17 terms

Three Oaks 4th grade Earth, Moon, Sun

STUDY
PLAY
Aristotle & Ptolemy
believed the Earth was the center of the solar system and all planets and sun revolved around the Earth
North & South Poles
Earth's axis is an imaginary line that runs between the
Rotation
of the Earth causes day and night
Axis
Earth's tilt
Days would be shorter
if the Earth rotated on its axis faster than it does now
Winter
the North Pole tilts away from the sun
Summer
the sun is highest overhead
Galileo
improved the telescope and proved Copernicus's Sun centered theory
No seasonal changes
If Earth was not tilted what would be different for Virginia
Northern
What Hemisphere is Virginia
One revolution for Earth
365 1/4 days or one year
Rotates
the Earth on its axis
Seasons
because of the Earth's tilt on its axis as it revolves around the sun
Copernicus & Galileo
believed the Sun was the center of the solar system and the Earth and planets revolved around the sun
Summer
when the North Pole is tilted toward the sun
24
How many hours or 1 day for the Earth to rotate on its axis
revolves
Earth does this around the sun