Hydrology
You could do a study on the water cycle , perhaps explaining the process of evaporation, condensation, and precipitation, and call it "The Wonders of Water." xD
Hydrologists study the distribution, movement, and quality of water on Earth. They investigate water cycle processes, such as precipitation, evaporation, and runoff, to better understand how water interacts with the environment and impacts ecosystems.
wáter cycle
What are two ways that's scientists can study earths climates history
study of the earths
oceanography
geology
geologist study the earths structure.
Geologists study the Earths surface
The study of Earth's surface landforms is known as geomorphology.
The deepest scientist have been able to study earths interior depth is 12,262 meters
it is a study of Earths rocks