Introduction to Earth Science Crossword

The envelope of gases surrounding the Earth or another planet
the study of the effects of natural and unnatural processes, and of interactions of the physical components of the planet on the environment
Any of the almost spherical concentric regions that makeup Earth from the center to the crust
The branch of science that deals with the physical and biological properties of the sea
The scienc that deals with the Earth's physical structure, makeup, rock history, and the processes that act on the Earth
All the oceans, seas, lakes, and streams on Earth
The branch of science that deals with celestial objects, space, and the physical universe as a whole
The study of our planet's physical characteristics, from earthquakes to raindrops, floods to fossils, and the moon and stars
This sphere is part of the hydrosphere, atmosphere, and geosphere
This is the branch of science concerned with all the weather processes
The theory of how the Earth and Solar System formed
The theory that all the continents are moving
Human population is the greatest threat to this