Physical and Chemical Changes Vocabulary Test

a change in some properties of matter that does not change what the substance is made of

• property
• chemical reaction
• physical change
• chemical change

a change that produces one or more new substances

• property
• precipitate
• physical change
• chemical change

a characteristic of a material that helps identify or classify that material

• property
• matter
• volume
• measure

the scientific law that states in any physical or chemical change, the total mass of the matter does not change

• conservation of matter
• volume
• chemical reaction
• melting point

a solid that forms from a solution during a chemical reaction

• precipitate
• solute
• homogeneous
• solvent

when a scientist repeats an experiment with a different group of people or a different batch of the same chemicals and gets very similar results

• reliable
• acurate
• property
• precipitate

how close a measurement is to the true or accepted value

• reliable
• acurate
• property
• precipitate

the process by which a gas cools and changes to a liquid

• evaporation
• condensation
• temperature
• gas

the process in which a substance warms and changes from a liquid into a gas

• evaporation
• condensation
• temperature
• gas

a measure of how fast the particles of matter are moving

• evaporation
• condensation
• temperature
• gas