When the northern half of Earth is tipped toward the sun, then the Northern Hemisphere experiences summer and the Southern Hemisphere, which is tipped away from the sun, experiences winter.
(the northern half of Earth; is tipped; toward the sun) (the Southern Hemisphere; is tipped; away from the sun) (experiences; winter; T:When the northern half of Earth is tipped toward the sun; T:then)
the northern half of Earth the Southern Hemisphere experiences
is tipped is tipped winter
toward the sun
away from the sun
T:When the northern half of Earth is tipped toward the sun T:then