Lots of scope but not an easy investigation to complete in the time, in 12 pages. Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. IB Biology IA Ideas Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? The stages of embryonic development. It is important to set the Research Question in the background of the chosen topic. Ventilation rate is a measure of how quickly you breathe. should include all the normal conventions of d.p. Topics about Biology, we've collected for you from our best Biology papers samples! Your Ultimate Guide for Acing IB Psychology Paper 2, The Perfect Guide to Earn a 7 in your IB Psychology IA, The A to Z Guide for Structuring your TOK Essay for Optimal Success, 7 Different Ways to Make the Most of your IB DP Y1 Winter/Summer Break, How to Stay Sane: A Promising Guide to Stress Management in the IB DP. An IB Internal Assessment is an individual assignment assessed by a subject teacher following a given set of criteria to guide, construct, and evaluate the finished assignment. Vegetables decay over time but how can we slow down the process? Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. Proper research on your part is a bare minimum, and the rest follows. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. Therefore, it's super important that your IB Biology IA gets as high a mark as possible. Keep the research question brief and relevant. The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. IA Biology HL 6 In accordance Different plants will change their transpiration rates in response to the environment. Subject to the conditions provided for by applicable Whether you are looking for immediate help for IB Biology internal assessments ideas, online tutoring for any IB subject including biology or best study material for any IB group 1 to IB . There are some ethical questions involved too, and parental consent will be essential for any experiments on children. The Aim answers Why while the Research Question answers the What. 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. I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. are the criteria against which the investigation is assessed. The internal assessment requirements are the same for biology, chemistry and physics. 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. This could be a difficult investigation to do quantitatively unless there was a longer time period available to observe growth. 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. 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? watch this thread. Click here to learn more. Still feeling a bit uneasy about the task ahead? cactus) and a halophyte (eg. Independent Variable: Temperature/Psychological Stress (scary movies? Before we dive more in-depth, you might want to check out our premium IB Biology SL Notes to own your Biology SL papers! The data must be analysed by the student and tables / graphs etc. It is a complex branch of biology that studies the smallest units and the living organisms. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? A 125ml bottle of nutrient agar contains enough to fill about 10 petri dishes. Along with a bundle of Past Papers, these premium SL notes include guides for your Extended Essay and Internal Assessments with helpful examples! 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. Copyright 2023 Nail IB. How do different kinds of toothpaste compare? The following examples are not unethical, but just not very good, because the data is rarely enough for a good analysis and difficult to control. Read more about it here. Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. 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. Measuring the change in iron levels of avocados as they go through different ripening stages 25. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. legislation, you have rights in relation to your data. Clearly state your interest. 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'. 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. But how do antibiotics affect the growth or successful germination of plants? 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. 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? Grab ideas, see examples and create own perfect Biology essay and research paper! Registration confirmation will be emailed to you. 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. The IB advise student and teachers, each year, to avoid this sort of lab. How do cleaning products affect the growth of house plants? 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. 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. 5 years ago. One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. Halophytes grow in Salty conditions whereas normal plants dont. Paper 2 contains short-answer and extended-response questions on the core (and Additional Higher Level (AHL) material . Do individuals of different types all behave in the same way to a stimulus. Math solutions -. Contact, Twitter Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. 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! There are biology topics that can be connected to culture, music, language, and the like. Well, you can try to model bacteria growth, cell division. This was my Biology HL IA which was given a 21/24 by the IB. (Use egg as imitation of tooth). These are all genera and the specific species present definitely vary between cultures. Many say that as we get older, our reaction times slow down, see if this is true! The will (hopefully) impact the success of germination. Kimchi is a traditional fermented cabbage dish from Korea. The individual investigation should cover a topic that is commensurate with the level of the course of study. Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. This study could be an investigation of how effectively the toothpaste inhibits the growth of bacteria according to the scale of the chemicals in the toothbrush. The first step consists of spitting on the glass and adding a pinch of salt to it. The practical methods to germinate seeds and select appropriate salt concentrations will present definite challenges but this is an interesting study for students living near the coast, or in places where salt is applied to the roads in winter. Reference to Course: Molecular Biology(Enzymes). You certainly dont want to miss out on these! 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. Check out some Physics IA ideas here!11, What is the effect of the salt concentration on germination of different types of seeds? We hope our list of Internal Assessment Ideas was useful. This is a list of possible sites for students to use as online labs. Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. 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. This creates fermented products. Citing documents/web pages and giving references is another important aspect of your IA that needs to be taken care of. Lower concentrations will slow respiration because of a lack of substrate. 30, Exploring mollusc shapes with regards to an external variable e.g. How does different sodium chloride concentrations affect seed germination in the bougainvillea plant? My IA was on bacteria by the way if you have any questions. This is an interesting quantitative method to estimate glucose concentration. Take inspiration from these and research further to land on that one idea that gets you going! What has inspired you to do that topic? The climate is different at different altitudes and the growing season begins later at high altitude. 3.2 The More Data, The Better. 2. 15, Analysing the impact of river pollution on marine life. 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 . To seek where great ideas come from and change the way teachers/students learn in the 21st century. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. (Write your IA title!) 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. Without further adieu, lets dive headfirst into 30+ IB Biology IA ideas for your Biology IA Investigation! Want some A-quality guidance? Download our 2022 Biology IA Guide (Checklist) to help write the perfect Internal Assessment. They know exactly how to get a 7 in your IA and exam and can give you tips and tricks on how you can do the same. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. The biological explanation of why blood pressure might change when reading may be tenuous. Despite so, there are still some that can cause bloody diarrhea, severe anaemia or kidney failure, all in which can lead to death. Studying how different carbohydrates in edibles impact the blood sugar levels in humans. By testing people of different ages to see if there is a difference in their reaction time it may seem like a simple study, but there are a lot of factors which need to be controlled and it will be difficult to find enough participants to create a large enough data set. This page is a simple list of general biological ideas for investigations. Some diseases spread through direct contact, others are transmitted by an insect vector. Is there an optimum intensity of warm up to achieve best performance? 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. Click, See Different plants that live in different conditions will have different requirements for gas exchange. Comparing boys and girls for example will be impossible, unless the sample size is very large. Experimental setup:Set up an experiment that measures the ethylene or CO2 levels of fruits over time, and expose different fruits to different independent variables. Exploring root hair cells and finding their visibility with age. Perform the relevant analysis, keeping in mind the research question, and conclude. To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. Maybe you can suggest that to your teacher? Experimental setup: In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. The biological functions of water. You. Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . We look forward to joining the Lanterna and being part of your success. 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? Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. Reply 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. Investigating muscle activity involved when standing on ones toes(Ballet dancers). Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. The evolution of parasites. This investigation might sound simple at a first glance but there are many difficulties to overcome in terms of controlled variables and the method of measuring the CO2. Some independent variables will be easier to test than others, for example size of text and distance wt which it can be read, would be better than measuring reading speed which can be affected by many other variables. Auxin hormone is largely responsible for controlling the direction of plant growth. 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. Exemplars. Outline the Equipment, time, and resources to keep a check on its feasibility. Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. HL Biology IA Help! Other possibilities are paper simulations, e.g. 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. Need inspo for Physics too? newsletters and promotional offers. Challenges: Being consistent in assessing the fruit ripeness. This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. 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). Does the behaviour of an animal change as the population increases? How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! State your hypothesis; it is important in the context of your research. Get for free what others have paid $100s in tuition If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. promotional emails that we send to you. Alternatively, sign up to our sites at www.studyib.net A full experimental setup can be found on this link. One idea would be to make a series of soils using active compost and sand. Browse. location on shore. 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 . 30 Biology IA topic ideas to get your lab report started! 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 Does it matter what type of light the plant is exposed to affect the growth of auxin? Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. To make matters worse, on top of just doing the dreaded maths exam, were also expected to write a Maths IA exploration into a topic of our choice! Use it to spread the bacteria across the surface of the Petri dish while rotating it. (1 More IB Past Papers). the Studying the effect of enzymes on Cheese production. Within each topic listed below, we include the basic reasons for investigating each topic, what the possible independent variables and dependent variables are as well as the basic experimental setup! One possible solution is to measure another (or some other) factors about the body and look for a correlation. Dont worry, weve all been there. Are you looking for some IB Biology Internal Assessment (IA) ideas? How does different conditioners affect the strength of hair? Sometimes sites go ofline or change their address. 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? with current laws and regulations, you can unsubscribe at any time by clicking on the link in Investigation of the functioning of the eyes when using paper or different electronic screens. Experimental setup:Place a corn seed in a dark cupboard with a single light source. Remember any participants will need to give written consent before any experimenting, and the mild stress of exam conditions must be harmless. Investigate the influence of Ph levels in the soil on the development of the Lepidium avitum 2) How does the concentration of potassium chloride affect the growth of Lepidium savitum. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. Report. 6, How does sudden change in body position affect heart rate and baroreceptor feedback? tillu22. Don't do it! 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. Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. A well. We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! The best investigations will have a biological reason why there might be a correlation between the IV and the DV.
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