{
 "source": "https://peabody.kids/flashcards/chem-states-of-matter",
 "id": "chem-states-of-matter",
 "title": "States of Matter",
 "category": "science",
 "subject": "Chemistry",
 "levels": [
  "k-2",
  "3-5",
  "6-8"
 ],
 "description": "Solids, liquids, gases, plasma and how matter changes state.",
 "tags": [
  "matter",
  "states"
 ],
 "frontLabel": "Question",
 "backLabel": "Answer",
 "cards": [
  [
   "Matter",
   "Anything that has mass and takes up space"
  ],
  [
   "Solid",
   "Matter with a fixed shape and fixed volume"
  ],
  [
   "Liquid",
   "Matter with a fixed volume that takes the shape of its container"
  ],
  [
   "Gas",
   "Matter with no fixed shape or volume; it spreads out to fill space"
  ],
  [
   "Plasma",
   "A hot, glowing state of matter made of charged particles"
  ],
  [
   "Where is plasma found?",
   "In stars, lightning and neon signs"
  ],
  [
   "Bose-Einstein condensate",
   "A state of matter formed near absolute zero where atoms act as one"
  ],
  [
   "Particles in a solid",
   "Packed close and only vibrate in place"
  ],
  [
   "Particles in a liquid",
   "Close together but able to slide past each other"
  ],
  [
   "Particles in a gas",
   "Far apart and moving fast in all directions"
  ],
  [
   "Melting",
   "Solid turns to liquid"
  ],
  [
   "Freezing",
   "Liquid turns to solid"
  ],
  [
   "Evaporation",
   "Liquid turns to gas at the surface"
  ],
  [
   "Boiling",
   "Liquid turns to gas throughout, with bubbles"
  ],
  [
   "Condensation",
   "Gas turns to liquid"
  ],
  [
   "Sublimation",
   "Solid turns straight into gas"
  ],
  [
   "Deposition",
   "Gas turns straight into solid"
  ],
  [
   "Melting point of water",
   "0 degrees Celsius (32 degrees Fahrenheit)"
  ],
  [
   "Boiling point of water",
   "100 degrees Celsius (212 degrees Fahrenheit) at sea level"
  ],
  [
   "Example of sublimation",
   "Dry ice (solid carbon dioxide) turning into gas"
  ],
  [
   "Example of deposition",
   "Frost forming on a cold window"
  ],
  [
   "Is steam a gas or liquid droplets?",
   "Invisible steam is a gas; the white cloud you see is tiny liquid drops"
  ],
  [
   "Does heating add or remove energy?",
   "It adds energy, making particles move faster"
  ],
  [
   "What happens to particles when matter cools?",
   "They slow down"
  ],
  [
   "Which state is the easiest to squeeze?",
   "Gas"
  ],
  [
   "Which state is almost impossible to squeeze?",
   "Solid and liquid"
  ],
  [
   "Does a liquid have a definite volume?",
   "Yes"
  ],
  [
   "Does a gas have a definite volume?",
   "No"
  ],
  [
   "Is ice a solid, liquid or gas?",
   "Solid"
  ],
  [
   "Is water vapor a solid, liquid or gas?",
   "Gas"
  ],
  [
   "Is air a solid, liquid or gas?",
   "A mixture of gases"
  ],
  [
   "Is honey a solid or liquid?",
   "Liquid"
  ],
  [
   "Is sand a solid?",
   "Yes; each grain is a tiny solid"
  ],
  [
   "Which is denser, ice or liquid water?",
   "Liquid water; ice floats"
  ],
  [
   "Why does ice float?",
   "Water expands as it freezes, so ice is less dense"
  ],
  [
   "Viscosity",
   "How much a liquid resists flowing"
  ],
  [
   "Surface tension",
   "The pull between liquid molecules that makes a skin at the surface"
  ],
  [
   "Compressibility",
   "How much a material can be squeezed into less space"
  ],
  [
   "Vapor",
   "The gas form of a substance that is usually a liquid or solid"
  ],
  [
   "Freezing point",
   "The temperature at which a liquid becomes a solid"
  ],
  [
   "Latent heat",
   "Energy absorbed or released during a change of state without changing temperature"
  ],
  [
   "Phase diagram",
   "A graph showing the state of a substance at different temperatures and pressures"
  ],
  [
   "Absolute zero",
   "The lowest possible temperature, -273.15 degrees Celsius"
  ],
  [
   "Pressure",
   "Force pushing on a surface"
  ],
  [
   "Kinetic theory of matter",
   "All matter is made of tiny particles in constant motion"
  ],
  [
   "Diffusion",
   "Particles spreading from where there are many to where there are few"
  ],
  [
   "Which state of matter makes up most of the visible universe?",
   "Plasma"
  ],
  [
   "Dry ice is made of what?",
   "Frozen carbon dioxide"
  ],
  [
   "Is a cloud made of gas?",
   "It is made of tiny liquid droplets or ice crystals in air"
  ],
  [
   "Is toothpaste a solid or liquid?",
   "It acts like both, a gel-like material"
  ]
 ]
}