In this experiment the independent variable was. Nutrient requirements for moulds may vary from mould to mould.
Ib Biology Bread Mold Lab Lee
Leave the bag undisturbed for 7 days in a warm place outside the house.
. Put one slice of this bread into each bag and seal the bags tightly. Sprinkle water on the slice of bread. So gather the above equipment and follow the below steps.
Experiment mold grows faster. Each piece of food must have its own jar and must be completely sealed. Natural foods will mold faster than processed foods.
But the presence of a large reservoir of pre-existing inactive mold can speed both the recurrence and the extent of a future mold contamination. Leave this plate near the 1st. Try to coat each slice with a similar amount of the culture although this can be difficult.
Form a hypothesis to explain this difference in mold growth. Here is one example of a hypothesis for the earlier problem question. Also make a guess about how quickly the mold will begin to grow.
The hypothesis should make a claim about how two factors relate. Predominantly it is the building conditions that determine whether or not we will have a building mold problem not the presence or absence of mold in general. A hypothesis is an educated guess or a guess you make based on information you already know.
Doing the science experiment to see what. This piece should be left in a dry location. The term mildew is often used generically to refer to mold growth usually with a flat growth habit.
Design an experiment to test the question you have selected. Molds can thrive on any organic matter including clothing leather paper and the. After you make a hypothesis then comes the really fun part.
If the growth of mold is affected by the enviroment then the dark place will be where most mold will grow. Some moulds may thrive well on substrates with high sugar or salt content. Im doing a science project on which type of cheese grows mold fastest and i need to research so i can form a hypothesis of food will grow mold the fastest how to dispose of.
Use the tape to secure it further. My hypothesis bread mold is that bread mold will grow at a slower rate when in a freezing temperature bread buy gloves order bread mold. For example in the following sample hypothesis the two relating factors are light and bread mold growth.
You notice that the bread you left out on the counter has more mold than the rolls in the refridgerator 2. However as mold is a type of fungi and not a plant bread mold does not require light for its growth. Set the 2nd piece of bread on top of it and cover.
You ask if temperature affects the growth of mold or is the difference in mold growth related to the differences between the bread and the rolls 3. Colder temperatures impede the growth of mold 4. These foods also can obtain mold very.
Remember a hypothesis is a statement of the expected outcome so an appropriate hypothesis will indicate which if either environmental situation you expect will produce better mold growth. Write a hypothesis in your notebook about what type of mold you expect will grow on each type of food. The moisture trapped in the bag is absorbed by the fungus and it grows at a faster rate.
Inactive does not mean non-viable. Up to 24 cash back 1Create an experiment with a hypothesis independent variable dependent variable and control 2Collect and analyze data 3Use evidence to determine what variables affect mold growth Understanding how mold grows can help keep hospitals houses and other places safe. Mold grows slowly in sealed bread.
Mildew refers to certain kinds of mold or fungus. Write todays date on the tape with the marker. Put the 5 A bags into the freezer the 5 B bags into the refrigerator and the 5 C bags somewhere safe in a warm.
Mold grows slowly in sealed bread. Put the bread in the plastic bag and zip it. Some may prefer simple sugars while others have the ability to utilize complex sugars.
Formulate a hypothesis and record it in the question section below. Bread will grow mold more quickly than the dry bread because mold is a living organism and organisms need water to survive. The four foods that are being used are foods that very commonly obtain mold over time.
You observe mold growing on one side of a slice of bread but not on the other side. Growing mold can be a simple experiment and performed on a slice of bread. Dampen a sponge and put it on a plate.
I believe that bread mold does not need light for reproduction on white bread. AnswerThe dark bags produced the most mold growth than the light and this may be because of a human error the location I placed the light bags in wasnt as warm as the location of the dark bags. Inoculate the bread thoroughly with the mold solution.
The fastest mold growth was the dark control bag followed closely by the dark water bag and the light control bag. As bread mold is a living organism it requires moisture and oxygen to grow. Take the cotton swabs and run them over areas which have dust like under a table bed or basement.
We spent quite a bit of time at the library and online seeking answers as to why certain foods might mold faster than others and defined what exactly mold is. If some students eat breakfast before school and others do not then the ones who do eat breakfast will have better grades in their morning classes because their brains have more energy to think. In this experiment the hypothesis is that the milk will mold first the cheese will mold second the banana will mold third and the bread will mold last.
Track the growth of the mold by checking the sample every day. The major factors affecting growth of mould are nutrients temperature light aeration pH and water activity. Mold is is defined as a growth of fungus that occurs on food or in a home or other moist warm conditions.
Put a label on the lid without obstructing your view and label it A. Molds include all species of microscopic fungi that grow in the form of multicellular filaments called hyphae. Wet each piece of food and place it inside a jar.
However to make it interesting and more detailed you can work on 5 samples of breads rather than just one. Take one piece of bread and place it flat on a plate cover with a clear lid. The side of the bread that has mold probably isnt exposed to the sun since mold grows faster in a dark moist area.
Form Hypothesis Using his own previous knowledge as well as the information gathered from our research my son came up with the following hypothesis.
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