. Dont worry, weve all been there. Copyright 2023 Nail IB. The analysis of the results and the design of the method is another place where PE can be demonstrated, try to take the standard lab and adapt it so show something which is not 'standard'. Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. IA Advice & Ideas; Help! Different plants will change their transpiration rates in response to the environment. 15, Analysing the impact of river pollution on marine life. 24. One nice idea might be to see if the growth in the lungs' vital capacity correlates better with the circumference of the skull or the length of the legs in children of different ages. In this investigation a change in a physiological feature is explored. This is a great idea, but it could be complex and time consuming depending on the lab. Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. Biology IA Checklist 2022: Step by Step Guide for a Perfect IA - IB Better Follow the steps here to extract the DNA. 3. . Then use agar plates and bacteria to test their effectiveness by seeing how many bacteria grow in the different plates! IA is one that has been undertaken with complete zeal and enthusiasm. 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. The procedure used should be well structured. Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? 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. For this experiment, youll investigate how different variables affect the rate of decay! IB EE on the effect of pH and salt on the growth of - Issuu How the rate of decay affects temperature, water & oxygen - BBC 3.2 The More Data, The Better. Lower concentrations will slow respiration because of a lack of substrate. HL Biology IA Help! Soil respiration can be measured using a CO2 probe and a data logger the same equipment could be used to measure the rate of photosynthesis, although growth (or photosynthesis) can be measured in other ways too. Perhaps one of these other variables will be a better variable to investigate instead of music. Are you looking for some IB Biology Internal Assessment (IA) ideas? On this note, we wish you all the very best for your IB Biology IA Journey :). Place the bottle in hot water at 170-190 F until all of the agar is liquid. By siging up, I agree to Lanternas 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. A Selection of Topics for a Biology Essay. The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. 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. 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. Some suggestions of research questions may be; Is there a difference in the composition of photosynthetic pigments in the leaves of a plant found in the sun or the shade? 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. You certainly dont want to miss out on these! Learn everything you need to get a 7 in your IB subjects with our online courses. These proportions make enough nutrient agar to prepare two petri dishes. Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? CareerBuilder TIP. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Controlling factors which can affect blood pressure could be an investigation in itself! Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. Get for free what others have paid $100s in tuition 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. Toothpaste is labelled according to how natural or how chemical the contents are. State your hypothesis; it is important in the context of your research. Effect of Mouthwash on Bacteria | Experiment - UKEssays.com If there are any ethical implications to your report, how do you plan on minimizing the environmental impact of your experiment?. then this could be a very good study. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. I did one on predator-prey relationships and in the end I modelled two sine graphs. 16, Determine the effect of glucose concentration on the rate of osmosis. IB Biology IA | Criteria Break Down, Tips & Tricks and Possible IA Ideas Where do you even begin such a task? This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. Still feeling a bit uneasy about the task ahead? Introduction Take inspiration from these and research further to land on that one idea that gets you going! using potassium permanganate and heating, from a protocol from Science & plants for schools. Right from neurobiology to the fascinating subjects of the immune system, MyAssignmnethelp.com covers a wide range of biology research topics. 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. Comparing boys and girls for example will be impossible, unless the sample size is very large. What is a good topic for Biology IA (Individual Investigation - Quora are the criteria against which the investigation is assessed. In addition to that, the IA explores how inhibitor ethanol affects the rate of the reaction. In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. Exploring how the Water Quality Index (WQI) is affected by water obtained from Chemical Industries/Sewage Treatment Plants. If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. Click here to reset it. The development of biotechnology. How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? This would be a challenge and it would require some research before beginning. Does it matter what type of light the plant is exposed to affect the growth of auxin? IB Biology Internal Assessment - AMAZING WORLD OF SCIENCE WITH MR. GREEN 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. 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. 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. [], We all know that scoring superbly on internal assessments is a great way to boost our IB grades. 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. Some preparation time will be required to germinate and plant the seeds. Biology_IA.pdf - IB Biology HL II - Internal Assessment Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. 5 years ago. IB Biology IA example: 21/24 Biology HL IA on Mitotic Index - Clastify This is a bit more complex than a simple pulse rate investigation, but the challenge to control variables is equally great. http://www.xrite.com/online-color-test-challenge. 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. Other possibilities are paper simulations, e.g. Some diseases spread through direct contact, others are transmitted by an insect vector. In some other cases E. coli can also cause urinary tract infections. Vegetables decay over time but how can we slow down the process? What's IB IA Program? Lab Work - BIOLOGY FOR LIFE Unraveling topoisomerase IA gate dynamics in presence of PPEF and its tillu22. Studying how sudden workout affects the heart rate and baroreceptor feedback. IA Review. Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. Stir these together well: -teaspoon agar (1 1/5 grams) Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. 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 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. Student work is internally assessed by the teacher and externally moderated by the IB. Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. We look forward to joining the Lanterna and being part of your success. Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? 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. This could be compared to listening to music where research has been done to establish that pulse rate can be affected by music. For strict autotrophic organisms - Only inorganic compounds. www.thinkib.net. (DOC) BIOLOGY Practice IA | Riona Claire - Academia.edu The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. legislation, you have rights in relation to your data. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. 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! 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. How does stomatal density change according light exposure of red and blue light? How to Choose Interesting Biology Research Topics? - MyAssignmenthelp.com 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! A well. Browse these for more information! PDF Milk Spoilage: Methods and Practices of Detecting Milk Quality Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. Access them all! Investigating muscle activity involved when standing on ones toes(Ballet dancers). The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. 30 Biology IA Topic Ideas! | Lanterna Education Blog 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.
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