Definitions
Periodic table
Human activity
Nutrients
Random
100
a substance that enriches soil so plants will grow better
What is fertilizer?
100
O
What is oxygen?
100
This is an organism that harms people, crops or structures.
What is a pest?
100
Fats, oils and waxes
What is lipids?
100
Lichens substrate.
What is rock?
200
This is a compound that dissolves in water to form a solution with a pH higher than 7.
What is a base?
200
H
What is hydrogen?
200
An underground container that where bacteria break down the organic materials before they are moved out into the soil.
What is a septic tank?
200
Organic molecules made up of carbon, hydrogen and oxygen.
What is carbohydrates?
200
The pH indictor is red.
How you determine an acid?
300
Coal, oil and natural gas are called this, because they formed from dead plants and animals.
What is fossil fuels?
300
C
What is carbon?
300
Purified wastewater that is released into rivers or lakes
What is effluent?
300
The largest and most complicated molecules found in living things.
What is nucleic acids?
300
Carbon dioxide is the exception. (think organic, inorganic?)
What is inorganic?
400
Because these complex molecules contain carbon, they are called...
What is organic compounds?
400
CO2
What is Carbon dioxide?
400
On a fertilizer bag these numbers stand for 15-30-15
What is nitrogen-phosphorus-potassium?
400
Water moves through the walls of the plant's roots from an area where there are more water molecules to an area where there are fewer water molecules.
What is osmosis?
400
The amount that provides an organism with the best health.
What is optimum amount?
500
The process of changing free nitrogen so that the nitrogen atoms can combine with other elements to form compounds that organisms can use.
What is nitrogen fixation?
500
NaCl
What is Salt?
500
C3H8+5O2 -> 3CO2+4H2O+energy
What is the combustable reaction in a BBQ?
500
This is required in active transport to move nutrients from areas of low concentration to areas of high concentration.
What is energy?
500
Natural gas that does not contain hydrogen sulfide.
What is sweet gas?
M
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