1
Rock exhibiting structural change or metamorphism.
2
Rocks that have formed from the cooling of a magma inside the Earth's surface.
3
Sedimentary rock consisting of quartz sand united by some cement.
4
Rocks form when magma reaches the Earth's surface a volcano and cools quickly.
5
Solid material that settles at the bottom of a liquid especially earth and pieces of rock that have been carried along and along and them left somewhere by water, ice or wind.
6
Is one of the three main rock types, is formed through the cooling and solidification of magma or lava.
7
A rupture in the crust of Earth that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
8
Rough or spongy rock used to clean or smooth objects.
9
A type of hard rock that has a pattern of lines going thriough it, feels cold , and can be polished to become smooth and shiny.
10
Hot fluid or semi-fluid material below or within the earth's crust from which igneous rock is formed on cooling.
11
An act or process through which something becomes different.
12
The system in which events follow from one to another; the passing of minutes, hours, days, or years.
13
Liquefied.
14
The solid material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans.
15
The most important thing of several similar things in a particular situation.
16
A hard, black substance that is dug from the earth in pieces, and can be burned to produce heat or power.
