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Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. 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. How do the factors temperature and light intensity that affect photosynthesis balance out each other when it comes to the time taken for photosynthesis to occur? 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. So there we have it! It is very easy to extract DNA at home just using everyday kitchen supplies. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Exploring how the height of plants is affected by Nitrogen or Fluoride based fertilizers used. Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. But how do we get started on a lab report and, crucially, what should we write about? Keep the research question brief and relevant. Different plants will change their transpiration rates in response to the environment. These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. It is a complex branch of biology that studies the smallest units and the living organisms. Place all 5 of the red apples into the test tubes (1 piece for each test tube). . The biological functions of water. 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'. Toothpaste is labelled according to how natural or how chemical the contents are. 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. Is it possible to increase brainpower? How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? What has inspired you to do that topic? Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. 2. 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. Exemplars. Similarly to the experiment on the rate of decay, you can also measure how quickly fruits ripen, and which factors affect this ripening. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. Five biological experiments you can do at home - University Post 170+ Biology Research Topics for Students - EduBirdie.com Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Measuring theses factors might be tricky and will involve some testing, although using a phone camera or a video camera could help. I did one on predator-prey relationships and in the end I modelled two sine graphs. This creates fermented products. In this investigation a change in a physiological feature is explored. 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: Carry out an experimental investigation in the laboratory or Draw interpretation from a credible database or Make a detailed analysis using a simulation/modeling. The individual. 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. How does different conditioners affect the strength of hair? How does stomatal density change according light exposure of red and blue light? Without further adieu, lets dive headfirst into, (Metabolism, Cell Respiration, Photosynthesis), Want some A-quality guidance? Introduction http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Heres a useful link for ventilation rates. Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. PDF Milk Spoilage: Methods and Practices of Detecting Milk Quality Math solutions -. 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! It may even be possible to find a database of measurements of children of different ages. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. How do cleaning products affect the growth of house plants? This begs the question, is there an ideal concentration of sucrose for yeast growth? 13. There should be a distinct maxima in the curve, that is the most sensitive wavelength, and is the one you should use for all your experiments. Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. Some assessment of the reliability of the sources will be needed and some discussion of ethics of using someone's data, with their consent, hopefully. What is the most effective way of fighting an endemic? Comparing the buffering actions of various substances: antacids, milk, sodium bicarbonate, sodium carbonate, detergents, etc. (Use egg as imitation of tooth). A well. 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. 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 . Reply 7. (DOC) BIOLOGY Practice IA | Riona Claire - Academia.edu I'll do so in a series of questions that will help you probe deeper into your IA. Legal Bio IA graded 7 IB score - Aim: To determine the effect of - Studocu 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. Plants also play a significant role in the environment by influencing climate and producing life-giving oxygen. Independent Variable: Age, Tiredness, Gender, Eye Colour. Starting at deep purple, and ending at far red, write down the A values. How does increasing the concentration of Oxytetracycline in mg/L affect root elongation in cm of Citrus limon? InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Get your own tutor today! Go through several IA ideas to understand what all topics are in sync with the IB Biology curriculum and if something grabs your attention, hold on to it! Lost your password? A quart-sized bowl works great. These are just some of the questions which will need answering. IB Biology IA: Enzymes - IB Biology IA: Enzymes - Stuvia US 10, Can we slow down the decaying times of vegetables? Top 100 Biology Topics | Thesis Writing Ideas If you continue to use this site we will assume that you are happy with it. Therefore, it's super important that your IB Biology IA gets as high a mark as possible. How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? . 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. They found that they could propagate their leavening by saving a bit of unused dough to sow the . First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. 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. IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). 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. Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. Neither should the idea be too generic and nor too simplistic. The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. Comparing Gersmehl diagrams from different biomes or applying them in different real-world conditions by measuring the content of nutrient sinks- biomass, litter, or soil. IB Biology IA | Criteria Break Down, Tips & Tricks and Possible IA Ideas 23 Ideas for Science Experiments Using Plants - ThoughtCo The external assessment of biology consists of three written papers. The existence of living organisms without cells. It could be used in a wide range of labs. The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. Independent Variable: Temperature/Psychological Stress (scary movies? Extract your own DNA. 6 years ago. NOTES: Probiotics eat the lactose in milk through fermentation. The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! Contact, Twitter Before we dive more in-depth, you might want to check out our premium IB Biology SL Notes to own your Biology SL papers! Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. 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. 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. IB EE on the effect of pH and salt on the growth of - Issuu Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. Remember any participants will need to give written consent before any experimenting, and the mild stress of exam conditions must be harmless. The climate is different at different altitudes and the growing season begins later at high altitude. How do different kinds of toothpaste compare? biology IA --- bacteria ? - Biology and ESS - IB Survival Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. There are many possible variations, perhaps the presence of animal excrement could be the causal factor, otherwise some species may be more resistant to scratching and disturbance, caged animals can selectively graze on parts of a lawn, just to mention a few ideas. There are some ethical questions involved too, and parental consent will be essential for any experiments on children. How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? Comparing boys and girls for example will be impossible, unless the sample size is very large. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Several university Extension services are now offering easy-to-use websites for those . Exploring how the reaction times of humans get affected with age. Independent Variables: Different toothpaste manufacturers (Colgate vs Sensodyne vs Crest vs Aquafresh), Dependent Variable: Success of bacterial growth (seen by growth on an agar plate), Milk goes off because of lactobacilli reproduction and growth. Exploring how the Water Quality Index (WQI) is affected by water obtained from Chemical Industries/Sewage Treatment Plants. How does the composition of soil affect the growth of runner Plants from the original plant? 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. Enter your email and tell us where to send them! | Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. Change the different conditions in which the plants are found as well as the species. www.thinkib.net. 25 Unique Biology IA Ideas - Think Smart Tutoring The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. 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. Click here to learn more. About us 3.2 The More Data, The Better. The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. 14. My IA was on bacteria by the way if you have any questions. 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. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. Human benchmark lab - Quite a nice small set of tests, including reaction times, Mean arterial pressure calculator online - a useful little calculator, Sciencelab Chemical data sheets MSDS (Materials Safety data sheets) - useful for risk assessments, document.write(new Date().getFullYear()) InThinking Along with a bundle of Past Papers, these premium SL notes include guides for your Extended Essay and Internal Assessments with helpful examples! Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. Can the max performance be measured best using max heart rate or maximum speed? You have to show that the data has been carefully selected, and that measures have been taken to ensure that other factors which might affect the data have been controlled, by careful selection of the data used. One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. Most strands of this bacteria are found to be harmless and even healthy to be part of the human digestive system, however some strands can cause to the development of serious problems like . While having multiple trials is necessary for the investigation, each trial should also have multiple samples. IA is one that has been undertaken with complete zeal and enthusiasm. Hurry, this offer ends on January 17th! Using paper chromatography to analyse the various dyes present in different brands of jelly candy. 100 Biology Research Topics Ideas For Students