You must make a note of the brand and use-by date so that anybody else wanting to repeat the Mold Bread Experiment can use the same type. You can also experiment with natural preservatives such as vinegar and salt. Those most at risk are infants and children, the elderly, pregnant women, allergy and asthma patients… 1579 Words 7 Pages in contact with mold everyday of their lives. Opening the bag can release mold spores into your environment that are not good for your health. Other commenters have also suggested that this needs to be shown to adults, who clearly aren't taking hygiene seriously enough, and have tagged people who should wash their hands more.
Find more easy science experiments in the Get more homeschooling tips for moms in the full 31 days of homeschooling tips for moms series! This is where the spores breed and grow. How and why does mold form on bread? Store each bagged sample in areas with different varying light levels to see how light affects mold. If you used foods that contain preservatives, mold may not have grown very well on them. Well, one teacher in Gray's Creek, North Carolina, has managed to do both for her class in one foul, really gross swoop. Rhizopus stolonifer is the most common and fast growing bread mold.
Because people are indoors so often, harmful mold normally grows inside. Why are the Results Important? Seek permission from your parents and teacher before you start with the experiment. Which one grows more mold? And have bought mold spores. You also need to label each set of bags 1 to 5. PowToon is a free tool that allows you to develop cool animated clips and animated presentations for your website, office meeting, sales pitch, nonprofit fundraiser, product launch, video resume, or anything else you could use an animated explainer video. You can then plot this information onto a graph and begin to explore your results. One mold that grows on lemons looks like a blue-green powder.
What are some ways that people use to preserve their food? Further Experiments Now that you have finished and obtained some results, maybe you want to see if other variables affect the rate at which mold grows. After a few more days, some of the food in your mold terrarium may start to rot and look really gross. Bread mold spores that are suspended in the air will eventually reach the surface of the bread. The fifth bread slice that was kept in the refrigerator, took the longest for the mold to appear. Prepare four slices of the same bread according to the guidelines.
Mold helps food and other materials rot, which is an icky but necessary thing. Be careful not to put any pressure, or create any damage while inserting the bread slices into the bags. Here is a diagram of bread mold in detail. Prepare the bread according to the guidelines. Air gets into these holes, and a very special kind of mold grows there as the cheese ripens. An independent variable is a variable that the experimenter or nature manipulates in order to perform the experiment.
If you want to test whether or not light has an effect on the growth of mold, store samples in different light environments. This way you can vary one element, and note down various observations of the mold growth. However, when this experiment is performed in school many times the students are asked to observe the mold under a microscope. This growth is called bread mold. The bread slices are observed daily to ascertain if there are any signs of mold growing. Meredith Juncker is a PhD candidate in Biochemistry and Molecular Biology at Louisiana State University Health Sciences Center. Any sort will do but it is perfectly fine to use cheap white sliced bread as then you will know that all of the slices are a similar size, weight and thickness.
It can be fun, informative, and most importantly it means you get to create special memories with your child! The independent variable would be how much water the researcher sprays on the bread. Also, after you are done noting down the results of the experiment, dispose off the bags containing moldy bread safely, without opening them. One of the most common ways mold is used positively is to make antibiotics such as penicillin. The hypothesis all together was incorrect. If you want, you can take videos or pictures of the mold every alternate day. They should all come from comparable sources, such as commercial bakeries.
But when bread sits out too long you start to notice some fuzzy stuff growing on it. The bread mold experiment is a common simple science experiment for children who are learning about the scientific method, particularly the process of making a hypothesis. Make multiple samples of moistened bread. They are easy and inexpensive to do but also allow you to follow all the steps of the scientific method. The tiny cells of mold are called spores. Not all mold is cottony, however.