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RMS 6 matter
rms 6th grade science
| Term | Definition |
|---|---|
| matter | anything that has mass and takes up space |
| solid | matter with a definite shape and volume; it has loosely packed particles that vibrate |
| liquid | matter with definite volume, but no definite shape; it has medium packed particles that move at medium speed |
| gas | matter with no definite volume or shape; it has particles that move quickly in all directions |
| plasma | a state of matter that only exists at extremely high temperatures; it is not common on Earth, but it is common on stars |
| viscosity | a liquid's resistance to flow |
| surface tension | the uneven forces acting on the particles on the surface of a liquid |
| energy | the ability to do work or cause change |
| kinetic energy | the energy of motion or energy that is being used |
| potential energy | the energy of position or stored energy |
| thermal energy | the total kinetic energy of all the particles in a sample of matter |
| temperature | the average kinetic energy of the individual particles in a sample of matter |
| heat | the movement of thermal energy from a substance of higher energy to a substance of lower energy |
| melting | the process of changing from the solid state to the liquid state due to the absorption of thermal energy |
| freezing | the process of changing from the liquid state to the solid state due to the lost of thermal energy |
| vaporization | the process of changing from a liquid to a gas state due to the absorption of thermal energy |
| condensation | the process of changing from a gas to a liquid due to the absorption of thermal energy |
| force | a push or pull |
| pressure | the force exerted on a surface divided by the total area over which the force is exerted; pressure = force/area |
| buoyant force | the upward force exerted on an object immersed in a fluid |
| Archimedes' Principle | states that the buoyant force on an object is equal to the weight of the fluid displaced by the object |
| density | the mass of an object divided by its volume; density = mass/volume |
| Pascal's Principle | states that when a force is applied to a confined fluid, an increase in pressure is transmitted equally to all parts of the fluid |
Created by:
mrskarney
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