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Density of Tootsie Rolls Lesson Plan

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*Note: This lab activity was submitted to Ward's Science by a third party educator for the sole purpose of sharing content and ideas with other educators. Ward's Science is not affiliated with the author of this lesson plan. All product recommendations made by Ward's Science are suggestions for completion or extension of the activity or topics addressed, but are not required to complete the activity. Activity DENSITY OF TOOTSIE ROLLS PART I Purpose: To find the density of Tootsie rolls of different sizes, compare them, and find the average density of a Tootsie roll. Materials: 2 different sizes of Tootsie rolls, filter paper, balance, graduated cylinder, water Procedure: 1. Obtain 2 different sizes of Tootsie rolls. 2. Find the mass of a piece of filter paper and record it in Data Table #1. 3. Place one of the Tootsie rolls on the filter paper and find the mass. Record in Data Table #1. 4. Repeat for the second (different size) Tootsie Roll. 5. Fill a graduated cylinder with enough water that it will completely cover the Tootsie roll when it is added to the cylinder. Record the volume in Data Table #1. (Be sure not to fill it so full that when you add the Tootsie roll the water level goes above the markings on the graduated cylinder.) 6. Add the Tootsie roll to the graduated cylinder. Record the new volume in Data Table #1. 7. Repeat for the second (different size) Tootsie roll.

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