Show:
3 Types of Rocks
Rock Characteristics
Weathering/Erosion
Soil Layers
Soil Composition
100
Rocks made from sediment and pressure
What is sedimentary?
100
Rocks composed of layers that contain sediment, fossils, shells and sand.
What is sedimentary?
100
The process of bits of rock moving from one place to another.
What is erosion?
100
The top layer of soil.
What is topsoil?
100
Contains bugs, roots, organic matter, sand etc.
What is topsoil?
200
Rocks made from magma that cool and harden.
What is igneous?
200
Rocks that contain tiny holes made from gas bubbles, can also be glass-like and contain small crystals.
What is igneous?
200
The process of rocks cracking and breaking apart.
What is weathering.
200
The layer of soil mostly composed of large rocks that have not been broken down into soil yet.
What is bedrock?
200
Living plants and animal life.
What are organisms?
300
Rocks made under the earth from intense heat and pressure.
What is metamorphic?
300
Rocks that are formed under the earth by heat and pressure, have ribbon-like layers and or shiny crystals formed from minerals.
What is metamorphic?
300
When plants grow up through a rock and cause it to crack.
What is weathering?
300
The layer of soil that is made up mostly of rock and minerals and has no organic matter.
What is parent material?
300
Composes about 45% of Earth's soil.
What are minerals?
400
A substance that occurs naturally in the Earth such as pyrite or gold.
What is a mineral?
400
Name of sedimentary rocks.
What is sandstone, limestone, shale etc.?
400
When a glacier moves and carries bits of rock with it.
What is erosion?
400
A side view "slice" of the different layers of Earth.
What is a soil profile?
400
Together composes about 50% of Earth's soil.
What is air and water?
500
Something that is made up of several minerals combined together.
What is a rock?
500
Names of igneous rocks.
What is pumice, obsidian, granite etc.?
500
When water fills the cracks in a rock, freezes and causes it to break apart.
What is weathering?
500
The layer of soil beneath topsoil.
What is subsoil?
500
Helps keep soil from eroding.
What are plants/trees?