Claim, Evidence And Reasoning Graphic Substances

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Claim, Evidence and Reasoning Graphic Organizer
Question: Are Fat and Soap Different Substances?
Claim: Fat and soap are different substances.

Evidence (from your data)

Solubility -

Fat was soluble in oil.
Soap was not soluble in oil.
Fat was not soluble in water.
Soap was soluble in water.

Reasoning (why does the above piece of evidence support your claim?)

The above piece of evidence supports my claim because it proves that in the same substance (H2O), fat and soap have different solubility. In fact, they are opposites in solubility - the fat being insoluble and and soap being soluble. According to Scientific Principle #6, “Solubility is the capacity of one substance to dissolve in another substance.” Fat
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Soap was a bright white color.

The evidence that fat and soap have different colors supports my claim that fat and soap are different substances. This evidence is important because color is a property. According to Scientific Principle #1, “Properties are unique characteristics that help identify and distinguish one substance from another.” Properties are important for defining one substance from another, and since fat and soap differ in color, with color being a property, fat and soap have different properties. Therefore, fat and soap are different substances.
Hardness -

(Results from August 30th, Activity 1.2)
Fat is soft and mushy.
Soap is hard and sturdy.

The evidence listed supports my claim that fat and soap are different substances. This is because hardness is a property according to Scientific Principle #5 (Hardness is a property of a substance). A property of a substance helps determine whether a substance is different from another, which in this case is helpful because fat and soap have completely different hardness levels. Soap, hard and sturdy, is way different than fat, which is soft and mushy. Therefore, soap and fat differ and hardness, and once again have different scientific
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When the substance’s temperature stays the same, it means the substance is at its melting point, or when a substance changes from a solid to a liquid. Fat’s temperature stayed at a constant of 65 for 2 minutes, which was its melting point. However, the table did not show when soap melted, so we knew since soap has a melting point, that it melts at a temperature greater than 100 degrees Celsius. (the table ended at 100 degrees, so anything greater than 100 degrees would eventually reach the melting point for soap. ) In addition, according to Scientific Principle #7, Melting point is a property of a substance and is the temperature of which a solid becomes a liquid. Since the two substances have different melting points, this proves that fat and soap are different substances because they have different scientific

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