Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. Studying how different carbohydrates in edibles impact the blood sugar levels in humans. Water Bath Method - Loosen the agar bottle cap, but do not remove it completely. 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. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. Of course, you can use any of our topics for free. 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. Homemade extraction of your own DNA. Some diseases spread through direct contact, others are transmitted by an insect vector. Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? Legal About us Extract your own DNA. 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. Independent Variable: Halophyte seed vs Normal Plant seed. Nice to see you here. It will be useful for students who are lost for an idea, or teachers who are looking for something to inspire a particular student. 10, Can we slow down the decaying times of vegetables? The procedure used should be well structured. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. To seek where great ideas come from and change the way teachers/students learn in the 21st century. 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? 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. opening the floodgates to that sweet 45! 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. Grab ideas, see examples and create own perfect Biology essay and research paper! I'll do so in a series of questions that will help you probe deeper into your IA. These proportions make enough nutrient agar to prepare two petri dishes. Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. . We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! Place the bottle in hot water at 170-190 F until all of the agar is liquid. Many say that as we get older, our reaction times slow down, see if this is true! Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. tillu22. Don't do it! Then, add some liquid soap (like the one you use for washing the dishes), juice from a grapefruit, and . 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 . . In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. Proper research on your part is a bare minimum, and the rest follows. By Background, IB expects you to briefly explain what encouraged you to choose a particular topic and hopefully a personal story that validates your choice and engagement. 1: Cell Biology 1.1: Introduction to Cells 1.2: Ultrastructure of Cells 1.3: Membrane Structure 1.4: Membrane Transport 1.5: The Origin of Cells 1.6: Cell Division 2: Molecular Biology 2.1: Molecules to Metabolism 2.2: Water 2.3: Carbohydrates and Lipids 2.4: Proteins 2.5: Enzymes 2.6: DNA and RNA 2.7: DNA Replication, Transcription and Translation If a person exercises regularly they should have a better level of fitness, this might mean that their heart rate increases by less in the short burst of exercise than someone who does no regular exercise. 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. 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. Do individuals of different types all behave in the same way to a stimulus. 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? 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. Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. Preview 1 out of 13 pages It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Read more about it here, Independent Variables: Concentration of Sucrose. A full experimental setup can be found on this link. Access them all! 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. They are produced in nature by soil bacteria and fungi. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. The problem of this investigation is that it is difficult to measure rehydration or salinity. Copyright 2023 Nail IB. 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. 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. 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. This is a list of possible sites for students to use as online labs. Does the behaviour of an animal change as the population increases? The internal assessment requirements are the same for biology, chemistry and physics. Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. 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 :) Profile. Get up to 300 bonus credits with our tutoring packages! Student work is internally assessed by the teacher and externally moderated by the IB. 3. . 16, Determine the effect of glucose concentration on the rate of osmosis. Read more about it here. If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. 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. Reply 7. Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . Where do you even begin such a task? cactus) and a halophyte (eg. 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. 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. Read more about it here. State your hypothesis; it is important in the context of your research. For instance, if you choose to investigate how light levels affect the predation of peppered moths, you could set a background of you have gained a fascination for that species ever since it was introduced to you for some explanation in your regular classes and eventually give more scientific basis for your choice. The Aim answers Why while the Research Question answers the What. IBDP Biology InThinkingSubject Sites for teachers & their classes Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. A quart-sized bowl works great. Passion is fundamental in research, after all. At Lanterna we have hundreds of tutors who smashed Biology. Comparing the buffering actions of various substances: antacids, milk, sodium bicarbonate, sodium carbonate, detergents, etc. at which many forms of bacteria thrive [9]. It could be used in a wide range of labs. The climate is different at different altitudes and the growing season begins later at high altitude. This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. This begs the question, is there an ideal concentration of sucrose for yeast growth? The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. Then is is going to be a challenge to design a method of data collection which controls all the possible variables. Stir these together well: -teaspoon agar (1 1/5 grams) 13. Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. Canada: +1 (647) 249-7179USA (WhatsApp): +1 (678) 679-2365edu@plusplustutors.com, 407 Iroquois Shore Rd. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. This is a simple experiment to carry out, but a difficult experiment to get good controlled data for. The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. 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? The use of a transect of transects will be useful for the sampling. Dont panic weve got you covered. It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! 9, Do our reaction times slow down with age? Some of the challenges of this type of investigation will be controlling other factors which affect the growth of plants. with peppered moth types. How does the percentage of salinity in water affect the rate of growth of radishes in mass? promotional emails that we send to you. The individual investigation should cover a topic that is commensurate with the level of the course of study. 15. To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. However it could be really interesting to compare simple behaviour in animals. Dependent Variable: Degree of growth of plant towards a light source. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. Are you looking for some IB Biology Internal Assessment (IA) ideas? The IB advise student and teachers, each year, to avoid this sort of lab. How do cleaning products affect the growth of house plants?