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Science-Density Quiz- Ribaudo
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If you raise the temperature, then the volume of the object will increase because the molecules heat up and expand. Since the volume goes up, the
density goes down
(and vice versa) (temperature and density have an indirect relationship.)
What effect does raising/lowering the temperature have on density?
If you increase the pressure, the molecules push closer together, which decreases the volume and
increases the density
(reverse for lowering pressure.)
What affect does increasing/decreasing the pressure have on density?
The density would be cut in half because density and mass are directly related (volume and density are inversely related.)
What happens to the density if you cut the mass of an object in half but the volume stays the same?
The same material has the same density because the mass and volume change at the same time whether the object is getting bigger or smaller.
What effect does size or shape have on the density of the same material?
The concentration of matter; the ratio of mass to volume.
What is density?
Temperature and pressure.
What two things affect density?
D= M/V
Density= Mass/Volume
What is the formula of density?
1g/cm^3
What is the density of water?
A way to compare the size of an error with the size of the value being measured.
What is percent deviation/ percent error?
|Accepted value- measured value (what you measured)|/ Accepted Value *100
What is the formula for percent deviation?
Objects less dense than water (under 1g/cm^3) will float while objects more dense will sink.
What objects float and what objects sink in water?
A prediction (if you weren't there to see it happen or it is almost impossible to do, / if it involves the future or past/ it says "may be"), it was most likely an inference.
What is an inference?
Making use of information gathered by using human senses (quantitative [numbers] and qualitative [senses] observations.)
What is an observation?
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