Changes of State - Matter Crossword Puzzle

QUESTIONS LIST:

• gas : the particles in a _ are far apart and move quickly to spread out in the space
• vibrate : the particles in a solid are very close together and _ .
• condensation : when the particles in a gas cool, they become joined together again. these particles can still move which means it is a liquid. the process from a gas to a liquid is called _ .
• particles : in a liquid, the _ are quite close together but move over and around
• each other. : each other.
• condenses : when a gas cools, it _ and changes into a liquid.
• boils : water _ at one hundred degrees celsius.
• melted : when a solid changes to a liquid, it has _ .
• melting : when heat is given to a solid, the particles vibrate more and their bonds start to break. this means that it _ and becomes a liquid.
• freezing : when a liquid's particles cool and move less. they stick in a fixed position and become a solid again. this process is called _ .
• they are in. : they are in.
• expands : when a heat is given to a substance, the particles move more quickly and push past each other. this means the substance it is in, _ .