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The shaking part of Earth's surface that often causes great damage.
What is an earthquake?
A preserved part or trace of an animal or plant that lived in the past.
What is a fossil?
Used to describe how rough or smooth something is.
What is texture?
This is a mixture of sand, silt, clay, rock and humus.
What is soil?
A mountain with a hole in the top or side that sometimes sends out rocks, ash, lava, etc. in a sudden explosion.
What is a volcano?
This means to hold inside, as soil does with water.
What is retain?
The top layer of soil that is a mixture of the types of earth.
What is topsoil?
Lava
Rock arrangements such as sea stacks, arches, mesas, and gorges, created by weathering, erosion and other natural processes.
What are rock formations?
What is humus?
A component of soil made of SMALL PIECES of rock.
What is gravel?
Natural phenomena such as erosion and earthquakes that WEAR down landmasses on earth's surface.
Natural phenomena such as volcanoes, rivers, and weather patterns that BUILD UP landmasses on earth's surface.
What is a constructive force?
This is a component of soil that is usually red-orange in color and is thick and sticky when wet.
What is clay?
This type of soil would be best to plant a garden in.
What is soil that is made mostly of humus?
Natural phenomena such as volcanoes, rivers, and weather patterns that BUILD UP landmasses on earth's surface.
What is a constructive force?
Natural phenomena such as erosion and earthquakes that WEAR DOWN landmasses on earth's surface.
What is a destructive force?
What is sand?
The GRADUAL wearing down of something by wind, water or other natural forces.
What is erosion?