|The tide stages are flood tide, high tide, ____ tide, and low tide.
|The Earth's ____ is mostly solid rock between its crust and core.
|A ____ is an elongated whale-shaped hill formed by a glacier.
|An underwater earthquake could generate a ____.
|Clay, humus, sand, and ____ (quartz grains) are found in soil.
|The scientific study of earthquakes is called ____.
|A molecule of ____ contains three oxygen atoms.
|The Earth is between the Sun and the Moon during a ____.