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scienceflashcards
science
Question | Answer |
---|---|
what is a fluid? | a fluid is any substance that flows |
what is density? | amount of mass contained in a giving volume |
what is an example of mass? | amount of mass in an object EG: a book has mass |
what is weight and how is it different from mass? | is the amount of force an object do to gravity |
what is particle theory and what does i explain? | 1 all matter is made up of particles 2 that all particles of one substance are identical 3 particles of matter are in constant motion 4 the temperature affects the speed that the particles move at 5 particles have a force of attraction. |
what is viscosity? | viscosity resistance of a fluid to flow |
what is a hydrometer? what does it measure? | hydrometer measures the density of liquids |
Archimedes principal? | items with the same mass can sink or float depending on there shape |
what is a solid? | a solid does not flow and has dense particles |
what is a liquid? | a liquid is any thing that flows with particles not super dense |
what is gas? | gas is a state of matter which particles are very far apart. |
pascal's law? | when a force is applied to inclosed fluid the pressure will be transmitted equally though out the whole fluid. |
what is compressibility? | compressibility is a property to be more compacted or compress. |
what is pressure? | pressure is force applied to a given area. |
what is temperature? | temperature is the density of particles measured in C decrees |