| One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. 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. Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. Therefore, it's super important that your IB Biology IA gets as high a mark as possible. 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. The importance of agricultural microbiology. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? The internal. 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! 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! I did one on predator-prey relationships and in the end I modelled two sine graphs. Bio IA graded 7 IB score - Aim: To determine the effect of - Studocu 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. These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. 1. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. 25 Unique Biology IA Ideas - Think Smart Tutoring How do you even choose a topic? 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. 1: Cell Biology 1.1: Introduction to Cells 1.2: Ultrastructure of Cells 1.3: Membrane Structure 1.4: Membrane Transport 1.5: The Origin of Cells 1.6: Cell Division 2: Molecular Biology 2.1: Molecules to Metabolism 2.2: Water 2.3: Carbohydrates and Lipids 2.4: Proteins 2.5: Enzymes 2.6: DNA and RNA 2.7: DNA Replication, Transcription and Translation One idea would be to make a series of soils using active compost and sand. IB Biology IA Ideas wont strike out of the blue, but heres a list of. This is a simple experiment to carry out, but a difficult experiment to get good controlled data for. This is an investigation to test a hypothesis that reaction time wll slow down with age. Coli bacteria using a micro pipette. . reply. Without further adieu, lets dive headfirst into, (Metabolism, Cell Respiration, Photosynthesis), Want some A-quality guidance? Alcohol is a common active ingredient in many of the commercial mouth washes. IA investigation - teacher's marking activity, Metabolism Respn & Photosynthesis test HL, Metabolism Respn. Independent Variable: Age, Tiredness, Gender, Eye Colour. HL Biology IA Help! - The Student Room 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. Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. The 80 Most Common IB Biology Exam Questions! with current laws and regulations, you can unsubscribe at any time by clicking on the link in disinfectant, rum, vodka, etc.). Remember! 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: Halophyte seed vs Normal Plant seed. 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. Selecting an IBxq Biology IA idea has never been easier! 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of . 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. 6, How does sudden change in body position affect heart rate and baroreceptor feedback? 24. This is a great idea, but it could be complex and time consuming depending on the lab. They investigate the hypothesis that. Browse thousands of Internal Assessment, Extended Essay, and TOK examples. In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. One idea would be to make a series of soils using active compost and sand. This could be compared to listening to music where research has been done to establish that pulse rate can be affected by music. 14. Lab Work - BIOLOGY FOR LIFE 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. 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. Biology_IA.pdf - IB Biology HL II - Internal Assessment 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 following examples are not unethical, but just not very good, because the data is rarely enough for a good analysis and difficult to control. A full experimental setup can be found on this link. 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? , its objectives, partwise breakdown, and what IB expects of you. We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. In some other cases E. coli can also cause urinary tract infections. Along with a bundle of, with helpful examples! The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. Independent Variable: Temperature/Psychological Stress (scary movies? The difficulty begins with identifying the genres in a scientific way. All rights reserved. One possible solution is to measure another (or some other) factors about the body and look for a correlation. How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). The biological explanation of why blood pressure might change when reading may be tenuous. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. However it could be really interesting to compare simple behaviour in animals. It is imperative to acknowledge the safety protocols as established by IB and consider the ethical aspects of your investigation. Click here for top-notch IB resources or here to assess how your prep is going! By siging up, I agree to Lanternas 23 Ideas for Science Experiments Using Plants - ThoughtCo Clearly state your interest. Different plants that live in different conditions will have different requirements for gas exchange. If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! at which many forms of bacteria thrive [9]. Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. 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. Read more about quadrat sampling here, Independent Variable: Soil pH, Nitrates in Soil, Oxygen concentration, Dependent Variable: Presence or absence of certain species. IB Biology IA: Enzymes - IB Biology IA: Enzymes - Stuvia US IB Biology IA Ideas (30+ Topics) - Nail IB There are also many factors to consider in the type of reaction speed test that is used and there are also problems associated with the learning of the skill during the experiment. Check out some Physics IA ideas here!11, What is the effect of the salt concentration on germination of different types of seeds? 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. Personal engagement, exploration, analysis, evaluation, and communication. The task will have the same assessment criteria for SL and HL. 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 Practical work could look at the density of aphids on leaves of different shades, or bumble bee feeding on flowers of different shapes or predator prey interactions etc. The bacteria-infected mice were given PPEF, BPVF, levofloxacin, and ciprofloxacin at different doses (10 and 20 mg/kg bw) by dissolving in sterile water as a vehicle at a volume of 0.1 mL using a . To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. 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. CareerBuilder TIP. This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. with peppered moth types. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. Biology Internal Assessment Topics: 15+ Sample, Example Topics This was my Biology HL IA which was given a 21/24 by the IB. 1. 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. Read more about it here. Posted October 26, 2015. Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! 8, How do the buffering actions of milk, yogurt, juices, detergents etc. Can the max performance be measured best using max heart rate or maximum speed? Remember that these samples are meant to give direction and ideas. 5 DIY Biology Experiments You Can Easily Do at Home - Labiotech.eu Use it to spread the bacteria across the surface of the Petri dish while rotating it. There may be a combination of roles for plant roots and bacteria in the substrate and both of these link to the nitrogen cycle and so would allow for a detailed hypothesis and a focused research question. 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. 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? 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! Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Browse these for more information! Ventilation rate is a measure of how quickly you breathe. Experimental setup:Use a potometer to measure the rate of transpiration. 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? Toothpaste is labelled according to how natural or how chemical the contents are. Biology IA Ideas with Independent Variables 1. Microorganisms | Free Full-Text | Leukocyte Response to Campylobacter It is important to set the Research Question in the background of the chosen topic. 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. 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. 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. Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Experiment with Fermentation using Kombucha - RockEDU biology IA --- bacteria ? - Biology and ESS - IB Survival 5, Effect of BMI on skin surface temperature in various body areas on rate of recovery once exposed to cold. 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. To get started, you'll need to make your agar and fill some petri dishes. Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. The distinctive features of human physiology. Exploring how the height of plants is affected by Nitrogen or Fluoride based fertilizers used. It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! This could be a difficult investigation to do quantitatively unless there was a longer time period available to observe growth. 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. They cause our teeth to rot, shaping plaque and causing awful breath. 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. Measuring the change in iron levels of avocados as they go through different ripening stages 25. 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! DP Biology: 30 investigation ideas for Biology IA Narrow down the subject. 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. How do different kinds of toothpaste compare? 170+ Biology Research Topics for Students - EduBirdie.com The Biology of Sourdough | Discover Magazine Studying how different carbohydrates in edibles impact the blood sugar levels in humans. The first step consists of spitting on the glass and adding a pinch of salt to it. 50 IB Biology IA Ideas - IB Better Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. Registration confirmation will be emailed to you. Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. All rights reserved. Vegetables decay over time but how can we slow down the process? Stir these together well: -teaspoon agar (1 1/5 grams) Dependent Variable: Rate of Seed Germination. The practice of making sourdough is as ancient as bread itself. and uncertainties. | At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. 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. Take 10 micro liters of the cultured. 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. The internal assessment requirements are the same for biology, chemistry and physics. This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. Browse. IB HL Biology IA Proposal - The effect of lactase on various - StuDocu The internal assessment requirements are the same for biology, chemistry and physics. Enter your email and tell us where to send them! 6 years ago. What effect do conditions, such as temperature, sunlight have on the rate of spoilage. Exploring how the reaction times of humans get affected with age. Is it possible to increase brainpower? Neither should the idea be too generic and nor too simplistic. Dependent Variable: Degree of growth of plant towards a light source. 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. Student work is internally assessed by the teacher and externally moderated by the IB. Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. Report. Majority of them are restricted to the intestine Then is is going to be a challenge to design a method of data collection which controls all the possible variables. 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 performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. Want some A-quality guidance? We hope our list of Internal Assessment Ideas was useful. Test the stomatal density of different leaves exposed to variable conditions using a microscope. Stuck for Ideas planning your Biology IA? Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. 20 Fun and Interesting Biology Experiments for High School Citing documents/web pages and giving references is another important aspect of your IA that needs to be taken care of. 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. Avoid this type of investigation, . You will find 100 topics on various subjects below. Take inspiration from these and research further to land on that one idea that gets you going! How to measure growth of algae with colorimeter - Biology Stack Exchange Pour the bacteria onto the solidified agar plate. 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. . This creates fermented products. A well. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. Remember any participants will need to give written consent before any experimenting, and the mild stress of exam conditions must be harmless. You can visit www.ibbiologytutors.com to register for a FREE demo session.. Get your own tutor today! Keep the research question brief and relevant. There are biology topics that can be connected to culture, music, language, and the like. We use cookies to ensure that we give you the best experience on our website. Athletes perform better if they warm up properly before an event. Experimental setup:Place a corn seed in a dark cupboard with a single light source. 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. Introduction Don't do it! 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. classes to learn/preach! Comparing boys and girls for example will be impossible, unless the sample size is very large. Biology IA Topics: 20+ Great Ideas to Get You Started Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. Stomata are the areas of gas exchange in leaves. 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. Student work is internally assessed by the teacher and externally moderated by the IB. 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.
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