Question:
What must be true about density in order for an object to float in water? How do mass and volume contribute to the density of an object? Hypothesis: An object will float in water when its density is less than or equal to the density of water, and the size of an object does not determine its ability to float in water. Null Hypothesis: The size of an object determines whether or not an object will sink or float in water. Thus, the larger the object, the more likely it is to sink, while a smaller object is more likely to float. Method: This study was designed to assess the hypothesis that the size of an object does not cause an object to sink or float in water, but rather that the amount of matter in a given space of an object determines either sinking or floating. Using the computer density simulation (top right corner), we will manipulate different variables in a controlled environment. Independent Variables: Blocks of the same mass (1) Blocks of the same volume (2) Blocks of the same density (3) Dependent Variable: Sink or Float (in 100 L water tank) Each block will be placed in the water to determine if the block sinks or floats while data is gathered and analyzed. Data: |
(1) Blocks with the same mass
(2) Blocks with the same volume
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