Mold is a fungus that best grows in dark, moist and warm conditions. Saved by Education.com. It is also important to avoid inhaling the spores or touching the mold with bare hands given that mold is an allergen. This species of mold can also grow on fruits which cause the fruits to rot. Research Questions. Therefore, you should never eat moldy bread and eating moldy bread after cutting the mold off should also be avoided. Rhizopus stolonifer is more commonly known as black bread mold. Quantitative Observations- Count how many colonies of mold that have grown in a 24-hour period. Grain mold fungi have repeatedly been associated with losses in seed mass, grain density, and germination and other damage relating to storage quality, food and feed processing quality, and market value of the grain. 222. Remember, fresh bread will mold faster than store-bought bread containing preservatives. Molds grow best in warm, dark and moist conditions. Eating moldy food is not a good idea because mold can be toxic. Experiment Put a piece of bread into each bag. In the first sample, the sealed bread should develop mold more slowly than the unsealed bread. Molds will develop on some of the samples. Mini mycologists plan an experiment to determine what affects the growth of mold on gelatin. Bread mold can come in all sorts of colors, even white which needs a close look to differentiate from flour. Adding salt inhibits the development whereas sugar enhances the method. Although people are most familiar with black mold, green mold, pink mold, and white mold, there are at least 13 common color variations of mold with … Moldy Bread. 345. When pheromones are released by these two types, they trigger the hyphae to grow sideways so that these two types can meet. i am doing a science project and i am seeig what factors affect mold growth on bread , i need to make a observations table but i dont know what to put in it , i need qualitative and quantitative results. Answer Save. Use a dropper to put 10 drops of water on the bread in each bag. A list of available materials is provided, but the procedure needs to be designed by the lab group. The best idea is to discard the food that looks rotten or has tiny furry spots of mold. 8) Observe the bar graph and notice the time. Organized alphabetically by mold name (mold genera/species), these mold spores and their photographs (both on site and under the microscope) have been collected in the U.S., Spain, Mexico, France, as well as in other countries.These are aerobiology laboratory photos of mold under the microscope. Cool Science Fair Projects Science Experiments Kids Science For Kids Science Activities Science Classroom Teaching Science Science Education Life Science Elementary Teaching. Students grow mold on bread and chart observations. Classification . It is important to know as some molds can make you very sick if eaten. moisture will affect bread mold growth. Place a small piece of tape in the corner of the bag and label it with today’s date. Cool Science Fair Projects Science Experiments Kids Science For Kids Science Activities Science Classroom Teaching Science Science Education Life Science Elementary Teaching. Breads in the supermarket with longer shelf life contain ingredients that prevent the growth of mold, but in most homemade bread you won’t add these ingredients, causing it to spoil. Sprinkle water on a slice of bread. Based on its colors, below are the most common ones: Rhizopus; You may have experienced black mold on bread. An Observation of Mold Growth: Using Salt Solution on White Bread to Observe its Effect on Mold Growth Principles of Biology 126 Lab Abstract This experiment's hypothesis was the prediction that putting salt on the three pieces of white bread will promote excessive mold growth. thanks so much!!!!! 4th grade . My hypothesis was supported because no mold had grown in the household conditions it had been put into. Next, create a line graph for the data you’ve collected. Slice Bread From the Middle. This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills. Moldy Bread Experiments These two science experiments will have students testing whether warm or cold bread molds faster and whether moist or dry bread molds faster. Fleming found that his "mold juice" was capable of killing a wide range of harmful bacteria, such as streptococcus, meningococcus and the diphtheria bacillus. The bread stayed the same size. Article by Education.com. Lesson Planet. This type of mold also has a synonym name of Rhizopus nigricans.. Follow along with these instructions to make your own version of the bread mold experiment! 11. Check after about 5 days - If the mold has formed, it is ready for microscopy * If bread is used, it is recommended using soft bread without preservatives because mold will take a long time to grow on bread with preservatives. 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. The image library contains mold-related images in seven categories. Put the bread in the plastic bag. Water activity, or the moisture content of bread, is another factor that directly affects the rate of mold growth 3.To measure the water activity of bread, you can put a sample in an air-tight container and measure the amount of water that vaporizes from the product 3.With water being 1 and bone-dry 0, bread comes in with a water activity of about .95 3. Bread Mold Growth. Sometimes mold reproduces very rapidly – mold can sometimes double in size in an hour. "( What You Need for the Mold Bread Experiment. Pre-sliced bread is more exposed to air and will get moldy much quicker than unsliced bread. Weight of bread before and after a week: Workbook. 7) A bar graph should be made with Time (in days) on Y-axis and type of bread on x-axis. Bread Mold Science Experiment #1: Ask permission to conduct this experiment. Observe the mold or any changes to the bread; Reweigh bread to see the difference in weight; Record your data; Dispose of the bread and/or of the mold; Data: Both pieces of bread were stale. Dependent variable: The amount of mold grown on each sample after a ten day period of observation Controlled variable: The type of bread used, the size of the bread in the sample, the size of the containers they were placed in, time the bread was checked everyday. And with unsliced loaves, you get to determine how thick you want your slices! Monitor the time taken by one bread to develop mold and then note the time of developing of mold on another bread too. Rhizopus stolonifer is classified as a member of the Eukarya because it has cells that are organized into complex structures that are enclosed within … Mawia. These photos may be used for presentations and educational purposes without contacting EPA. 1 Answer. 15 slices of bread. In this activity, students will grow bread mold under several different environmental conditions where the variables include temperature and moisture levels. Mold on bread reproduces as long as there is a food source. If one slice of bread is moldy, it is not a good idea to eat another slice from the same loaf - throw away the entire loaf. There was no bread mold on ether pieces of bread. Some mold is safe to consume, such as the types purposely used to make blue cheese. We placed bread in various conditions (we had dry dark, dry light, wet, open, and in a closed bag) and Monkey came up with a hypothesis for which piece of bread would mold first. You could see growth as soon as 5 days depending on the type of bread you used. What does mold look like under the microscope? CONTROL CLEAN DIRTY Illustrate the bread samples for your group. As you know, the various types of mold can come in a rainbow of colors. But you can salvage other foods with tougher surfaces, like cabbages, carrots and hard cheeses. Moldy Jell-O For Students 9th - 12th. Use a marking pen to label three plastic bags A, B, and C. 2. However, the fungi that can grow on bread give it an off-flavor and may be harmful to your health. Seal the bags and tape them closed with masking tape. The growth of bread mold depends on many different factors, with temperature and moisture being the most important two. In the Mold Bread Experiment we are trying to prove that; "Mold grows quicker at higher temperatures. This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills. Charts and writing prompts round it out. Tape the plastic bag closed. Collaborate Work with a partner. If it was left in a plastic bag that chance is quite large, especially if it’s warm. Seal the plastic bag. Water Activity. Lv 7. Domain: Eukarya. Oct 20, 2017 - Buy Bread Mould Charts Online for schools as well as students regarding their project. An observation was that Ziploc bags work well by preventing moisture and oxygen from getting inside the bag Safety: Do not open any of the bags after sealing. Molds can grow on wood, paper, carpet, and foods. Rhizopus specifically means any rot causing fungi. Most molds on planet Earth thrive in temperatures higher than 70°–this is why we refrigerate food. 1 decade ago. Relevance. Get Free Access See Review. Another way to keep unsliced loaves of bread fresh and mold free is to cut into the middle rather than from the end. No change in the color of the bread. What Are The Colors Of Mold? It feeds on organic matter like bread while decomposing the same. At lower temperatures, mold is able to grow, but it grows at a much slower rate. Bread mold science project science: Our experiment was simple. In the second sample, the bread kept in darkness should develop mold more quickly than the bread kept in light. Molds can easily penetrate deep into a soft food, like bread. The two separate labs include a focus question to be answered, a student hypothesis, list of materials, steps to the procedure, dat Moldy Cheese. We offer in delhi ncr and abroad. It comes from the species Rhizopus stolonifer, and it is one of the most common molds on bread. Which type of food will mold (spoil) the quickest? There are also animated images that you can choose to view and download. Ocean Food Web. It should take around 7-10 days before you will be able to see significant growth on the bread. CONTROL CLEAN DIRTY Charting & Graphing Data: Chart the number of mold colonies that have grown throughout the experiment. Make daily observations of your bread and track the growth of mold. The zone immediately around the mold—later identified as a rare strain of Penicillium notatum—was clear, as if the mold had secreted something that inhibited bacterial growth. Also, this mold has two mating types referred as ‘+’ and ‘-‘. When put to the test along with bread and bananas, which will mold the quickest? Hence it is harmful to consume the moldy bread or even inhale the smell as mold spores could enter the body in that way. The Breakdown! But what conditions are most favorable for mold spores to reproduce? Other Foods with Mold: Eat or Throw Away. Growing Mold Procedure 1. Black bread mold can also reproduce using sexual production. No, say food safety experts. Note both the times and make a graph. At least, there are three mold types that are often found on bread. Mold grows on bread when it’s moist enough for it to grow on.