Earth & Space

1. How many relatively large plates are there?
3. body waves have _______ frequency than surface waves
4. The lithosphere consists of the crust and ________ mantle
6. Plate boundary formed between the Philippine Plate and the Eurasian Plate
8. surface waves can only travel through the ______ of the Earth
9. bending of the crust towards the mantle
10. In which layer is the deepest exploration made by miners?
12. soft, weak and plastic-like layer
17. strong underwater earthquakes can cause a __________
18. At least how many recording stations do we need to estimate the location of the epicenter?
21. 40-50 million years ago, India and Eurasia collided which formed the _________
24. type of wave that rolls along the ground just like a wave rolls across a lake or ocean
26. energy radiates in all directions from the focus in the form of waves called _____ waves
27. type of surface wave named after A. E. H. Love

1. Rayleigh wave was named after Lord Rayleigh or John William _______
2. type of boundary where the crustal plates are moving apart
5. a record made by a seismograph
7. submarine valleys
11. a break in a rock along which movement has occurred
13. a device used to record earthquake waves
14. Consequence of moving crustal plates
15. surface waves arrive after the P and S waves are confined in the ____ layers of the Earth
16. name of the large landmass from Wegener’s theory
17. What do you call the slow and constant movement of plates?
19. consolidated mixture of materials
20. a break in a rock in which no significant movement has taken place
22. type of waves that can travel through Earth’s inner layers
23. most of the _______ felt from an earthquake is caused by the Rayleigh wave
24. a large group of tall mountains is called a mountain ________
25. underwater mountain ranges are called oceanic _______