Define Vocabulary Density Essay

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Student Exploration: Density Experiment: Slice and Dice

Define Vocabulary
Density: The degree of compactness of a substance
Mass: A coherent, typically large body of matter with no definite shape
Matter: The substance or substances of which any physical object consists or is composed
Volume: The quantity of three-dimensional space occupied by a liquid, solid, or gas

Prior Knowledge Questions (Do these BEFORE using the Gizmo.)

1. What do you think would happen if you threw a block of Styrofoam™ into the water? The Styrofoam will float

2. What would happen if you broke the Styrofoam up into lots of pieces, then threw the pieces into water? The pieces will still float
3. What …show more content…

1. Form hypothesis: How do you think cutting up a material will affect its density? I think the density will be the same.

2. Collect data: Click Slice. Choose a piece of Styrofoam and drag it onto the Material Investigation tray. Record the mass and volume, then calculate the density by dividing the mass by the volume. Replace the piece, and then repeat for the remaining pieces.

|Piece |Mass (g) |Volume (cm3) |Density (g/cm3) |
|1 |4.64 g |23.2 cm3 |0.2 g/cm3 |
|2 |0.9 g |4.5 cm3 |0.2 g/cm3 |
|3 |0.58 g |2.9 cm3 |0.2 g/cm3 |
|4 |1.16 g |5.8 cm3 |0.2 g/cm3 |
|5 (if available) | | | |

3. Analyze: What do you notice about the density of the Styrofoam pieces? The density remains the same.

4. Predict: What do you think is the density of the whole block of Styrofoam? 0.2 g/cm3

5. Test: Click Reset. Drag the whole (uncut)

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