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 OrosĂ, 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.