Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. Read more about it here, Independent Variables: Concentration of Sucrose. Natural selection - lab bench Which type of water fleas escape predators best? opening the floodgates to that sweet 45! to inspire and stimulate your grey cells! 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! Comparing Gersmehl diagrams from different biomes or applying them in different real-world conditions by measuring the content of nutrient sinks- biomass, litter, or soil. This FREE guide reveals the most powerful information for boosting your extended essay score and Constraints, if any, need to be mentioned as well. Don't do it! What has inspired you to do that topic? Reference to Course: Molecular Biology(Enzymes). 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. Lots of plant ideas in the questions and answers It is also possible to use this method to study glucose levels in ripening fruit, lactase activity in milk producing glucose or maltase activity in germinating seeds. Many say that as we get older, our reaction times slow down, see if this is true! 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. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. The challenge will be in deciding which concentrations to test and in explaining the results. The release of CO2 by the body in the lungs is not simple either, factors to consider include the relative amounts of aerobic and anaerobic respiration, as well as the position of the muscles being exercised. This is a great idea, but it could be complex and time consuming depending on the lab. Nice to see you here. It is a complex branch of biology that studies the smallest units and the living organisms. How does different conditioners affect the strength of hair? Citing documents/web pages and giving references is another important aspect of your IA that needs to be taken care of. This is nice project if there is a specific environmental gradient in the site being investigated. www.thinkib.net. It is important to set the Research Question in the background of the chosen topic. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. The Aim answers Why while the Research Question answers the What. | IA Biology HL 6 There are biology topics that can be connected to culture, music, language, and the like. The internal assessment requirements are the same for biology, chemistry and physics. Majority of them are restricted to the intestine location on shore. 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. The easiest way to solve it is to simply ask your teacher whether it will be possible, if you have good arguments they may let you do it Reply Posted June 10, 2015 Our bio teacher informed us we can do IAs involving bacteria as long as we use the incubator in the school, under his supervision. 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 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. Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. . There are plenty of factors to control which makes this investigation difficult and if there isn't enough data or the controls are not in place this could lead to a low mark after much work. How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? You can visit www.ibbiologytutors.com to register for a FREE demo session.. Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. legislation, you have rights in relation to your data. 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. Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. 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. Therefore, it's super important that your IB Biology IA gets as high a mark as possible. Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? Experimental setup:Place a corn seed in a dark cupboard with a single light source. | HL Biology IA Help! IB Biology IA Ideas wont strike out of the blue, but heres a list of. The bacterial component shows more variation, including representation from Acetobacter and Gluconacetobacterto turn ethanol into acetic acid (giving the sour, vinegar flavor)as well as Lactobacilluslactic acid-producing bacteriain some instances. Perhaps one of these other variables will be a better variable to investigate instead of music. 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. Reply Observe how changing the colour of the light source impacts the success of phototropism! 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 :) One idea would be to make a series of soils using active compost and sand. 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? Enter your email and tell us where to send them! Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. Math solutions -. While having multiple trials is necessary for the investigation, each trial should also have multiple samples. then this could be a very good study. Before you can grow bacteria, you'll need to prepare sterile culture dishes. In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. 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. Some of the challenges of this type of investigation will be controlling other factors which affect the growth of plants. 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. Understanding how a particular abiotic factor affects the biodiversity in a habitat. Teens can work to find out why certain plants present certain colors. Of course, you can use any of our topics for free. Hurry, this offer ends on January 17th! 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. Lost your password? There could be some biology theory applied to the plants leaves, or roots. I'll do so in a series of questions that will help you probe deeper into your IA. Dependent Variable: Rate of Seed Germination. 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. It is very easy to extract DNA at home just using everyday kitchen supplies. Comparing boys and girls for example will be impossible, unless the sample size is very large. Contact, Twitter State your hypothesis; it is important in the context of your research. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. Legal and uncertainties. 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. http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Heres a useful link for ventilation rates. 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! Investigate how different species of plants respond differently to environmental stimuli. assessment, worth 20% of the final assessment, consists of one scientific investigation. One nice idea might be to see if the growth in the lungs' vital capacity correlates better with the circumference of the skull or the length of the legs in children of different ages. What is the most effective way of fighting an endemic? I did one on predator-prey relationships and in the end I modelled two sine graphs. You will find 100 topics on various subjects below. Then use agar plates and bacteria to test their effectiveness by seeing how many bacteria grow in the different plates! To get started, you'll need to make your agar and fill some petri dishes. IA Biology HL 6 Investigating the relationship between consumption of fat and carbohydrates per capita per day measured in kcal and share of adult obesity in a country as a percentage of the population IA Biology HL 7 Investigating Effect of Different concentration of pesticides on bacterial growth. This is an interesting quantitative method to estimate glucose concentration. Investigation of the functioning of the eyes when using paper or different electronic screens. Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs. Read more about quadrat sampling here, Independent Variable: Soil pH, Nitrates in Soil, Oxygen concentration, Dependent Variable: Presence or absence of certain species. 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. 1. NOTES: Probiotics eat the lactose in milk through fermentation. which are specifically designed for self study and revision. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. Then, add some liquid soap (like the one you use for washing the dishes), juice from a grapefruit, and . OP. promotional emails that we send to you. IB HL Biology IA Proposal - The effect of lactase on various percentages of milk The digestive - Studocu the effect of lactase on various percentages of milk the digestive enzyme lactase breaks down sugar in milk called lactose, in order to produce glucose. Remember! How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to spoilage? The greatest challenge in this investigation is getting a large enough data set which takes into consideration enough of the factors which need to be controlled. Antibiotics. Vegetables decay over time but how can we slow down the process? Even though many of these topics led to high scores for some of our graduates in the past, it is important that you listen to the advice of your subject teacher before choosing any topic! 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. Measuring the change in iron levels of avocados as they go through different ripening stages 25. 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. 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. 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. The biological explanation of why blood pressure might change when reading may be tenuous. Plants also play a significant role in the environment by influencing climate and producing life-giving oxygen. About us But how do we get started on a lab report and, crucially, what should we write about? Studying how sudden workout affects the heart rate and baroreceptor feedback.