Directions: Read the text below and complete the table by filling in the missing details. Then, answer the questions that follow. Use a separate sheet of paper for your answers. - Seismic waves are known as earthquake waves. There are types of seisraic waves: Primary waves, Secondary waves and Surface waves. Primary waves (also called P-waves) travel the fastest of all the waves. They are unique in the aspect that they travel through all states of matter - solid, liquid, and gas. P-waves are considered push-pull waves. They push and pull the rock on the contrary, secondary waves (also called as S-waves) are not as fast as P- waves. They cannot travel through liquid or gas. S-waves travel in a side-to- side motion. Surface waves (also called as L-waves) are the slowest wave. They move along the earth's surface similar to the way waves travel in the ocean, up and down. They are the most destructive wave because of the damage they create directly on to the earth's surface. As the waves reach the core, one kind of seismic wave (S-wave) disappears. That means that the outer core is liquid. Seismic Wave Another Namc Speed Motion Type of Material it travels Primary Wave 1. . 2. Solid, Liquid and Gas 3. 4. S-wave 5. Average speed 6. 7. L-wave 8. Earth's Surface Up and down​