Science Terminology

1. all of living thing on Earth
5. the movement of liquids and gases
8. a note by way of explanation or comment added to a text or diagram
11. highly reactive gas composed of three oxygen atoms
12. a series of events that are regularly repeated in the same order
14. the 600km thick layer of gas that surrounds Earth
15. a biological community of interacting organisms and their physical environment
16. the energy that comes from a source and travels through space at the speed of light

2. the action of surface processes that removes soil, rock, or dissolved material
3. the chemical element with the symbol O and atomic number 8
4. give a brief statement of the main points
6. a chemical element with the symbol C
7. Earth's rigid outer zone, made up of tectonic plates
9. all the water on Earth
10. the ejection of molten rock, steam
13. the state of the atmosphere at a particular place