Movements of the Earth
The movement of the Earth about its axis.
Rotation
This line is at 0° latitude.
Equator.
The liquid part of the Earth
Hydrosphere
Astronomers use these to look at planets and stars.
Telescopes
This movement of the Earth is responsible for the seasons.
Revolution
This line is at 0° longitude.
Prime Meridian
The solid part of the Earth.
Geosphere
He was the first person to walk on the Moon.
Neil Armstrong
The amount of time it takes for the Earth to move around the Sun.
365¼ days (1 year and 6 hours)
These lines measure latitude, or the distance from the equator.
Parallels
The part of the Earth that contains oxygen.
Atmosphere
He was the first person to observe the planets using a telescope.
Galileo Galilei
The direction of the Earth's rotation.
Anticlockwise
These lines measure longitude.
Meridians
The part of the Earth that contains the five oceans.
Hydrosphere
The name of the first satellite launched into space.
Sputnik
Winter
When writing geographic coordinates, we always write this measurement first.
Latitude (N/S)
The part of the Earth that we can walk on.
Geosphere
The Ancient Greek philosopher who first observed that the Earth is spherical, not flat.
Aristotle