Rocks and Soil Flashcards
Landform
A feature of the earth’s surface
Mineral
A nonliving, natural substance found in the earth
Elevation
The height land rises above sea level
Igneous rock
Rock formed when magma or lava cools and hardens
Metamorphic rock
Rock formed when heat and pressure are applied to sedimentary or igneous rocks
Sedimentary rock
Rock formed when layers of rock pieces and layers of minerals and other materials that have been deposited over time pile up, stick to each other, and harden
What is a Rock cycle?
The process through which rocks change from one form to another
Humus
The decaying plant and animal matter in soil that helps plants grow
Geologist
A scientist who studies the earth
Soil
The loose material that covers the surface of the earth and supports plant life
Different properties of rocks
Color, texture, luster, hardness, and shape
Why is soil so important?
Covers the surface of the earth and supports plant life.
What are the three types of rocks?
Igneous rock, metamorphic rock, and sedimentary rock