Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. 17. 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. 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). How does different conditioners affect the strength of hair? 1. In addition to that, the IA explores how inhibitor ethanol affects the rate of the reaction. Unraveling topoisomerase IA gate dynamics in presence of PPEF and its IB Biology IA Ideas (30+ Topics) - Nail IB How does stomatal density change according light exposure of red and blue light? Read more about it here. The evolution of parasites. Experimental setup:Follow this link to for more information of modelling! IB Biology IA: Enzymes - IB Biology IA: Enzymes - Stuvia US Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. Studying how sudden workout affects the heart rate and baroreceptor feedback. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. What's IB IA Program? Independent Variable: Temperature/Psychological Stress (scary movies? This is an investigation to test a hypothesis that reaction time wll slow down with age. The internal assessment requirements are the same for biology, chemistry and physics. 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? Some of the challenges of this type of investigation will be controlling other factors which affect the growth of plants. You certainly dont want to miss out on these! Perhaps one of these other variables will be a better variable to investigate instead of music. How does the concentration of zinc chloride affect the growth of plaque? Bio IA graded 7 IB score - Aim: To determine the effect of - Studocu It will be useful for students who are lost for an idea, or teachers who are looking for something to inspire a particular student. This would be a challenge and it would require some research before beginning. How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. This is an interesting quantitative method to estimate glucose concentration. 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. 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. 5, Effect of BMI on skin surface temperature in various body areas on rate of recovery once exposed to cold. Subject to the conditions provided for by applicable IB HL Biology IA Proposal - The effect of lactase on various - StuDocu Unit 8, Suite V4Oakville, Ontario,CanadaL6H 1M3. 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! IA Design - IB Chemistry Biology IA 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. To people who got a 7 in their HL Biology IA, what topic did - Reddit If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. Personal engagement, exploration, analysis, evaluation, and communication. (Write your IA title!) Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the. Experimental setup: For this experiment, combine a fixed mass of yeast with increasing concentrations of a sucrose solution and measure the rate of CO2 production! 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. In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. Student work is internally assessed by the teacher and externally moderated by the IB. The internal. IB Biology IA | Criteria Break Down, Tips & Tricks and Possible IA Ideas Toothpaste is labelled according to how natural or how chemical the contents are. This investigation relies on the recording of abiotic data and data about the stage of the flowering cycle using the number of flowers / fruit / buds etc in a single species at different altitudes up a mountain. PDF SIENE IA UIDE SCIENCE IA GUIDE - Lanterna In this investigation a change in a physiological feature is explored. The data collection using the online lab may be easy enough, but the challenge is going to be designing a meaningful experiment and collecting enough results to complete the analysis well. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. 16, Determine the effect of glucose concentration on the rate of osmosis. In accordance 30 Biology IA Topic Ideas! | Lanterna Education Blog Decomposing bacteria and fungi are organisms that help the process of decomposition. The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. 30 Biology IA topic ideas to get your lab report started! Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. 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. Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. This might involve the use of a data logger, or perhaps a titration using bromothymol blue. 9, Do our reaction times slow down with age? At Lanterna we have hundreds of tutors who smashed Biology. The practice of making sourdough is as ancient as bread itself. 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. Level of passive aggression in individual sportsmen is found higher. Bananas lend themselves to this because their skin changes colour. Microorganisms | Free Full-Text | Leukocyte Response to Campylobacter Does it matter what type of light the plant is exposed to affect the growth of auxin? 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 . How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? 6 years ago. Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. HL Biology IA Help! - The Student Room The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. They are produced in nature by soil bacteria and fungi. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at What are some potential topics for my MATH IA that related to biology opening the floodgates to that sweet 45! Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. 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 This investigation is a bit biochemical and the answer to simple research questions about the hydrophobic / hydrophyllic properties of photosynthetic pigments themselves would be a little bit obvious, so the challenge is to thing of a research question that could be answered by mixing petroleum ether (a nonpolar solvent) and propanone (a polar solvent) in different proportions and calculating retention factors. 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. 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. Experimental setup: In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. 1. Enter your email and tell us where to send them! Narrow down the subject. , its objectives, partwise breakdown, and what IB expects of you. 28, How do different antibiotics interact with the process of seed germination? Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. IB Biology IA example: 21/24 Biology HL IA on Mitotic Index - Clastify 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. Maybe you can suggest that to your teacher? The importance of agricultural microbiology. You certainly dont want to miss out on these! Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. Profile. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. Antibiotics | Microbes and the human body | Microbiology Society This investigation tries to establish a pattern between the weather and the spread of a disease. Ventilation rate is a measure of how quickly you breathe. Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. Investigating muscle activity involved when standing on ones toes(Ballet dancers). compare? 5 DIY Biology Experiments You Can Easily Do at Home - Labiotech.eu The will (hopefully) impact the success of germination. Experimental setup:Place a corn seed in a dark cupboard with a single light source. One idea would be to make a series of soils using active compost and sand. Before we match you with one of our trusted tutors, we want to know a little bit about you so we can ensure the best possible support. This is a bit more complex than a simple pulse rate investigation, but the challenge to control variables is equally great.
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