Comparing boys and girls for example will be impossible, unless the sample size is very large. 6, How does sudden change in body position affect heart rate and baroreceptor feedback? The internal assessment requirements are the same for biology, chemistry and physics. Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. 12 Investigation ideas with a biological twist. Alternatively, sign up to our sites at www.studyib.net This is an interesting topic of investigation which relates to osmosis and ecology. 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? 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. Despite so, there are still some that can cause bloody diarrhea, severe anaemia or kidney failure, all in which can lead to death. 3, Describe how the primary productivity of algae changes with temperature, algae concentration, other aquatic plants, salinity, nutrients, and any other variables you may want to consider. Different plants will change their transpiration rates in response to the environment. Some preparation time will be required to germinate and plant the seeds. and uncertainties. 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. This is an interesting quantitative method to estimate glucose concentration. 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. This is a great idea, but it could be complex and time consuming depending on the lab. 0. 30 Biology IA topic ideas to get your lab report started! This investigation could be a nice way to combine two standard procedures, one to estimate the rate of respiration in the soil and another to estimate the rate of growth of a plant. compare? 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. IBDP Biology InThinkingSubject Sites for teachers & their classes 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. Outline the Equipment, time, and resources to keep a check on its feasibility. Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. My IA was on bacteria by the way if you have any questions. How does the percentage of salinity in water affect the rate of growth of radishes in mass? Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. Level of passive aggression in individual sportsmen is found higher. 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. Originally Answered: what are some examples of good biology IA's? IA Descriptors-1 - IA Descriptors for IB Biology; PDB-101 Molecule of the Month Ribosome; Hardy-Weinberg equation - example; Biology paper 1 HL n19; . Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? Using a previously characterized and described abdominal model to define the avian immune response to Salmonella intra-abdominal challenge in chickens, we have adapted this technique for the study of chickens' immune response to a Campylobacter intra-abdominal challenge. If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. 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. Natural selection - lab bench Which type of water fleas escape predators best? 2. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. Designed by Harvard tutors to allow you exceed beyond expectations. HL Biology IA Help! Are you struggling with choosing your topic for your IB Biology IA? By siging up, I agree to Lanternas Then use agar plates and bacteria to test their effectiveness by seeing how many bacteria grow in the different plates! 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? It could be used in a wide range of labs. In order to do well in any science IA, you need to fulfil the criteria i.e. 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. 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'. How do different concentrations of lactases affect the breakdown of disaccharides like lactose in milk effectively? Experimental setup:Gather participants for the study and compare how quickly they can catch a ruler (measured in cm). One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. If you are still not dissuaded then be sure to collect enough data and try to be analytical, don't mix types of music and tempos of music and try to keep the investigation to some biological cause or effect. If the algae is green, then the maxima should be over in . Plant project studies allow us to learn about plant biology and potential usage for plants in other fields such as medicine, agriculture, and biotechnology. Personal engagement, exploration, analysis, evaluation, and communication. The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. I'll start first; for my HL Biology IA, I Investigated the effect of varying wavelengths of light on the growth of bacteria; and ended up getting a 21/24 which is equal to a 7 :) Dont worry, weve all been there. Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. In some other cases E. coli can also cause urinary tract infections. Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? What's IB IA Program? The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. This FREE guide reveals the most powerful information for boosting your extended essay score and These are just some of the questions which will need answering. Place the bottle in hot water at 170-190 F until all of the agar is liquid. The external assessment of biology consists of three written papers. 17. Independent, Dependent variables need to be highlighted, as should the hypothesis. IB Acronym Glossary - Please help IB Community :) which are specifically designed for self study and revision. There could be some biology theory applied to the plants leaves, or roots. IA is one that has been undertaken with complete zeal and enthusiasm. These ideas are for you to start exploring and begin! 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). 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). Click here (amylase) or Click here ( pancreatin amylase) from Carolina. Topics about Biology, we've collected for you from our best Biology papers samples! http://www.xrite.com/online-color-test-challenge. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? Well, you can try to model bacteria growth, cell division. How does different conditioners affect the strength of hair? Want some A-quality guidance? 3. Read more about it here. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. They are produced in nature by soil bacteria and fungi. The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth To make things as simple as possible for you, we've put together a list of biology research project ideas. 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. . Lots of plant ideas in the questions and answers, https://sciencecourseware.org/BiologyLabsOnline/, Mean arterial pressure calculator online -, Sciencelab Chemical data sheets MSDS (Materials Safety data sheets). How does extract of the seeds and the leaves of the moringa plant (herbal medicine) show antifungal activity against the Malassezia yeast (Pittosporum) fungi that causes dandruff? This page is a simple list of general biological ideas for investigations. Legal Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. Canada: +1 (647) 249-7179USA (WhatsApp): +1 (678) 679-2365edu@plusplustutors.com, 407 Iroquois Shore Rd. 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. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. Sometimes sites go ofline or change their address. HL Biology IA Help! 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 intra-abdominal Campylobacter infection model facilitates the characterization of peripheral blood leukocyte . Perform the relevant analysis, keeping in mind the research question, and conclude. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. The individual investigation should cover a topic that is commensurate with the level of the course of study. Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. In this post, we outline the different necessary components. The internal assessment requirements are the same for biology, chemistry and physics. These Biology IA Ideas Will Help You Get A High Grade In Your Biology IA. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Population growth curves. Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. 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. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. [], or you can call us here at: +44 20 4571 0455. Plants also play a significant role in the environment by influencing climate and producing life-giving oxygen. A quart-sized bowl works great. We know that our topic has to be somewhat related to the syllabus, but where should we focus? Passion is fundamental in research, after all. 6 years ago. The internal assessment requirements are the same for biology, chemistry and physics. Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. For 5,000 years or more, humans have mixed flour and water, waited for the mixture to ferment, and when it was good and sour and full of gas, used it as leavening to make dough rise. For example, an idea inspired by how the soil pH affects seed germination could be investigated in a new light; think of other factors controlling/affecting seed germination, and with a focus on quantitative data, you could progress further in your report. Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. Sterilize the spreader by holding it over the spirit lamp and then cooling it in the laminar airflow. The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. 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. (16 More IB Resources), See The biological explanation of why blood pressure might change when reading may be tenuous. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to spoilage? Keep the research question brief and relevant. Athletes perform better if they warm up properly before an event. Stomata are the areas of gas exchange in leaves. Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. legislation, you have rights in relation to your data. Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. How does a sudden and intensive workout affect the heart rate, and to what extent does warm up have an impact on the maximum heart rate? The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. 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! Maybe you can suggest that to your teacher? Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. 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. Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. 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. Download our Guide: How to Write a Perfect Biology IA (Click Here), If youre interested in getting additional support for your Biology IA, we have a team of expert IB Biology tutors that can help you plan, structure and execute your assignment. Independent Variable:Temperature, Oxygen availability. Many say that as we get older, our reaction times slow down, see if this is true! At Lanterna we have hundreds of tutors who smashed Biology. Learn everything you need to get a 7 in your IB subjects with our online courses. Unit 8, Suite V4Oakville, Ontario,CanadaL6H 1M3. Challenges: Providing biological context for why youre measuring certain factors. These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. Use a clean, microwave-safe container to mix the agar with water and then boil it. Neither should the idea be too generic and nor too simplistic. Therefore, it's super important that your IB Biology IA gets as high a mark as possible.
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