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science
chapter sec 2
| Question | Answer |
|---|---|
| The measurement of how much mass fits within a certain volume is called___________. | density |
| Density describes how tightly the ___________ that make up a substance are packed together. | particles |
| Objects float if they are _________ dense than the substance in which they are places. | less |
| Objects __________ if they are denser than the substance in which they are placed in. | sink |
| Steel is denser than water. However, steel ships can float on water because their hulls are filled with ____________. | air |
| An objects's density is found by dividing its ________ by its _______. | mass volume |
| The density of a material depends on the _______ of the particles that make up the material and the ___________between the particles. | masses distance |
| The particles of a solid tend to be packed _________. | tightly |
| The particles of a _________ tend to be spread out. | gas |
| Usually, matter in the ________ state is denser than in the liquid state. Matter in the liquid state tends to be denser than in the gaseoud state. | solid |
| The density of a substance is the ________ no matter how much of the substance is present. | same |
| Density can help ____________and unknown substance. | identify |
| Copper has a density of 8.92 g/cm. If an unknown substance has a density of 8.92 g/cm, it would most likely be _______. | copper |
| Materials that can flow, such as liquids and gases, are called ________. | fluids |
| Objects can float because of ____________. | buoyancy |
| Buoyancy occurs because the fluid that is being _______ out of the way pushes back on the object. | pushed |
| According to __________ principle, the amount of buoyant force acting on an object is equal to the weight of the fluid it displaces. | Archimedes principle |
| If the buoyant force is greater than the object's weight, the object will _______________. | float |
| Explain why density is a physical property of an object. | your not changing the amount of mass when you observe it |
| The _______of an object is found by dividing its mass by its volume. | dencity |
| When an object is lace in a fluid, the fluid ___________ in on the object. | pushes |
| The push is called the ________. | buoyancy |
| If a fluid is denser than the object, the object will ________. | float |
| If the object is denser than the fluid, the object will ___________. | sink |
| The density of an objects depends on the mass of the ___________ that make up the object and the __________ between them. | particles |
| in general a ________ is the densest state of matter. | solid |
| Solid water is ______ dense than liquid water. | less |
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Ouellettegirls
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