Vocabulary

3. the process in which material is laid down
4. the boundary between tectonic plates that are sliding past each other horizontally
6. the transfer of energy as electromagnetic waves
9. the boundary between two tectonic plates that are moving away from each other
11. the series of processes in which rock forms, changes from one type to another, is broken down or melted, and forms again by geologic processes
13. dark, organic material formed in soil from the decayed remains of plants and animals
14. he process by which wind, water, ice, or gravity transports soil and sediment from one location to another
16. the boundary between tectonic plates that are colliding

1. the mechanical breakdown of rocks into smaller pieces that is caused by natural processes and that does not change the chemical composition of the rock material
2. the movement of matter due to differences in density; the transfer of energy due to the movement of matter
5. the transfer of energy as heat through a material
7. rock that forms when magma cools and solidifies
8. a loose mixture of rock fragments, organic material, water, and air that can support the growth of vegetation
10. a vertical section of soil that shows the layers, or horizons
12. the layer of the atmosphere at an altitude of 15 to 40 km in which ozone absorbs ultraviolet solar radiation
15. each layer of soil within a soil profile