The Earths System Ch. 5

___ water that has been used and now contains harmful substances

• wastewater

• matter

• mass

• harmful water

___ the stuff that things are made of

• matter

• mass

• property

• volume

___ the amount of matter in an object; the mass of an object is its weight

• mass

• volume

• property

• chemical reaction

___ the amount of space that is occupied (take up)

• water vapor

• engineer

• evaporation

• volume

___ matter that is made of only one kind of atom or molecule

• matter

• substance

• evaporation

• molecule

___ what you can observe or measure about something that helps you figure out what it is

• mass

• matter

• chemical reaction

• property

___ a process in which substances cange into different substances

• engineer

• property

• chemical reaction

• synthesis

___ putting together ideas from different sources in order to come to a new understanding

• synthesizing

• volume

• wastewater

• matter

___ when a gas turns into a liquid

• condensation

• evaporation

• water vapor

• synthesizing

___ when a liquid turns into a gas

• engineer

• water vapor

• evaporation

• condensation