Pour the bacteria onto the solidified agar plate. I did one on predator-prey relationships and in the end I modelled two sine graphs. Facebook 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 best investigations will have a biological reason why there might be a correlation between the IV and the DV. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. legislation, you have rights in relation to your data. We use cookies to ensure that we give you the best experience on our website. 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). 6 years ago. 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? 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! Profile. 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. Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. Comparing boys and girls for example will be impossible, unless the sample size is very large. There are obviously many different factors influencing the rate of ventilation, you can investigate which those are! Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? Toothpaste is supposed to block bacterial growth. 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 plenty of factors to control which makes this investigation difficult and if there isn't enough data or the controls are not in place this could lead to a low mark after much work. watch this thread. [], We all know that scoring superbly on internal assessments is a great way to boost our IB grades. 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 . 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. How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! Experimental setup:construct a seed germination experiment with different seeds and add increasing solutions of NaCl, observing the impact of increasing salt concentration in different seeds. 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! These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. 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. 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. IB Biology IA ideas - Maths, English, Chem, BM, Eco, ITGS - IB Elite Growing Bacteria in Petri Dishes - Biology Experiment - The Lab 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. It is imperative to acknowledge the safety protocols as established by IB and consider the ethical aspects of your investigation. The 80 Most Common IB Biology Exam Questions! Paper 2 contains short-answer and extended-response questions on the core (and Additional Higher Level (AHL) material . 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. Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. Hurry, this offer ends on January 17th! How does the composition of soil affect the growth of runner Plants from the original plant? Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. 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. Biology IA Topics: 20+ Great Ideas to Get You Started 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. IA and EE - IB Chemistry Biology IA 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. Read more about it here. . Lactobacilli reproduction and growth is the cause of milk spoilage. Dependent Variable: Rate of Seed Germination. 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! Are you looking for some IB Biology Internal Assessment (IA) ideas? Below you will find science fair project ideas primarily related to biology. promotional emails that we send to you. Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. 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. . Of course the ideas are just ideas, nothing is specified and all the details will need to be explored and evaluated by students during their investigations. 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. 24. Investigate how different species of plants respond differently to environmental stimuli. This could be a difficult investigation to do quantitatively unless there was a longer time period available to observe growth. Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. Effect of Mouthwash on Bacteria | Experiment - UKEssays.com To get started, you'll need to make your agar and fill some petri dishes. Biology Internal Assessment Topics: 15+ Sample, Example Topics Dependent Variable: Degree of growth of plant towards a light source. Want some A-quality guidance? Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. If you are a student and wish to access these resources, ask your school to subscribe. 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. Canada: +1 (647) 249-7179USA (WhatsApp): +1 (678) 679-2365edu@plusplustutors.com, 407 Iroquois Shore Rd. Reply However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. A 125ml bottle of nutrient agar contains enough to fill about 10 petri dishes. IA Biology HL 6 What are you waiting for? At Lanterna we have hundreds of tutors who smashed Biology. 12 Examples and Tips for IB Biology IA | MakeSensei Of course, you can use any of our topics for free. There could be some biology theory applied to the plants leaves, or roots. The video breaks down the c. (1 More IB Past Papers). Test how different household cleaning products affect seed germination! The procedure used should be well structured. Reference to Course: Molecular Biology(Enzymes). Independent Variable:Temperature, Oxygen availability. We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. Exploring root hair cells and finding their visibility with age. Bananas lend themselves to this because their skin changes colour. Experimental setup:Gather participants for the study and compare how quickly they can catch a ruler (measured in cm). We know that our topic has to be somewhat related to the syllabus, but where should we focus? Before we match you with one of our trusted tutors, we want to know a little bit about you so we can ensure the best possible support. 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. Be unique and think about how it's interesting to YOU! Some preparation time will be required to germinate and plant the seeds. The Biology of Sourdough | Discover Magazine Is it possible to increase brainpower? 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. PDF Probiotic Frozen Yogurt - Mahidol University HL Psychology or HL History? Let's help inspire M22 students since it's already IA season! Free Biology Topics for Writing - Essay Samples and Research Paper Examples 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. Copyright 2023 Get the grade you deserve. Learn everything you need to get a 7 in your IB subjects with our online courses. Starting at deep purple, and ending at far red, write down the A values. 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. Topics about Biology, we've collected for you from our best Biology papers samples! Biology IA (NOTES) - ibmynotes 14. Stuck for Ideas planning your Biology IA? Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. 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. OP. Also, be sure that you know all of the rules and regulations for your particular science fair before you begin your project. 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.