Using the Scientific Method for SCIENCE INQUIRY

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Presentation transcript:

Using the Scientific Method for SCIENCE INQUIRY Do different flavors of gum contain different amounts of sugar? by Vicenza Middle School 8th Grade, 2013 -2014

Problem Do different flavors of gum contain different amounts of sugar? Big Red, Spearmint, Juicy Fruit, WinterFresh, Doublemint (WRIGLEY’S)

Formulate the Hypothesis Different flavors of gum contain the same amount of sugar. The _______________ flavor of gum contains the most sugar and the _______________ contains the least amount of sugar.

Identify and Control Variables Controlled Variables size of gum, brand, chewing time Manipulated Variable gum flavor Responding Variable mass of sugar loss (gum loses flavor) *** Controlled Variables are those things that are kept the same *** The Manipulated Variable is the one thing that is changed *** The Responding Variable is what is measured

Test the Hypothesis Materials Needed: Different flavors of gum Scale (digital is best) Gum wrapper or foil Calculator

Test the Hypothesis Steps for conducting the investigation: Zero the scale. Mass (g) the piece of gum in wrapper. Record on chart. 3. Chew the piece of gum until no more flavor (sugar) is tasted. Place the chewed gum on the scale (on wrapper). Mass (g) the piece of chewed gum. Record. Calculate the percentage of sugar in gum (sugar lost): % sugar in gum = mass of sugar (g) x 100 mass of gum (g)

Collect Data 3.) % Sugar in gum Gum Brand 1.) Mass of gum (g) with wrapper 2.) Mass of gum after chewing with wrapper 3.) % Sugar in gum Step 1: Subtract the mass of the gum after chewing from the Mass of Gum before chewing to get the Mass(g) of the Sugar. Step 2: Divide the Mass(g) of the Sugar by the mass of the gum before chewing to find the % of Sugar in Gum.

Collect Data Big Red Spearmint Juicy Fruit Wintergreen Doublemint Bubble Gum Brand % of Sugar Big Red Spearmint Juicy Fruit Wintergreen Doublemint

Collect Data Insert a photo and/or scan a hand-drawn illustration or diagram Describe photo here

Interpret Data Include a statement about results here

Conclusion Yes, the results supported my hypothesis. or No, the results did not support my hypothesis.

Inquire Further Questions I still have: Did I design a fair test?