the rocky surface of the Earth (solid)
the pocket of air that surrounds the Earth (gas)
all the water on the surface of the Earth and underground, including ice and water vapor (liquid)
an imaginary line running from the North Pole to the South Pole through the center of the Earth (ours is tilted 23.6 degrees)
the spinning of a planet or moon on its axis--Earth does this once every 24 hours
the path one object in space takes around another object in space--Earth does this around the Sun
the rise and fall of the water level of the ocean near the shore that is caused by the pull of gravity of the moon. Earth has 2 high and 2 low each day.
the solid rock that makes up the outer layer of the Earth-including the bottom of the oceans
the layer of hot, liquid rock beneath the Earth's crust
the center of the Earth
4 layers of the Earth
crust, mantle, outer core and inner core
when the moon casts a shadow on the Earth...
When the Earth casts a shadow on the moon
phases of the moon
new moon, first quarter, full moon, last quarter