A scientist who study the changes that the earth has undergone as its physical, chemical, and biological systems have interacted during its 4.5 billion year history
Geologists
the study of Earth’s water
Hydrology
The study of the earth
Geography
A scientist who study the earth
Geographers
The study of Earth’s land, which includes the crust, mantle and core
Geology
The study of the universe
Astronomy
A model of the earth, a kind of map
Globe
It is a flat model of the Earth
Map
Our planet; made up of land, water and air
Earth
