Igneous Rock
Igneous rocks can be found around or in these.
Volcanoes
These are rocks that can become metamorphic rocks.
Igneous and sedimentary and sometimes other metamorphic rock
This is what sedimentary rocks start off as.
Sediment
How many soil layers are there?
5
What is terracing?
Making steps on sides of hillsides
Liquid rocks or may be called _______
molten rock
These two things are required for a metamorphic rock to form.
Heat and pressure
The movement of sediment is called _________
Erosion
Which layer has animals, organic matter, and most plant roots?
What is soil conservation?
Preventing soil erosion and soil contamination
Igneous rock is cooled _______
magma
Deposition
What is the main component of soil?
Weathered rock
How long does it take for 1 inch of topsoil to be made?
1000 years
Igneous rocks can be classified into these two types.
Intrusive and extrusive
How does sedimentary rock turn into metamorphic rock?
Put it under great heat and pressure to change the rock
What has to happen to the sediment to turn into sedimentary rock?
Compaction and cementation
What is subsoil mostly made of?
Clay
What is the difference between dirt and soil?
Soil is living and dirt is dead
How does igneous rock turn into sedimentary rock?
It is broken down into sediment then compacted and cemented
What is the continuous series of changes that rocks undergo called?
Rock Cycle
What is usually found in sedimentary rock?
Fossils
What are the four components of soil?
Rock, air, water, and organic matter
What is a way to conserve soil?
Answers will vary