Science Chp. 5

meter

unit for measuring length

cubic meter

a unit for measuring the volume of a solid

liter

a unit for measuring volume

graduated cylinder

a tool used to measure the volume of liquids

mass

the amount of material that an object has in it

volume

the amount of space that matter takes up

mixture

two or more substances that are mixed together but can be easily separated

solution

mixture in which one substance spreads evenly throughout another substance

balance

an instrument used to measure an object's mass

gram

a metric unit of mass

kilogram

a metric unit of mass equal to 1000 grams

matter

anything that has mass and takes up space

density

how much mass is in a certain volume of matter

physical change

a change in matter that changes physical properties, but does not produce a different kind of matter

melting point

the temperature at which matter changes from a solid to a liquid

boiling point

the temperature at which matter changes from a liquid to a gas

freezing point

the temperature at which matter changes from a liquid to a solid

chemical change

a change in matter that produces a different kind of matter