1) When a liquid changes into a gas, like a puddle drying up. a) Evaporation b) Volume c) Melting point d) Freezing 2) When gas turns into a liquid, like water droplets on a cold glass. a) Mass b) Boiling point c) Condensation d) Molecular structure  3) Melting: When a solid turns into a liquid, like ice turning into water. a) Gas b) Melting c) Molecule d) Boiling 4) When a liquid turns into a solid, like water turning into ice. a) Freezing b) Solid c) Evaporation d) Molecular structure  5) When a liquid gets so hot that it turns into gas, like water bubbling on the stove. a) Molecule b) Solid c) Boiling d) Liquid 6) The temperature when something starts to melt, like when ice melts at 32°F. a) Melting point b) Liquid c) Boiling d) Evaporation 7) The temperature when something starts to boil, like water boiling at 212°F. a) Melting b) Boiling point c) Volume d) Condensation 8) Matter that has a shape and doesn’t flow, like a rock. a) Liquid b) Solid c) Boiling d) Molecule 9) Matter that flows and takes the shape of its container, like water a) Liquid b) Mass c) Melting d) Freezing 10) Matter that spreads out and fills the space it’s in, like air. a) Condensation b) Boiling point c) Solid d) Gas 11) The way tiny parts of matter (molecules) are arranged. a) Melting point b) Evaporation c) Molecular structure  d) Freezing 12) The amount of space something takes up. a) Boiling point b) Volume c) Liquid d) Evaporation 13) How much matter is in something, like how heavy it is. a) Mass b) Boiling point c) Molecular structure  d) Melting 14) The smallest part of a substance that is still that substance, made of two or more atoms joined together. a) Solid b) Mass c) Molecule d) Condensation

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