3. . Independent Variable:Temperature, Oxygen availability. 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. Constraints, if any, need to be mentioned as well. You will find 100 topics on various subjects below. 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. To measure the rate, you can either measure how quickly different species grow, or one of the other factors described below. Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. While having multiple trials is necessary for the investigation, each trial should also have multiple samples. Natural selection - lab bench Which type of water fleas escape predators best? One idea would be to make a series of soils using active compost and sand. If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! There are lots of practical problems to overcome, most importantly how to change the soil so that it has different amounts of respiration. Remember, the Independent variable is one that you are allowed to change(just one); the Dependent variable is one that you measure as it changes with the Independent variable; all the other experiment conditions must be kept constant to ensure that the experiment is fair. Measuring theses factors might be tricky and will involve some testing, although using a phone camera or a video camera could help. The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. Some preparation time will be required to germinate and plant the seeds. 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. Lots of scope but not an easy investigation to complete in the time, in 12 pages. reply. Independent Variable: Halophyte seed vs Normal Plant seed. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? are the criteria against which the investigation is assessed. Challenges: Providing biological context for why youre measuring certain factors. The climate is different at different altitudes and the growing season begins later at high altitude. Then use agar plates and bacteria to test their effectiveness by seeing how many bacteria grow in the different plates! If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. then this could be a very good study. A full experimental setup can be found on this link. Contact, Twitter However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. Get your own tutor today! 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. Plants also play a significant role in the environment by influencing climate and producing life-giving oxygen. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. Stuck for Ideas planning your Biology IA? 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. About us 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. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Right from neurobiology to the fascinating subjects of the immune system, MyAssignmnethelp.com covers a wide range of biology research topics. Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. Do individuals of different types all behave in the same way to a stimulus. | 12, What happens after the best-by date of dairy products? Photo. watch this thread. There are biology topics that can be connected to culture, music, language, and the like. Toothpaste is labelled according to how natural or how chemical the contents are. Access them all! test HL - mark scheme, Animal physiology - test HL - mark scheme, Topic 2 - Molecular biology revision activities, Topic 3 - Genetics SL revision activities, Topic 5 - Evolution SL revision activities, Topic 6 - human physiology SL revision activities, Topic 7 - Nucleic acids HL revision activities, Topic 8 - Metabolism HL revision activities, Topic 9 - Plant biology HL revision activities, Topic 10 - Genetics HL Revision activities, Topic 11 - Physiology HL Revision activities, Option A - Neurobiology - Revision activities, Option D - Human Physiology Revision activities, Membrane structure & function quiz 1.3 & 1.4, DNA replication, transcription, translation quiz 2.7, Evolution - natural selection quiz 5.1 & 5.2, Humans - digestion and absorption workout, IA investigation - teachers marks summary, Extended Essay titles and research questions, Extended essay - self review quiz for students, EE supervisor roles - during the writing process, EE supervisor roles - feedback on a draft. 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. Toothpaste is supposed to block bacterial growth. These Biology IA Ideas Will Help You Get A High Grade In Your Biology IA. Many methods are possible, and there has been some very recent research suggesting that antibiotics can affect the growth of seeds and plants.ref P.W. How does different sodium chloride concentrations affect seed germination in the bougainvillea plant? It is important to set the Research Question in the background of the chosen topic. Which pigments are made first in a growing leaf, or are all the pigments made at the same time? I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. 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. You can find more information here, Independent Variable: Different Antibiotics, Different Seeds, Dependent Variable: Success of Germination, Rate of Germination. These ideas are for you to start exploring and begin! Also, be sure that you know all of the rules and regulations for your particular science fair before you begin your project. For this experiment, youll investigate how different variables affect the rate of decay! Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. 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. Then, add some liquid soap (like the one you use for washing the dishes), juice from a grapefruit, and . 30 Biology IA topic ideas to get your lab report started! IBDP Biology InThinkingSubject Sites for teachers & their classes Bananas lend themselves to this because their skin changes colour. The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. A well. Browse these for more information! How does increasing the concentration of Oxytetracycline in mg/L affect root elongation in cm of Citrus limon? [], We all know that scoring superbly on internal assessments is a great way to boost our IB grades. 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. Perform the relevant analysis, keeping in mind the research question, and conclude. The challenge will be in deciding which concentrations to test and in explaining the results. The 80 Most Common IB Biology Exam Questions! How does cumin and turmeric powder, in comparison to indigestion tablets, affect the rate of neutralization of hydrochloric acid, measured by the difference of change of pH levels in 5 minutes? Posted October 26, 2015. 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). 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. promotional emails that we send to you. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. This creates fermented products. In this investigation a change in a physiological feature is explored. In some other cases E. coli can also cause urinary tract infections. 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. Comparing the buffering actions of various substances: antacids, milk, sodium bicarbonate, sodium carbonate, detergents, etc. So there we have it! Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? 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. An ideal IA idea is one that reeks of originality and leaves room for proper investigation and analysis in the process. The existence of living organisms without cells. Of course, you can use any of our topics for free. Experimental setup:Use a potometer to measure the rate of transpiration. Keep the research question brief and relevant. Exploring how the height of plants is affected by Nitrogen or Fluoride based fertilizers used. The practice of making sourdough is as ancient as bread itself. The procedure used should be well structured. They are produced in nature by soil bacteria and fungi. This is nice project if there is a specific environmental gradient in the site being investigated. Some diseases spread through direct contact, others are transmitted by an insect vector. 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? Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. Perhaps one of these other variables will be a better variable to investigate instead of music. Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. The development of biotechnology. Learn everything you need to get a 7 in your IB subjects with our online courses. Still feeling a bit uneasy about the task ahead? and uncertainties. Place the bottle in hot water at 170-190 F until all of the agar is liquid. There may be a combination of roles for plant roots and bacteria in the substrate and both of these link to the nitrogen cycle and so would allow for a detailed hypothesis and a focused research question. We look forward to joining the Lanterna and being part of your success. Introduction How do different concentrations of lactases affect the breakdown of disaccharides like lactose in milk effectively? assessment, worth 20% of the final assessment, consists of one scientific investigation. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. Maybe you can suggest that to your teacher? Originally Answered: what are some examples of good biology IA's? Top 80 Most Common IB Biology Exam Questions. It will be useful for students who are lost for an idea, or teachers who are looking for something to inspire a particular student. How does stomatal density change according light exposure of red and blue light? Investigating muscle activity involved when standing on ones toes(Ballet dancers). 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 a simple experiment to carry out, but a difficult experiment to get good controlled data for. This investigation tries to establish a pattern between the weather and the spread of a disease. Before you can grow bacteria, you'll need to prepare sterile culture dishes. Using nationally published data on epidemiology and weather data is certainly possible and it could happen that there are correlations between climate and some disease outbreaks this will need explaining in terms of the mechanisms of transmission of the specific disease. Starting at deep purple, and ending at far red, write down the A values. All rights reserved. Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. Experimental setup:Gather participants for the study and compare how quickly they can catch a ruler (measured in cm). Plant project studies allow us to learn about plant biology and potential usage for plants in other fields such as medicine, agriculture, and biotechnology. 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! It is important that you do the work yourself and not just copy the material. 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. 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! What's IB IA Program? Get for free what others have paid $100s in tuition Studying how sudden workout affects the heart rate and baroreceptor feedback. 12 Investigation ideas with a biological twist. This FREE guide reveals the most powerful information for boosting your extended essay score and The evolution of parasites. 8, How do the buffering actions of milk, yogurt, juices, detergents etc. The will (hopefully) impact the success of germination.