|New, crescent, quarter, ____, and full describe lunar phases.
|Dinosaurs lived on the Earth from 230 to 65 ____ years ago.
|Cooled lava and magma solidify to form ____ rocks.
|Heat and pressure are required to create ____ rocks.
|Amber, coral, pearl, and shell are ____ (unlike true minerals).
|The molten rock expelled by a volcano is called ____.
|The Earth was formed about 4.5 ____ years ago.
|Earthquakes create ____ waves, which are sound waves.