Chapter 1- Pedology Flashcards
What do we call a self pumping well?
An artesian well
What do we call a way of explaining in object or event by using a set of facts?
A theory
When does the theory become a law?
Whenever cannot be proven false
What is the first step of the scientific method?
State the problem
When someone says gather information about the problem which step is that
The second
What is the fourth step of the scientific method
Test the hypothesis
When someone says formulate a hypothesis which step is that?
The third
What is the study of soil?
Pedology
What is the term that means to break down
To decompose
What is the substance that is composed of a decayed organism particles
Humus
What do we call the layer of solid rock beneath the subsoil
Bedrock
What type of soil contains a range of sand silt clay and humus
Loam
If something is below seven on the pH scale what is it?
Acid number
Anything above seven on the pH scale is what?
Basiscity
What is the substance which is composed of only one type of atom
An element
Name the elements that is valuable to the plant when it’s fruit is ripening because the fruit stays firm
Phosphorus
The primary function of this element is used for the general health of the plant to take away disease
Potassium
What’s the most basic unit of a substance
In Atom
Atoms that are linked together in groups are called what
Molecules
Mass measures the amount of what in an object
Matter
What does weight measure
The amount of gravity pulled on an object
What measures how tightly packed matter is
Density
What is the study of the earth?
Geology
What to be called deposits of sand mineral fragments or organic material?
Sediments
What is the most abundant element in the earths crust?
Oxygen
