Earth Science

4. Study of the lands, the features, the inhabitants, and the phenomena of the Earth.
6. The global sum of all ecosystems.
8. It is formed through the cooling and solidification of magma or lava.
10. A process used by plants and other organisms to convert light energy, normally from the Sun, into chemical energy that can be later released to fuel the organisms' activities.
12. The scientific analysis and study of interactions among organisms and their environment, such as the interactions organisms have with each other and with their abiotic environment.
14. Study of solid Earth, the rocks of which it is composed, and the processes by which they change.
15. a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.

1. The third planet from the Sun, the densest planet in the Solar System.
2. A layer of gases surrounding the planet Earth that is retained by Earth's gravity.
3. Study of the atmosphere.
5. An all-embracing term referring to the fields of science dealing with planet Earth.
7. The study of fossils to determine organisms' evolution and interactions with each other and their environments.
9. The rigid,outermost shell of a rocky planet, and can be identified on the basis of its mechanical properties.
11. A comparative objective measure of hot and cold.
13. The outermost solid shell of a rocky planet or natural satellite, which is chemically distinct from the underlying mantle.