Rock – a very hard

material composed of minerals.

There are three types of rocks:

igneous sedimentary metamorphic

Petrology - the scientific study of

rocks.

Garden of the Gods Park in Colorado Springs, Colorado.

The rocky side of a mountain creek near Orosí, Costa Rica

Gibraltar is a lump of limestone (Sedimentary rock).

Ayers Rock is in the middle of Australia.

Soil - upper layers of Earth in

which plants grow.

Natural resources – materials that are found in nature such as fossil fuels, rocks, soil, water and gases of the atmosphere as well as living

organisms such as trees.