What's Soil
forms on earth’s surface where plants grow.
What is soil
a series of processes on Earth’s surface, in the crust, and the mantle that slowly change rocks
Rock cycle
Physically breaking down rocks
Mechanical weathering
contains small creatures such as earthworms that turn plant and animal materials
Soil
type of rock formed from the cooling of magma/lava
Igneous Rocks
chemically breaking down rocks
Chemical
weathering
plays an important role to life on earth.
Why is soil important
type of rock formed when the particles of other rocks or the remains of organic matter are pressed and cemented together
Sedimentary Rocks
the removal of rock particles by wind, water, ice, or gravity
erosion
helps to clean our water acting as a filter.
soil
type of rock formed when an existing rock is changed by heat, pressure or chemical reactions
Metamorphic Rocks
settling, laying down, or depositing sediment
deposition
Rock that has never been worn down is called bedrock.
What does soil come from
Process that breaks down rocks on Earth’s surface
Weathering
Roots grow into rocks, causing them to crack!
Types of Physical Weathering