Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. Perhaps one of these other variables will be a better variable to investigate instead of music. 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. 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 the algae is green, then the maxima should be over in . Let's help inspire M22 students since it's already IA season! Well, you can try to model bacteria growth, cell division. 25 Unique Biology IA Ideas - Think Smart Tutoring Pour the bacteria onto the solidified agar plate. What are you waiting for? 1. 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. Challenges: Being consistent in assessing the fruit ripeness. A clear RQ is essential and there are quite a few possibilities. Sitting in that quiet corner, sipping on hot chocolate hoping it rains IB Biology IA ideas, instead, going blank and utterly confused? Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. Maths IA, how to combine biology with maths? - IB Survival Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? The climate is different at different altitudes and the growing season begins later at high altitude. 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. The data must be analysed by the student and tables / graphs etc. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. This gives the microbe an advantage when competing for food and water and other limited resources in a particular habitat, as the antibiotic kills off their . 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. Use the epidemiological data to measure rates of change. Place the bottle in hot water at 170-190 F until all of the agar is liquid. The importance of agricultural microbiology. Exemplars. The internal assessment requirements are the same for biology, chemistry and physics. Auxin hormone is largely responsible for controlling the direction of plant growth. Topics about Biology, we've collected for you from our best Biology papers samples! IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth Test how different household cleaning products affect seed germination! At Lanterna we have hundreds of tutors who smashed Biology. HL Psychology or HL History? While having multiple trials is necessary for the investigation, each trial should also have multiple samples. The IB advise student and teachers, each year, to avoid this sort of lab. , its objectives, partwise breakdown, and what IB expects of you. Lactobacilli reproduction and growth is the cause of milk spoilage. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Access them all! (1 More IB Past Papers). Still feeling a bit uneasy about the task ahead? To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. Read more about it here. We look forward to joining the Lanterna and being part of your success. Photo. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. Toothpaste is supposed to block bacterial growth. Reply 7. Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. 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. Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? Biology_IA.pdf - IB Biology HL II - Internal Assessment IA Biology HL 6 Teens can work to find out why certain plants present certain colors. legislation, you have rights in relation to your data. Many say that as we get older, our reaction times slow down, see if this is true! Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. 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! Senior Scientist | Biology-Discovery - Animal Health How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? Independent, Dependent variables need to be highlighted, as should the hypothesis. 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. Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. 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. Is there an optimum intensity of warm up to achieve best performance? By submitting this form, I agree to the data entered being used by Nail IBNSW for sending . 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. A limitation with an experiment that finds the relationship between sodium ion concentration and the rate of neurogenesis in the hippocampus of the brain is that its results are not applicable to other parts of the nervous system. Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! 17. A 125ml bottle of nutrient agar contains enough to fill about 10 petri dishes. If there are any ethical implications to your report, how do you plan on minimizing the environmental impact of your experiment?. They are produced in nature by soil bacteria and fungi. How does increasing the concentration of Oxytetracycline in mg/L affect root elongation in cm of Citrus limon? Natural selection - lab bench Which type of water fleas escape predators best? To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Hurry, this offer ends on January 17th! It is important that you do the work yourself and not just copy the material. Plant project studies allow us to learn about plant biology and potential usage for plants in other fields such as medicine, agriculture, and biotechnology. They cause our teeth to rot, shaping plaque and causing awful breath. | 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. Citing documents/web pages and giving references is another important aspect of your IA that needs to be taken care of. 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. Experimental setup:Use a potometer to measure the rate of transpiration. What effect do conditions, such as temperature, sunlight have on the rate of spoilage. Biology IA Topics: 20+ Great Ideas to Get You Started terms of service. You. Introduction 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. 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. The first step consists of spitting on the glass and adding a pinch of salt to it. Experimental setup:Gather participants for the study and compare how quickly they can catch a ruler (measured in cm). The development of biotechnology. Athletes perform better if they warm up properly before an event. Exploring how the Water Quality Index (WQI) is affected by water obtained from Chemical Industries/Sewage Treatment Plants. 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. Can the max performance be measured best using max heart rate or maximum speed? Proper research on your part is a bare minimum, and the rest follows. : Limitations and Improvements should be specified. Then, add some liquid soap (like the one you use for washing the dishes), juice from a grapefruit, and . Before we dive more in-depth, you might want to check out our premium IB Biology SL Notes to own your Biology SL papers! 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 PDF Biology Internal Assesment Higher Level (DOC) BIOLOGY Practice IA | Riona Claire - Academia.edu The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. OP. How do you even choose a topic? Independent Variable: Temperature/Psychological Stress (scary movies? This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. It may even be possible to find a database of measurements of children of different ages. Still feeling a bit uneasy about the task ahead? Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. So there we have it! Canada: +1 (647) 249-7179USA (WhatsApp): +1 (678) 679-2365edu@plusplustutors.com, 407 Iroquois Shore Rd. It could be used in a wide range of labs. What are some potential topics for my MATH IA that related to biology For strict autotrophic organisms - Only inorganic compounds. Water Bath Method - Loosen the agar bottle cap, but do not remove it completely. Kimchi is a traditional fermented cabbage dish from Korea. Neither should the idea be too generic and nor too simplistic. The use of a transect of transects will be useful for the sampling. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. Here the challenge is the exploration section. There could be some biology theory applied to the plants leaves, or roots. 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. What has inspired you to do that topic? Biology Internal Assessment Topics: 15+ Sample, Example Topics Experiment with Fermentation using Kombucha - RockEDU Challenges: Providing biological context for why youre measuring certain factors. Your Research Question and the Aim of the Investigation are separate sub-headings with different implications.