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science 6th grade
lesson 2-2
| Question | Answer |
|---|---|
| measurement of how much fits within a certain volume | density |
| materials that can flow | fluid |
| ability of an object to float in a fluid | buoyancy |
| when a buoyant force is equal to the weight of the fluid displaced | archimedes |
| is measured in grams | density |
| soil is denser than _______ | liquid |
| liquid is denser than __________ | gas |
| water is denser than ___________ | ice |
| 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 placed in. | less |
| Object _________ 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 desity 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. | mass distance |
| The particles of a solid tend to be packed _________ together. | tightly |
| The particles of a _____________ tend to be spread out. | gas |
| Usually, matter in the ___________ state is denser than in the liquid state. | solid |
| Matter in the _____________ state tends to be denser than in the gaseous state. | liquid |
| Density can help __________________ an 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 mostly be ___________ | copper |
| Materials that can flow such as liquids and gases are called _________________ | fluids |
| Object can float because of _________________ | buoyancy |
| Buoyancy occurs because the fluid that is being _________ out of the way pushes back on the objects. | pushed |
| According to ____________ principle the amount of buoyant force acting on an object is equal to the weight of the fluid it desplaces. | archimedes |
| If the buoyant force is greater than the objects weight the object will ______________. | float |
| explain why density is a physical property of an object | it is one that can be observed without changing the identity of the substance. the substance is not changing into a new substance |
Created by:
Ouellettegirls