Answer Save. Next, create a line graph for the data you’ve collected. Experiment Put a piece of bread into each bag. 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. 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. When put to the test along with bread and bananas, which will mold the quickest? 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. Mawia. However, the fungi that can grow on bread give it an off-flavor and may be harmful to your health. You could see growth as soon as 5 days depending on the type of bread you used. At lower temperatures, mold is able to grow, but it grows at a much slower rate. Tape the plastic bag closed. The growth of bread mold depends on many different factors, with temperature and moisture being the most important two. Bread Mold Growth. Moldy Cheese. Quantitative Observations- Count how many colonies of mold that have grown in a 24-hour period. This type of mold also has a synonym name of Rhizopus nigricans.. No change in the color of the bread. Put the bread in the plastic bag. Eating moldy food is not a good idea because mold can be toxic. Therefore, you should never eat moldy bread and eating moldy bread after cutting the mold off should also be avoided. Sprinkle water on a slice of bread. "( What You Need for the Mold Bread Experiment. 4th grade . As you know, the various types of mold can come in a rainbow of colors. Weight of bread before and after a week: Classification . Pre-sliced bread is more exposed to air and will get moldy much quicker than unsliced bread. When pheromones are released by these two types, they trigger the hyphae to grow sideways so that these two types can meet. Some mold is safe to consume, such as the types purposely used to make blue cheese. Molds can grow on wood, paper, carpet, and foods. Follow along with these instructions to make your own version of the bread mold experiment! This species of mold can also grow on fruits which cause the fruits to rot. An observation was that Ziploc bags work well by preventing moisture and oxygen from getting inside the bag Water Activity. 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. The image library contains mold-related images in seven categories. Most molds on planet Earth thrive in temperatures higher than 70°–this is why we refrigerate food. What Are The Colors Of Mold? 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. Collaborate Work with a partner. Moldy Bread. At least, there are three mold types that are often found on bread. Bread mold science project science: Our experiment was simple. Seal the bags and tape them closed with masking tape. The bread stayed the same size. CONTROL CLEAN DIRTY Illustrate the bread samples for your group. 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. 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. Lv 7. Get Free Access See Review. Ocean Food Web. 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 … These photos may be used for presentations and educational purposes without contacting EPA. Slice Bread From the Middle. Note both the times and make a graph. Mold is a fungus that best grows in dark, moist and warm conditions. Place a small piece of tape in the corner of the bag and label it with today’s date. Workbook. Article by Education.com. Molds can easily penetrate deep into a soft food, like bread. Charts and writing prompts round it out. Students grow mold on bread and chart observations. Seal the plastic bag. In this activity, students will grow bread mold under several different environmental conditions where the variables include temperature and moisture levels. Moldy Jell-O For Students 9th - 12th. It feeds on organic matter like bread while decomposing the same. The best idea is to discard the food that looks rotten or has tiny furry spots of mold. My hypothesis was supported because no mold had grown in the household conditions it had been put into. It should take around 7-10 days before you will be able to see significant growth on the bread. 15 slices of bread. It is important to know as some molds can make you very sick if eaten. Remember, fresh bread will mold faster than store-bought bread containing preservatives. 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. Make daily observations of your bread and track the growth of mold. 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. Relevance. 11. No, say food safety experts. Molds grow best in warm, dark and moist conditions. 222. In the Mold Bread Experiment we are trying to prove that; "Mold grows quicker at higher temperatures. moisture will affect bread mold growth. Another way to keep unsliced loaves of bread fresh and mold free is to cut into the middle rather than from the end. Mini mycologists plan an experiment to determine what affects the growth of mold on gelatin. But you can salvage other foods with tougher surfaces, like cabbages, carrots and hard cheeses. 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. 1 decade ago. We offer in delhi ncr and abroad. Other Foods with Mold: Eat or Throw Away. Sometimes mold reproduces very rapidly – mold can sometimes double in size in an hour. Use a marking pen to label three plastic bags A, B, and C. 2. Rhizopus stolonifer is more commonly known as black bread mold. 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. In the first sample, the sealed bread should develop mold more slowly than the unsealed bread. thanks so much!!!!! Safety: Do not open any of the bags after sealing. There are also animated images that you can choose to view and download. Domain: Eukarya. In the second sample, the bread kept in darkness should develop mold more quickly than the bread kept in light. Rhizopus specifically means any rot causing fungi. Based on its colors, below are the most common ones: Rhizopus; You may have experienced black mold on bread. Cool Science Fair Projects Science Experiments Kids Science For Kids Science Activities Science Classroom Teaching Science Science Education Life Science Elementary Teaching. Bread mold can come in all sorts of colors, even white which needs a close look to differentiate from flour. This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills. The Breakdown! 1 Answer. 345. Research Questions. Monitor the time taken by one bread to develop mold and then note the time of developing of mold on another bread too. Lesson Planet. Black bread mold can also reproduce using sexual production. Also, this mold has two mating types referred as ‘+’ and ‘-‘. Mold grows on bread when it’s moist enough for it to grow on. CONTROL CLEAN DIRTY Charting & Graphing Data: Chart the number of mold colonies that have grown throughout the experiment. 8) Observe the bar graph and notice the time. Mold on bread reproduces as long as there is a food source. This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills. It is also important to avoid inhaling the spores or touching the mold with bare hands given that mold is an allergen. If it was left in a plastic bag that chance is quite large, especially if it’s warm. Cool Science Fair Projects Science Experiments Kids Science For Kids Science Activities Science Classroom Teaching Science Science Education Life Science Elementary Teaching. 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. What does mold look like under the microscope? 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. Hence it is harmful to consume the moldy bread or even inhale the smell as mold spores could enter the body in that way. It comes from the species Rhizopus stolonifer, and it is one of the most common molds on bread. Adding salt inhibits the development whereas sugar enhances the method. Rhizopus stolonifer is classified as a member of the Eukarya because it has cells that are organized into complex structures that are enclosed within … 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. 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. But what conditions are most favorable for mold spores to reproduce? And with unsliced loaves, you get to determine how thick you want your slices! Molds will develop on some of the samples. There was no bread mold on ether pieces of bread. 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. Growing Mold Procedure 1. Fleming found that his "mold juice" was capable of killing a wide range of harmful bacteria, such as streptococcus, meningococcus and the diphtheria bacillus. Oct 20, 2017 - Buy Bread Mould Charts Online for schools as well as students regarding their project. Saved by Education.com. The two separate labs include a focus question to be answered, a student hypothesis, list of materials, steps to the procedure, dat Which type of food will mold (spoil) the quickest?