Across
- 2. ratio of the speed of light in a vacuum to the speed of light in a medium
- 4. Measures vibrations that travels through the interior of Earth or any other object; on Earth, these are generally caused by earthquakes.
- 8. A Van Allen radiation belt is a zone of energetic charged particles, most of which originate from the solar wind
- 10. Sedimentary or igneous rocks that are altered by pressure or density
- 11. Class of silicates (made of silicon and granite)
- 13. The zone within which the Earth’s magnetic field dominates over the interplanetary magnetic field that extends outward from the Sun
- 16. The sideways and downward motion of the edge of a plate pf earth’s crust into the mantle beneath another plate
- 17. plate tectonics spreading away from each other.
- 18. making up about 6 kilometers of the crust.
Down
- 1. The motion of segments or plates of the outer layer of a planet over the underlying mantle.
- 3. Rocks made up of igneous rock or decomposed living organisms
- 5. clashing against each other.
- 6. a vibration that travels through the interior of Earth or any other object; on Earth, these are generally caused by earthquakes.
- 7. The solar wind is a stream of charged particles released from the upper atmosphere of the Sun, called the corona
- 9. sliding against each other.
- 12. Spots area far from the border of tectonic that are hot because of center of the earth
- 14. Largest part of solid Earth, from base of crust to a depth of 2900 kilometers
- 15. Any rock that has cooled from a molten state