Select four pieces of white bread. It was also noticeable that the bread with 5 drops got more mould than the bread with 10, but the one with 15 drops had the most. spots faster than others. The purpose of this lesson is for your students to implement the scientific method in an experiment testing the effect of temperature on mold growth, while using the web 2.0 application Backpack to organize research, hypotheses, collected data, and results as well as compare collected information to that from other students. As mentioned above, mold growth requires water. � Conclusion If white bread's freshness is affected by salt, darkness, humidity, cold temperature, or light, dry environments, then the humid environment will cause mold to grow the fastest because it is a nourishing environment where spores can develop. (if you don�t have enough, it is easy for groups to share one) 3. What were the dependent variables of this experiment? Bread mold experiment I think the mold will grow naturally on the bread with water sprinkled because molds do not contain chlorophyll unlike the other normal green plants and mold needs moisture, dark place to be able to germinate and it is really hard for mold to grow on a dry surface such as normal bread as it does not contain moisture. Does mol… 1. Depending on the age of the child(ren) you can use only 2 or 3 samples instead of all 4. Clean and sterilize four Tupperware bowls. Materials: bread; Plastic bags with zipper seals; Directions: Hence it is harmful to consume the moldy bread or even inhale the smell as mold spores could enter the body in that way. They put the bread in resealable plastic bags and waited 3 to 4 weeks. mold, there have been many experiments done on bread mold. In tandem with the nutrients, bread is typically progression of mold being taken. What effect did temperature have on mold growth? This may be an instructive addition for teachers to include. Then have students look at the other groups� �Pages� on Backpack to compare their observations and results. Those spots are actually microscopic organisms called mold.A type of fungus, mold can be found just about anywhere from our door knobs and damp clothing to bread! While she followed the steps of the No change in the color of the bread. Students will then label both paper plates with their names and place one plate with one piece of bread in the cabinet or dark area you provide, and the other in the refrigerator. 30 minutes) Have students make a hypothesis of the effect temperature will have on mold growth based on their previous research. If I put bread and fruit in two different light levels with different liquids, then the mold will grow faster in a light environment with basic liquid. Any preservative-free bread that is soft will work well. After 4 days, take a look at the samples. They understand the reason for isolating and controlling variables in an investigation. 1. Was your hypothesis for this experiment accurate? Take a third slice of bread and have your child touch the bread with her freshly-washed hands. (Sample and Temp should be noted on the labels). 0 2 ; = � � � � � � � � � � ��� $If `��gdO1W � $If gdO1W $� $If a$gdO1W $a$gd�3= � � � � � U Since it is such a common type of We waited weeks for any mold to show up on any of the other pieces, but it didn’t. 3.) Why do you think there are differences? black, green, white, and yellow mould. 4. Day 3-5- (20 minutes) Have students make same observations (color, size, weight) for the bread at room temperature and the bread in the refrigerator and post these observations on Backpack as they did the day before, dividing observations by Days. Before the experiment, students will be asked to form a hypothesis about the best conditions for growing mold. 3. CONTROL CLEAN DIRTY Illustrate the bread samples for your group. By James Thompson See Table 3 for a summary of all our results on bread. Recording the results of her experiment. All samples of the bakery bread exposed mold. They examine issues in the design and use of technology, including constraints, safeguards, and trade-offs. Record your results. (this will allow the bread to be exposed to spores) Day 2- (approx. Place labels on lids. Let's first cover the basic introductory aspects of this experiment that need to be considered before doing it in class: Have you ever thrown away moldy bread in your house? Look at the bread daily and write down your observations, but do not take the bread out of the bags. Now, this bread mold is known to be able to survive in both types of mediums. A recent classroom experiment gone viral might change your mind. However, the spores Mold spores live in the air all the time—there are millions of them practically everywhere. Mouldy Bread Experiment . Unfold the Mystery of Mold. Prepare Sample B with a few droplets of water. They realize that scientific knowledge is subject to change as new evidence arises. Aldo-Rafael Cos carried out an experiment on four types of bread, each sealed in a Tupperware Make labels for Tupperware lids. Wait for 4 days to finalize the observations. Article by Education.com. Scientific Thinking 8.2 Students use computers to organize and compare information. How to write a plan and design experiment, No public clipboards found for this slide. (Day 1, Day 2, etc.). Balances to weigh the bread 8.) kept in warm and moist places where mold can thrive. Steps of the other groups� �Pages� on Backpack and printer access 6. ) by having them out. Being taken thoroughly with soap and water down the growth of bread be... Way to grow mold is known to be able to survive in both of! Them in a cool, dry place for dry and normal days the samples the! To take the bread with three sprays of water developed the most efficient of. 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