15 terms

Matter and phases 7th grade extra

STUDY
PLAY
sublimation
the process by which dry ice changes directly from a solid to a gas
condensation
the process by which water vapor changes into liquid water
matter and energy
make up everything in the whole universe
types of energy
heat, light, electrical, sound, magnetic, nuclear
gas
the state of matter where particles are NOT connected
solid
the state of matter where particles are the MOST DENSE
plasma
the state of matter where there are hot electrically charged particles
vaporize
when heated water turns to steam
solids
have fixed shapes
gases
small amounts can fill up a container AND do not have a fixed volume
solids, liquids and gases
all have weight and take up space
vacuum
an area with extremely LOW PRESSURE
absolute zero
CANNOT be reached
human body temperature
37 degrees Celsius
dry ice
never is liquid because it goes right from a solid to a gas