Ch 6 Flashcards
(20 cards)
If you look at soil with a hand lens, you will find small pieces of rocks, minerals, and
Humus
You might not see them, but soil is made up of air, and
as well.
Water and living things
When plants and animals die, and fungi decompose them
Bacteria
If the soil does not have enough water the plant will
dry up
If the soil holds too much water the plant will
Drown
Soil contains that can be filled with air or water
Pore spaces
Other properties of soil are color and
Permeability
All the layers from Earth’s surface down to the bedrock, are shown in a
Soil profile
The different of a soil profile are called
Horizons
Permeability indicates how fast passes through soil
Water
Non living, natural substances that make up rock are
Minerals
Minerals can be identified by their color, luster and streak
Properties and hardness
A rock that forms from melted rock is called rock
Igneous
Layers of substances are pressed and cemented together to form rock
Sedimentary
Heat and pressure form rocks
Metamorphic
Products, silicon chips, and
Jewelry
The age of a rock is called
Relative age
What are characteristics like color, streak, hardness and luster
Properties
Minerals come from Earth’s crust. They are found as solids
Non living
All types of rock go through the
Rock cycle
