Classroom Chemistry Crossword Puzzle

QUESTIONS LIST:

• atom: the smallest part of an element that can exist
• cohesion: the force of attraction between the particles of a substance.
• mixture: a number of pure substances that are brought together.
• chemistry: the study of matter-its properties, composition, and changes.
• liquid: a state of matter in which the substance had definite volume, but takes the shape of the container.
• filtering: the process of passing a mixture of a liquid and a solid through a paper or porous substance in order to remove the solid from the mixture.
• solute: the substance dissolved in a solution
• density: the amount of mass in s substance per unit of volume.
• element: a pure substance in which all the atoms are the same. hydrogen is an example.
• gas: a state of matter in which the substance takes the shape of the container and is low density.
• solvent: the substance that does the dissolving
• suspension: a mixture where very small particles of a solid remain floating without dissolving.
• solid: a state of matter in which the substance has the same shape and volume.
• physical: a change in a substance where no new substances are formed. the substances just takes different shape . a reversible change.
• solution: a homogeneous mixture in which a solute is dissolved in a solvent.
• chemical: a change in substance that have reacted chemically. cannot be easily reversed.
• boil: to change from a liquid to a gas.
• saturated: referring to a solution that is not able to hold any more solute.