5.) What do you think would happen if you increased or decreased the amount of water added to the bread? Bread-(one consistent brand and type), enough for each group of two students to have two pieces. Please note: we do not recommend this project for those with allergies to mold (including penicillin) or with severe asthma. No change in the color of the bread. Sylvia Cini took a different approach to her experiment. Day 6 (after the weekend)- (45-60 minutes) Have students take their final observations as they have previously done on Backpack. Same amount of mould for wet as Day 5. “We decided it would be an awesome mold experiment to learn about germs by using moldy bread!” Together, they put five slices of bread in separate bags. Clipping is a handy way to collect important slides you want to go back to later. 2.) By James Thompson There were lots of colours like. The easiest way to grow mold is on a piece of bread. black, green, white, and yellow mould. A good sample of mold may take up to two weeks to form, so be sure to plan ahead for this project. The cheese and bread should probably be showing signs of mold on the 4th day. 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! Turn in. 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. HYPOTHESIS: Which conditions do you think will best promote mold growth? Warm or cold? spots faster than others. Conclusion is an important part of the experiment, so make sure you read your observations carefully before you put down the appropriate conclusion of the project. See our User Agreement and Privacy Policy. Any preservative-free bread that is soft will work well. At the end of ten days the samples will be collected, photographed and � � � � � � � � � � � � � � � � � � � � � � � � � ���� Bread Mold Experiment 8th Grade General Science Overview 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. Download Project. A recent classroom experiment gone viral might change your mind. Still no mould on final day for dry and normal. All samples of the bakery bread exposed mold. After the mold-growing experiment, students will form their conclusions and present their results to the class. Rulers for each group 7.) Place labels on lids. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. While she followed the steps of the Watch how bacteria creates an environment for mold to flourish and grow! Since it is such a common type of _____ _____ Quantitative Observations- Count how many colonies of mold that have grown in a 24-hour period. 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. The tiny cells of mold are called spores. Weight of bread before and after a week: 2. Bread mold experiment results It took about two days for the first mold to show up- which was on the wet piece. See Table 3 for a summary of all our results on bread. 3. The bread was observed for two weeks, with photographs of the They put the bread in resealable plastic bags and waited 3 to 4 weeks. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. After 4 days, take a look at the samples. They understand the reason for isolating and controlling variables in an investigation. Black SharpieProcedureYou should allow a week worth of class time to complete this lesson plan, with different days of the week requiring more or less class time dedicated to the procedure. It feeds on organic matter like bread while decomposing the same. If you continue browsing the site, you agree to the use of cookies on this website. What Is Happening? Prepare Sample B with a few droplets of water. CONTROL CLEAN DIRTY Illustrate the bread samples for your group. There are many different ways to see how mold spores thrive. In tandem with the nutrients, bread is typically They should then post and cite the information they find as a �Page� labeled with the students� names on Backpack. How do your observations and results compare to your classmates? What effect did temperature have on mold growth? (Day 1, Day 2, etc.). They examine issues in the design and use of technology, including constraints, safeguards, and trade-offs. Answer the observation questions to record your data and then draw a picture of what you see in the space provided beneath the questions. Balances to weigh the bread 8.) Check your notes when the milk started to mold. Also have them make observations and post these observations as a �List� under Day 1. What is mold. Writing a lab report is one of the most efficient ways of showing the results and conclusions of a bread mold experiment. Unfold the Mystery of Mold. Complete quiz 2. Cool Science Fair Projects Science Experiments Kids Science For Kids Science Activities Science Classroom Teaching Science Science Education Life Science Elementary Teaching. The experiment, “ The Effect of Mold Growth on White and Wheat Bread Air Exposed and Contained” is an experiment that observers mold growth on white and wheat bread, air exposed and contained in a airtight sandwich bag, for a four week period of time. 3.) 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. (if you don�t have enough, it is easy for groups to share one) 3. Question: Experiment Results: Table 1: Mold Growth Observations Condition Number Of Days Required For Growth To Begin Observations Extent Of Growth (Scale Of 1 – 10) Bright. The bread stayed the same size. & � t f [ L L L L L Have them do this on their �Page� as a �Note�. moisture, and light. (Cos 2005) As you can see from Table 3, when we tested bread under dry conditions, very little mold grew. 6.) It should turn out that the milk will have the most number of molds. A piece of bread will be used as a control. long of mould. Area such as a large drawer, box, or cabinet with no light to store experimental bread that is not in the refrigerator 5.) 4. Children will enjoy working scientifically, developing their observational skills and drawing conclusions, as they investigate mould on bread. Project Plan Design Lesson 2 - Determining Mold Amounts on Whole Fruits. (Store bought). They perform calculations and determine the appropriate units for the answers. � 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. In this decomposing bread experiment, students study the scientific method while preparing an experiment regarding decomposition. 1. Materials: bread; Plastic bags with zipper seals; Directions: It can survive in the minimal media by turning what is available into those other vital building blocks (amino acids). On each of these days, have students spray both pieces of bread with water and put the bread back in the dark area and the refrigerator. 8th Grade General Science. Results: The results of the experiment are that almost all the Wonder Bread slices have no visible mold, except for the sample labeled coffee, which grew mold that covered about 30% of the slice of bread. Name: _____ Day _____ Data and Observations: Is mold growing?_____ Computers with internet access for students to research and store information on Backpack and printer access 6.) Hypothesis (Based on what you’ve learned in the pre-lab materials, write and If/Then statement regarding the outcome of this experiment. Mouldy Bread Experiment . Before the experiment, students will be asked to form a hypothesis about the best conditions for growing mold. � mould on both sides of wet bread. See our Privacy Policy and User Agreement for details. Mold is a fungus that best grows in dark, moist and warm conditions. 2.) 5. Qualitative Observations- What visual changes have occurred in a 24-hour period? (Hand wash and 1 dishwasher cycle with White, yellow, green, and black mould. Students grow mold on bread and chart observations. ��ࡱ� > �� � � ���� � � � � � � � � � � � � � � � � � � � � ���������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� '` �� � bjbj{P{P 84 : : � �� �� �� � � � � � � � � � � � � � � D � j � � � � � � � � � � $ � h � h � � � � � � � � � � � � � � � � � � V � @ � � � � 3ۧ��� � � � � � 0 x R � R � R � � ` � � � � � � � � � � Molds occur commonly on bread due All samples of the bakery bread exposed mold. Results: The results of the experiment are that almost all the Wonder Bread slices have no visible mold, except for the sample labeled coffee, which grew mold that covered about 30% of the slice of bread. Was your hypothesis for this experiment accurate? Hypothesis The Hypothesis of this experiment is that bread mold will lie dormant in temperatures below 32 degrees and thrive in warmer temperatures. steam heat). Was it decorated with spots of green and white or fully covered in mold? Take all three sealed bags and put them in a cool, dry place. But when the mold spores land on a host, they grow and thrive by feeding off the food they land on. This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills. 4.) After they have done this, give each pair of students two pieces of bread to leave out over night after misting the bread with water. Also, substances like salt tend to slow down the growth of bread mold. to the desirable source of nutrients for the mold. Here are pictures of mold growth on different types of breads. 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. Now customize the name of a clipboard to store your clips. This is why we recommend using fresh bread without preservatives. (Cini, 2015) Determine whether or not hand soaps and sanitizers prevent the growth of bread mold. (color, size, weight) and any additional observations they may come across. 30 minutes) Have students make a hypothesis of the effect temperature will have on mold growth based on their previous research. The bacteria bread experiment involves testing the effectiveness of self-hygiene methods. How to write a plan and design experiment, No public clipboards found for this slide. We used gloves to take the first slice of bread out and put it into a clear bag. Conclusion. Reeves 2015). For this experiment, for ten days, each sample will be put into varying degrees of temperature, What effect did temperature have on mold growth? 0 1 2 ; � � � � � � � � � � � � � � � � � � � � � � � � � g o t { | � �����������ǿǴǴ��Ǔ~�~���v�v�v�v�v�v�v�v�v�v hO1W h) 5�)hO1W h) B*CJ OJ QJ ^J aJ phSSS /hO1W h) 5�B*CJ OJ QJ \�^J aJ phSSS hO1W h) 0J j hO1W h) UhO1W h) H*hO1W h) hO1W h) 5�CJ( j h P� h) UmH nH u h�3= h) H*h) h_ h) 5�CJ . As mentioned above, mold growth requires water. RESULTS / ANALYSIS OF DATA. Record your results. PROBLEM: What conditions make bread mold grow the fastest? Depending on the age of the child(ren) you can use only 2 or 3 samples instead of all 4. Aldo-Rafael Cos carried out an experiment on four types of bread, each sealed in a Tupperware Now, this bread mold is known to be able to survive in both types of mediums. What were the dependent variables of this experiment? Select four pieces of white bread. In a few days, mold should start to appear. Scientific Thinking 8.2 Students use computers to organize and compare information. to become active at temperatures between 70 – 90 degrees Fahrenheit. What do you see? (this will allow the bread to be exposed to spores) Day 2- (approx. Wait for 4 days to finalize the observations. 4. ObjectiveAfter drawing conclusions about the effect of light and temperature on bread mold growth, students will be able to knowingly complete an experiment evaluation on Backpack answering the questions: What were the independent variables of this experiment? Literature Review become dormant when introduced to temperatures below 32 degrees Fahrenheit. Mold spores live in the air all the time—there are millions of them practically everywhere. 7. � Use with the Science: Living Things and Their Habitats: Microorganisms Year 6 Lesson Pack 4. Mold is a type of fungus. DO NOT open your experiment bag. She placed her containers in different temperatures CONTROL CLEAN DIRTY Day 5: Date: _____ Today’s Lesson- 1. INT1 Task 3 Why do you think there are differences? Grade. Look at the bread daily and write down your observations, but do not take the bread out of the bags. About 8 cm. Before students start on project you need to: Set up a Backpack account with a plan allowing enough users for all of your students to have access Set up your student�s accounts and login/password in order to cut down on class time Purchase materials Create Experiment Evaluation document on word and upload it to a �Page� that you create on Backpack Day 1- (30-45 minutes) Have students access their Backpack account and research causes of mold growth using the internet. This experiment uses 4 samples to test what conditions mold grow the best in. The bread developed mold, though some slices developed mold ): I believe the mold growth will grow more in the bright observations. 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. Clean and sterilize four Tupperware bowls. Also, have students use the �Divider� feature to divide the days in which they post to Backpack. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Make labels for Tupperware lids. Look at the bread and apple on the plate in your experiment bag. &. kept in warm and moist places where mold can thrive. experiment above, she took it a step further. This may be an instructive addition for teachers to include. The data does support the hypothesis. container and moistened with a few drops of water. Article by Education.com. They realize that scientific knowledge is subject to change as new evidence arises. What were the independent variables of this experiment? Looks like you’ve clipped this slide to already. There was no bread mold on ether pieces of bread. Each container was kept at room temperature Then have students look at the other groups� �Pages� on Backpack to compare their observations and results. However, the spores They weigh the evidence for or against an argument, as well as the logic of the conclusions.Materials1.) Third Grade Materials: 8 slices of fresh bread with no preservatives ... a great way to document mold growth is by recording your observations in a sketchbook! Does mol… (Sample and Temp should be noted on the labels). How to Write a Bread Mold Lab Experiment Report. Check bowls, make certain they are clean and dry. progression of mold being taken. 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. A Conclusion. Other variables (hand-washing, sanitizer) will be tested against touching a piece of bread w 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? 3. mold, there have been many experiments done on bread mold. Hence it is harmful to consume the moldy bread or even inhale the smell as mold spores could enter the body in that way. Take a third slice of bread and have your child touch the bread with her freshly-washed hands. Materials for whole fruits: With the second slice of bread, Miss Lydon washed her hands thoroughly with soap and water. Bread mold fungus is the most common fungi in the world. You can change your ad preferences anytime. Recording the results of her experiment. Students should then complete the Experiment Evaluation exercise that you will have created.EvaluationHave students open the Experiment Evaluation document on your Backpack �Page�, answer the questions, print it out, and turn it in to you to grade. 1. Process of Data Collection As predicted, mold spores are dormant in cooler temperatures. )Refrigerator 4.) with an adequate source of light. Use this worksheet to record you predictions, observations, and conclusions of your mold-growing experiment. Experiment DesignSteps 1. 2. something that makes us have to throw the bread away or the cheese smell bad (Mold 2015) Typically mold spores tend Students have to describe and analyze laboratory experiments to explain a particular concept. 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. Place the bread in the Tupperware bowls. Was your hypothesis for this experiment accurate? Paper plates (2 per group) 9.) Table 1: Mold Growth Observations Condition Number of Days Required for Growth to Begin Observations Extent of Growth (Scale of 1 – 10) Bright. Squirt Bottles filled with water-one for each group. Does the Cold Stop Bread Mold? Students conduct an experiment. 0 2 ; = � � � � � � � � � � ��� $If `��gdO1W � $If gdO1W $� $If a$gdO1W $a$gd�3= � � � � � U measured. What do you think would happen if you increased or decreased the amount of water added to the bread?StandardsIndiana Education Standards (8th grade science) HYPERLINK "http://dc.doe.in.gov/Standards"http://dc.doe.in.gov/Standards The Nature of Science and Technology 8.1 Students design and carry out increasingly sophisticated investigations. (One slice to each bowl) The hypothesis for this experiment is, If different types of bread are tested then the mold growth of the white bread contained will increase, because mold … If bread is placed in a dark, light, or a mix of light & dark, then the light space will have the most mold because the light will fuel the molds energy. We wanted to investigate the importance of washing our hands so we conducted an experiment to see how quickly germs spread. There is … This hypothesis was based off of a statement made on the Mold Blogger website. Overview. Conclusion: My hypothesis was correct because I predicted that the bakery bread sample labeled coffee would grow mold sooner than the … The bread with three sprays of water developed the most mold. What were the dependent variables of this experiment? (Wold & Place the bread in the bag and seal it. If you continue browsing the site, you agree to the use of cookies on this website. 222. and varying degrees of humidity. Teach children about microorganisms by having them carry out this Mouldy Bread Experiment. 6. Students should write a short paragraph answer to each of the following questions: 1.) We waited weeks for any mold to show up on any of the other pieces, but it didn’t.