of them are restricted to the intestine The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. 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! 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 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. An ideal IA idea is one that reeks of originality and leaves room for proper investigation and analysis in the process. Different plants that live in different conditions will have different requirements for gas exchange. 2. Report. location on shore. The Aim answers Why while the Research Question answers the What. Then is is going to be a challenge to design a method of data collection which controls all the possible variables. Understanding how a particular abiotic factor affects the biodiversity in a habitat. There are obviously many different factors influencing the rate of ventilation, you can investigate which those are! This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. Some preparation time will be required to germinate and plant the seeds. 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. 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. 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! 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. The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth Follow the steps here to extract the DNA. A quart-sized bowl works great. are the criteria against which the investigation is assessed. IB Elite Academy online tutors provides hundreds of IB Biology IA ideas at both IB Biology higher level, IB Biology standard level. Maybe you can suggest that to your teacher? Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. Proper research on your part is a bare minimum, and the rest follows. As the cell membrane disintegrates, alcohol can then enter the cell and . Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. Get your own tutor today! However, keep in mind that even though we are doing our best to maintain this list fresh, other students will find it as well. and uncertainties. Personal engagement, Exploration, Analysis, Evaluation, and Communication are the criteria against which the investigation is assessed. Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. Let's help inspire M22 students since it's already IA season! Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. Subject to the conditions provided for by applicable The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. 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. What has inspired you to do that topic? Paper 2 contains short-answer and extended-response questions on the core (and Additional Higher Level (AHL) material . Still feeling a bit uneasy about the task ahead? 28, How do different antibiotics interact with the process of seed germination? How do you even choose a topic? You can visit www.ibbiologytutors.com to register for a FREE demo session.. How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? Population growth curves. Also, be sure that you know all of the rules and regulations for your particular science fair before you begin your project. What's IB IA Program? 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. Finding a topic is one of the - if not THE - most important part of writing your IA so we want to make sure that you get it right! Challenge: Gathering enough data, Pollution affecting species growth. Take 10 micro liters of the cultured. tillu22. Plant project studies allow us to learn about plant biology and potential usage for plants in other fields such as medicine, agriculture, and biotechnology. Even though many of these topics led to high scores for some of our graduates in the past, it is important that you listen to the advice of your subject teacher before choosing any topic! Heres a useful link for ventilation rates. 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. 19, What is the difference in the CO2 levels exhaled before and after enduring physical exercise?