Across
- 7. The day of December 21, the shortest day, and the sun sets in the East and West.
- 9. The bending of waves as they pass from material of density to another.
- 11. The day June 21, the longest day during the year, and the sun sets in the East and West.
- 12. 15-40 miles thick and less dense due to the granite, there are elements of oxygen, silicon, and aluminum.
- 13. Extremely hot temperature, and it’s primarily liquid.
- 14. Where volcanoes get their lava.
- 16. There are two types oceanic and continental and has elements of oxygen, silicon, and aluminum or magnesium.
Down
- 1. The point of orbit of a planet or another astronomical body, which is closest to the sun.
- 2. Part of the crust and upper mantle.
- 3. Caused by the iron in the outer core creating an electric current by convection.
- 4. Waves that travel through the earth or along the earths surface.
- 5. The inner most part of the earth, its solid, and untouched by man.
- 6. day 4 minutes shorter than a solar day, and it’s the time until distant stars are in the same position.
- 8. Transverse waves that travel through the earth the slowest.
- 10. Boundary between crust and upper mantle.
- 15. Compressional waves that travel through the earth the fastest.