X1011580173-00023-05587</DOCNO> INVESTIGATING CUMULUS CLOUD FORMATION INVESTIGATING CUMULUS CLOUD FORMATION by Walter Sanford Planetarium Teacher, Fairfax County Public Schools BACKGROUND Cumulus clouds are caused by convection, during which a parcel of warm, moist air rises and cools until the air temperature equals the dew point temperature and invisible water vapor condenses to become liquid cloud droplets or solid ice crystals.
(a parcel of warm, moist air rises; cools; T:until the air temperature equals the dew point temperature and invisible water vapor condenses to become liquid cloud droplets or solid ice crystals) (the air temperature; equals; the dew point temperature and invisible water vapor condenses) (Fairfax County Public Schools BACKGROUND Cumulus; [is] Teacher [of]; Walter Sanford Planetarium)
a parcel of warm, moist air rises the air temperature Fairfax County Public Schools BACKGROUND Cumulus
cools equals [is] Teacher [of]
T:until the air temperature equals the dew point temperature and invisible water vapor condenses to become liquid cloud droplets or solid ice crystals
the dew point temperature and invisible water vapor condenses
Walter Sanford Planetarium