Disclose a secret or reveal something prematurely, as in You can count on little Carol to spill the beans about the surprise. In this colloquial expression, first recorded in 1919, spill means âdivulge,â a usage dating from the 1500s.
Unformatted text preview: A) S waves travel through solids and P waves travel through liquids. B) P and S waves travel through liquids, but S waves do not travel through solids. C) P waves travel through solids; S waves do not. D) P and S waves travel through liquids, but P waves do not travel through solids.
Surface Waves - Radiate from the epicenter and travel along the Earth's surface. Have up and down rolling motion, and side to side vibrational motion. During an earthquake, the Earth's surface 'rolls' like waves on the open ocean and moves from side to side. Body Waves - Radiate from the focus and travel throughout the earth's interior. There are two types of body waves: P-waves and S-waves. P-wave (primary wave) - A compressional wave that causes alternate compression-expansion of the rock. Move through both solids and liquids (Fig 8.8 A).