Understanding Earth's Skin: Soil Science Exploration

What are the primary components of soil?

• Minerals, organic matter, air, and water

• Sand, silt, and clay

• Rocks, minerals, and moss

• Water, air, and plants

Which process is responsible for breaking down rocks and minerals into smaller particles?

• Deposition

• Erosion

• Weathering

• Sedimentation

What is the term for the original material from which soil develops?

• Substrate

• Humus

• Parent material

• Bedrock

Which layer of soil is known as topsoil and is crucial for plant growth?

• O horizon

• A horizon

• B horizon

• C horizon

What is the process by which soil, sand, and rock are removed from one location and transported to another?

• Weathering

• Erosion

• Compaction

• Filtration

Which of the following is NOT a factor that influences soil formation?

• Time

• Climate

• Topography

• Tides

What is the term for the accumulation of particles at a new location, often as a result of erosion?

• Weathering

• Erosion

• Deposition

• Mineralization

Which soil particle is the smallest in size?

• Sand

• Silt

• Clay

• Gravel

What is the name of the process that turns rock into soil over time?

• Solidification

• Pedogenesis

• Lithification

• Metamorphosis

Which of the following practices can help prevent soil erosion?

• Deforestation

• Overgrazing

• Terracing

• Monoculture farming