Across
- 3. rocks that are compacted and cemented together
- 5. resource that is mined and valuable
- 7. this is what they use to indicate the age of fossils in the absolute dating method
- 8. rocks that are light in color due to lots of silica
- 10. phase after a full moon when the moon's light is decreasing
- 13. how a mineral reflects light from the surface
- 14. data that involves numbers
- 17. the mercalli scale measures intensity but what does the richter scale measure
- 18. fault that is moving horizontally
- 20. what metric unit is used to measure water
- 21. land features that form in convergent subductive zones
- 22. this type of erosion includes creeps and landslides
- 23. this is the topsoil and is a good material for plants and other organisms to live
- 25. type of mine that involves digging tunnels to reach ore
- 26. what mainly influences soil information in an area
- 28. one or more of the same atoms bonded together
- 29. if the silica content is little then what is the viscosity
- 30. rocks that have undergone intense heat and pressure
Down
- 1. two tectonic plates move apart
- 2. fourth step in the scientific method
- 4. what is the major feature formed by a hotspot in the northwest
- 6. rocks that form when magma cools on or near the earth's surface
- 9. what types of rocks are found on the moon
- 11. ice wedging is what type of weathering
- 12. dissolved minerals that crystallize
- 15. another word for saying that a mineral is not living
- 16. an organism that lived a short time but was widely distributed
- 19. the galaxies in the universe are moving apart, therefore, the big bang theory thinks that the world was a what
- 24. the type of dating that compares ages of rock layers and doesn't give an exact age
- 25. earthquake wave that is transverse and is second to arrive
- 26. what is the third step in the atom to rock process
- 27. the movement of the earth around the sun
