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11 Cards in this Set
- Front
- Back
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Molecules |
tiny particles of matter smallest unit of a compound formed when two or more atoms of different elements bond together |
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4 States of Matter |
solids liquids gases plasma |
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Solids |
matter with a definite shape and volume does not change shape particles are close together and vibrate back and forth |
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Particles of Motion |
particles that make up all kind of matter are constantly in motion |
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Crystalline Solids |
particles in a solids are arranged in a repeating 3 dimensional pattern |
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Amorphous Solids |
large particles of a solid that are not arranged in a repeating pattern; random arrangement |
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Liquids |
matter that has a definite volume but no definite shape the volume of the substance does not change particles move freely allowing it to change shape |
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Viscosity |
a liquid's resistance to flow "slow as molasses" |
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Surface tension |
uneven forces acting on the particles on the surface of a liquid looks like a thin film is stretched across the top of the liquid allows a needle to float on the top |
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Gases |
matter that does not have a definite shape or volume particles are far apart and move at high speeds in all directions |
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Vapor |
matter that can exist in a gas state, but is usually a liquid or a solid |
