Molten rock → cooled and hardened rock.
How the rock formed
Igneous rock forms when hot, molten rock cools and hardens. That can happen underground, or after the melt reaches the surface.
Practice and planning information only. Not a diagnosis or a grade.
Bedrock: weathering breaks rock in place.
From rock toward soil
Bedrock is solid rock in place. Weathering breaks it there. Carrying the pieces away is a different process: erosion.
Step 1 of 6
Practice and planning information only. Not a diagnosis or a grade.
Jar: mixed soil and water.
Which piece settles first
Shake soil with water. At first the jar looks mixed. Let it sit. Sand, the coarsest of these three, falls to the bottom first.
Practice and planning information only. Not a diagnosis or a grade.
Agent: water → carries loose soil downhill.
Breaking rock and moving it
Water running downhill picks up loose soil and carries it away. A bare slope lets more soil leave.
Practice and planning information only. Not a diagnosis or a grade.