Rocks and Soil
Sedimentary Rocks
Igneous Rocks
Metamorphic Rocks
Layers of Soil
100
How many times can a rock change/become a different type of rock?
Unlimited times/ there is no limit.
100
Rock that forms from materials on the Earth's surface piling up into layers.
Sedimentary rock.
100
Melted rock that reaches the earths surface is called _____?
Lava.
100
What type of rock if formed by heat and pressure?
Metamorphic rock?
100
The first layer of soil that doesn't hold very much water is called________?
Top soil.
200
Matter that is or once was alive is called _______?
Organic Matter.
200
Shale, sandstone, and limestone are types of sedimentary rocks that often contain (remains of plants and animals that were once alive) or _________.
Fossils.
200
Where are Igneous Rocks made from cooling magma formed?
Inside the earths surface.
200
What is the first step in making a metamorphic rock?
Rock falls deep int the earths surface.
200
What is the best type of soil to grow things in and why?
Top Soil because of nutrients/humus/organic matter.
300
The type of matter normally found in the bottom 2 layers of soil is called________?
Inorganic matter.
300
What is the first step to making a sedimentary rock?
Weathering?
300
Rocks that cool slowly from magma have BIG or SMALL crystals.
Big crystals
300
What is the second step to making a metamorphic rock?
Heat and pressure?
300
What are the last 2 layers of soil?
Subsoil and bedrock.
400
"Dead or decaying parts of plants and animals"
Humus
400
What is the second step to making a sedimentary rock?
Piling up/ forming layers.
400
Igneous rock will most likely form by a ________.
Volcano.
400
What happens to the rock after heat and pressure?
It changes and forms a metamorphic rock.
400
What happens when subsoil gets wet (what special type of soil is found in subsoil)?
Clay.
500
"Breaking down rock into sediments."
Weathering.
500
What is the last step to making a sedimentary rock?
Air gets smushed out and the rock becomes hard.
500
What is an example of an Igneous rock?
Granite, Bsalt, Obsidean.
500
What type of rocks can become metamorphic?
All of them (sedimentary, igenous, or metamorphic).
500
What is bedrock made of?
What is weathered and unweathered rock?