earth science

noun

1. any of various sciences, as geography, geology, or meteorology, that deal with the earth, its composition, or any of its changing aspects.

noun

1. any of various sciences, such as geology, geography, and geomorphology, that are concerned with the structure, age, and other aspects of the earth

1. Any of several sciences, such as geology, oceanography, and meteorology, that study the origin, composition, and physical features of the Earth.