Across
- 3. the process of a planet separating its materials.
- 6. the point in a planet's orbit where it is furthest away from the sun
- 8. a day during the summer where the sun is up the longest
- 11. an imaginary circle drawn around the earth that measures latitude
- 13. consists of the crust and upper part of the mantle
- 14. molten rock and metal lying just beneath the lithosphere
- 15. a boundary between the crust and upper mantle
- 16. the path of a celestial objects
Down
- 1. the point in a planet's orbit where it is closest to the sun
- 2. the distance of a place north or south of the earth's equator
- 4. the innermost layer of the earth made of iron and nickel
- 5. the process of molten iron is converted into magnetic energy
- 7. the rotational motion of the axis of a spinning body
- 9. 1800 miles thick and made of oxygen, magnesium, and silicon
- 10. the outermost layer of the earth, oceanic and continental
- 12. the liquid layer of earth's core between the mantle and inner core