vocab.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The three most common forms, or states, of matter on Earth are? | solids, liquids, and gases.
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| most common state of matter in space? | plasma
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| Some ways to describe matter are... | describe the state, color, texture odor, and by using measurements such as mass, volume, and density.
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| The main factor that determines the state of matter are? | particles motion and particle forces
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| SOLIDS | matter that has a definite shape and a definite volume. Particles in a solid are close together
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| LIQUIDS | matter with a definite volume but no definite shape. Liquids can flow and take the shape of their containers. Particles move faster than a solid and in turn move slightly father apart.
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| Viscosity | a measurement of a liquids resistance to flow. Ex: honey has a high viscosity and water has a low viscosity
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| Surface Tension | the uneven forces acting on the particles on the surface of a liquid.
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| GASES | matter that has no definite volume and no definite shape. Particles move even farther apart than solids or liquids. Particles spread out to fill a container.
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| Vapor | the gas state of a substance that is normally a solid or a liquid at room temperature.
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| Melting | change of matter from a solid to a liquid. Thermal energy must be added.
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| Freezing | change from a liquid state to a solid state.
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| Vaporization | change from a liquid to a gas.
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| Sublimation | change of state from a solid to a gas without going through the liquid state. Ex. Dry ice
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| Deposition | change of state of a gas to a solid without going through the liquid state
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| Molecular Theory: | is an explanation of how particles in matter behave. *small particles make up all matter.
*these particles are in constant random motion
*the particles collide with other particles, other objects, and
the walls of their contai
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| Pressure | is the amount of force applied per unit of area. When particles collide with their container, pressure results.
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| Pressure and Volume | when the volume is greater, the particles have more room to move (fewer collisions-pressure is less).
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| Boyle's Law: | states that pressure of a gas increases if the volume decreases and pressure of a gas decreases if the volume increases, when temperature is constant.
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| Charles Law | states that the volume of a gas increases with increasing temperature, if the pressure is constant.
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| At absolute zero or 0 K (kelvin) | all particles are at the lowest possible energy state and do not move.
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Created by:
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