Matter and Materials Crossword Puzzle

QUESTIONS LIST:

• indicator : a substance that changes color when it comes into contact with an acid, base or neutral substance.
• filtration : method of separation whereby a liquid is separated from a solid by means of a filter.
• mixture : when substances are mixed together, but do not react chemically with each other.
• insulator : material that cannot conduct electricity.
• synthetic : artificial, not natural.
• flexibility : the ability to be bent backward and forward repeatedly without breaking.
• strength : the amount of force or tension a substance can withstand before it will break or tear.
• residue : particles that remain on the filter paper after filtration.
• condensation : process in which a gas changes to a liquid.
• matter : everything that has mass and occupies space.