Soil Profile
Rocks
Earth's Layers
Tectonics
Boundaries
100

The upper layer of soil that contains the greatest amount of minerals and nutrients.

What is topsoil?

100

The process in which rocks are broken down.

What is weathering?

100

The thickest layer of earth that is composed of both liquid and solid.

What is the mantle?

100

The study of how the earth's plates interact.

What is Plate Tectonics?

100

Occurs when two plates slide past one another.

What are transform boundaries?

200

The lowest layer of soil made of solid rock.

What is bedrock?

200

The breakdown of large pieces of rocks into smaller pieces.

What is physical weathering?

200

The coolest and thinnest layer of the earth.

What is the crust?

200

The place plates interact.

What are boundaries?

200

The lithosphere is broken up into large pieces.

What are plates?

300

The second layer of soil containing fewer nutrients.

What is subsoil?

300

The process in which rocks are formed into new materials.

What is chemical weathering?

300

The crust and upper mantle of the earth.

What is the lithosphere?

300

Earthquakes, tsunamis, and volcanic eruptions are cause by this.

What is plate movement?

300

Earthquakes and faults will occur here.

What are transform boundaries?

400

The horizontal layers of soil material.

What is strata?

400

Physical weathering is often caused by these two processes.

What are temperature and pressure?

400

The earth's hottest layer with the most pressure.

What is the inner core?

400

The mantle contains currents that causes this.

What is the magnetic field?

400

The pulling away of lithospheric plates form volcanos. 

What are divergent boundaries?

500

Healthy soil contains a nutrient-rich material made of decayed plant and animal matter. 

What is humus?

500

Chemical weathering is caused by this process.

What is carbonation?

500

The earth's magnetic field is made up of convection currents that occur here.

What is the outer core?

500

The movement of hot magma rising and cold magma sinking.

What are convection currents?

500

Plates push against one another forming mountains.

What are convergent boundaries?