All About Soil
What is a function of soil?
supports plant growth, life, and the growth of minerals
What does "WED" stand for?
Weathering, Erosion, and Deposition
The shaking of Earth's surface that is caused by a sudden movement in the Earth's crust.
An earthquake
A type of rock that transforms into a new type of rock
Metamorphic
Name one characteristic that can be used to classify a mineral.
hardness, luster, color, streak, specific gravity, fracture, etc.
Which layer (horizon) of soil is mainly made up of organic material?
O Horizon
The breaking down of rocks and minerals on the surface of the Earth is known as ________.
Weathering
Pressure that builds up in the gas bubbles of magma and erupts
Volcano
A rock that is formed by the cumulation or deposition of minerals and organic particles.
Sedimentary
The property that describes how easy it is to scratch the surface of a mineral.
Hardness
True or False: Soil can be used to support the ecosystem by absorbing gases from the atmosphere.
True
The process of moving materials that have been worn down is called _______.
Erosion
A large amount of earth, rock, and other material in the earth that moves down a steep slope.
Landslide
A type of rock that is formed through the cooling and solidification of magma or lava
Igneous Rock
The color of a mineral in powdered form
Streak
Name one of the five factors that influence soil formation.
Time, Climate, Weathering, Organisms, and Topography
The laying down of broken sediments in a new location is called _______.
deposition
A large ocean wave caused by an earthquake or an underground volcano
A Tsunami
Name the three types of rock in the rock cycle,
Sedimentary, igneous, and metamorphic rock
Describes how a mineral breaks up into pieces
Cleavage
What is soil made up of? (4 components)
minerals, water, air, and organic matter
What can cause weathering, erosion, and deposition? (3 things)
Wind, water, and glaciers
Name three facts about tsunamis.
Answer may vary
Describe the process of the rock cycle.
Answers may vary
Describe one property of mineral and how it can be used to help classify the mineral.
Answers may vary