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Word Search
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lesson
teaching
wanted
bald
word search
school
bacteria
ammonia
para coccus
hawkins
justin
grahm
sovine
harmon
daiquan
chad
cast
hunter
nh3
no2
gas
nitrogen
animals
78 percent
oxygen
feces
excretion
death
atmosphere
plants
nitrogen fixing bacteria
fish
herbivores
carnivores
nitrification
assimilation
birds
nitrogen fixation
decay
denitrification
ammonification
soil nitrates
nitrogen cycle

Nitrogen Cycle Crossword Puzzle

Type
Crossword
Description

step to make nitrogen useful to plants nitrogen fixation
What do farmers add to the soil to make it more rich in nitrogen fertilizer
the process by which nitrates are converted to nitrogen gas denitrification
plants use nitrogen to make ___________ protein
the process of ammonium getting changed into nitrates by bacteria nitrification
how plants get nitrogen assimilation
the part of the plant that absorbs nutrients from the soil roots
bacteria that convert ammonia to nitrites and nitrites to nitrates nitrifying bacteria
the process by which the protein in faeces, dead plants or animals is converted to ammonia ammonification
organisms such as bacteria and fungi decomposers

The Nitrogen Cycle Crossword

Type
Crossword
Description

What is 78% of the air made of? Nitrogen
What do plants use nitrogen to make? Protein
One way for animals to get nitrogen compounds in their systems is? Consumption
How do plants get the nitrogen they need? Soil
What do farmers add to the soil to add more nitorgen into the soil? Fertilizer
Step to make nitrogen useful to plants Fixation
the process of ammonium getting changed into nitrates by bacteria Nitrification
How plants get nitrogen Assimilation
the process of decomposers turning the nitrogen back into ammonium ammonificaction
the process of extra nitrogen getting released into the air Denitrification

Nitrogen Cycle Crossword

Type
Crossword
Description

- Ammonia
- Nitrite
- Nitrate
- Bacteria
- Legumes
- Lightning
- Protein
- Fixation
- Roots
- Fertilizer
- Nitrification
- Decomposition

Nitrogen Cycle Crossword

Type
Crossword
Description

What needs to be changed into nitrite (NO2–) and then nitrate (NO3–)? Ammonia
A group of microbes changes what back into nitrogen gas (N2) or nitrous oxide (N2O)? Nitrate
Ammonia needs to be changed into what and then nitrate (NO3–)? Nitrite
Nitrogen gas (N2) must first be changed into ammonia (NH3). A diversity of what have the proteins necessary to do this? Bacteria
What type of plant has nitrogen-fixing bacteria in root nodules? Legumes
What is something bright that changes nitrogen gas into a form useful to plants? Lightning
The process of nitrifying bacteria bringing about the oxidation of ammonia (NH3) to nitrites (-NO2) and of nitrites to nitrates (-NO3) is called what? Nitrification
Meat and eggs are common types of what? Protein
Nitrogen gas (N2) must first be changed into ammonia (NH3). A diversity of bacteria have the proteins necessary to do this. This is called what? Fixation
A group of nitrogen-fixing organisms is composed of special bacteria, which live symbiotically in nodules on the what of certain plants? Roots
It can either be synthetic or natural and is important for plants to grow. What is it? Fertilizer
The break down of the tissues of dead plants and animals is called what? Decomposition

Abiotic Cycles Project Crossword

Type
Crossword
Description

What is the biological oxidation of ammonia or ammonium to nitrite followed by oxidation of nitrite to nitrate? nitrification
What is the removal or loss of nitrogen or nitrogen compounds? denitrification
What is the chemical process which atmospheric nitrogen is assimilated into organic compounds? nitrogen fixation
What is the decomposition with production of ammonia or ammonium of bacteria on nitrogenous organic matter? Ammonification
What is the process in which plants and other organisms use sunlight to synthesize foods from carbon dioxide and water? Photosynthesis
What is the process in living organisms involving the intake of oxygen and the release of carbon dioxide? Respiration
What is the rapid chemical combustion of a substance with oxygen, involving the production of heat and light? Combustion
Rain, snow,and sleet Percipitation
Liquid to vapour Evaporation
Moisture from plants creating vapour Transpiration
What is the water draining from a surface, land, or building called? Runoff
The conversion of a vapor or gas to liquid? Condensation

Biogeochemical Cycles Word Search

Type
Word Search
Description

albedo
bacteria
carbon cycle
carbon reserviors
condensation
denitrification
evaporation
greenhouse
groundwater
hydrological cycle
leaching
nitrification
nitrogen cycle
percolation
phosphorus
photosynthesis
precipitation
transpiration

Nitrogen Cycle Crossword

Type
Crossword
Description

The only organisms that can fix atmospheric nitrogen into chemical compounds Nitrogenfixingbacteria
Makes up 78 percent of the gases in the atmosphere Nitrogen
Nodules that live on the roots of plants Legumes
They are essential to the nitrogen cycle; breakdown wastes, such as urine, dung, leaves, and other decaying plants and animals decomposers
Some of the nitrogen that cycles from the atmosphere and living this is released to the soil with the help of Bacteria
Nitrogen in the air Atmospheric nitrogen
nitrogen-fixing bacteria in soil and roots of nodules produce ammonia
Other bacteria convert ammonia into; plants can use nitrates
The process by which bacteria changes fixed nitrogen back to gaseous nitrogen, which is then released back into the enviroment. denitrifying
The layers of gases that surround the earth; the air Atmosphere

Chapter 3 Vocabulary Word Search

Type
Word Search
Description

Abiotic factor
Autotrophs
Biogeochemical cycle
Biomass
Biome
Biosphere
Biotic factor
Carnivores
Chemosynthesis
Community
Consumer
Decomposer
Denitrification
Detritivores
Ecological pyramid
Ecology
Ecosystem
Food chain
Food web
Herbivores
Heterotrophs
Limiting nutrient
Nitrogen fixation
Nutrients
Omnivore
Photosynthesis
Phytoplankton
Population
Primary producers
Scavenger
Species
Trophic level
Zooplankton

Biology-Ecology Crossword

Type
Crossword
Description

A science that deals with the relationships between groups of living things and their environments Ecology
The place or type of place where a plant or animal naturally or normally lives or grows Habitat
Any living component that affect another organism Biotic Factor
Drawing from natural ecosystems which are defined as the network of interactions among organisms and between organisms and their environment Ecological Model
Non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems Abiotic Factor
The function or position of a species within an ecological community Niche
An autotrohpic organism that serves as a source of food for other organisms in a food chain. Producer
A heterotrophic organism that feeds on other organisms in a food chain. Consumer
The total mass of living matter within a given unit of environmental area. Biomass
An animal that feeds on plants. Herbivore
An animal that feeds on flesh. Carnivore
An animal that eats both plants and animals. Omnivore
an animal that feeds on dead organic material detritivore
break down dead or decaying organisms decomposer
the position an organism occupies in a food chain trophic level
series of organisms each dependent on the next as a source of food food chain
a system of interlocking and interdependent food chains food web
the flow of chemical elements between living organisms and the enviroment biogeochemical cycle
when a plant absorbs water in its roots transpiration
the chemical processes by which atmospheric nitrogen is assimilated into organic compounds nitrogen fixation
the process of ammoniating; decomposition with production of ammonia ammonification
biological oxidation or ammonium to nitrite followed by the oxidation of the nitrite to nitrate nirtification
the loss or removal of nitrogen or nitrogen compounds denitrification
the trapping of the sun's warmth in a plants lower atmosphere greenhouse effect
an organism that is able to form organic substances from simple inorganic substances autotroph
an organism deriving its nutritional requirements from complex organic substances heterotroph
process by which plants use sunlight to synthesize foods from carbon dioxide and water photosynthesis

Biogeochemical Cycles Crossword

Type
Crossword
Description

Our atmosphere contains 78% free _________________________. Nitrogen
Animals need nitrogen to produce ______________________. Proteins
What molecule is produced when nitrogen is fixed? Ammonia
Animals get nitrogen into their systems by eating _______________. Plants
Large organic molecule containing nitrogen that contains your genetic information. DNA
Prokaryote responsible for "fixing" nitrogen. Bacteria
_________________________ occurs when fertilizer runoff causes excess algae and water weeds. Eutrophication
Process where water "evaporates" from plants. Transpiration
What "powers" the water cycle? Sun
Rain, snow, sleet, or hail. Precipitation
The downward entry of water into the soil or rock surface. Infiltration
Process by which water changes from a liquid to a gas. Evaporation
Oats, peas, beans, corn Legumes
Helps plants to grow. Fertilizer
Bacteria that break down organic matter. Decomposers
Process by which water vapor turns into liquid water. Condensation