Type
Word Scramble
Description

oxygenn
carbon dioxide
humans
Atmosphere
water
carbon
element
nitrogen
bacteria
Evaporation

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

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

Water, Carbon, Nitrogen Cycles Word Search

Type
Word Search
Description

air
ammonia
animals
atmosphere
bacteria
carbon
carbondioxide
cloud
condensation
consumer
decomposition
deforestation
evaporation
forest
fossilfuels
glacier
groundwater
lake
nitrogen
nitrogenfixation
nutrients
ocean
oceans
photosynthesis
plants
producers
river
soilsurface
sunlight
transpiration
water

The Water Cycle Crossword

Type
Crossword
Description

When water vapor turns back into a liquid. Condensation
When water falls from the atmosphere back to land. Precipitation
When water turns into water vapor. Evaporation
The water cycle helps regulate ___________________________. Temperature
Covers 70% of the Earth. Water
Water is a basic _______________________ of nature. Element
When plants release water on to their leaves that then evaporates into vapor. Transpiration
Depending on _______________________ precipitation could be rain, snow, sleet, or even hail. Temperature
When water does not get absorbed into the soil. run-off
A large collection of tiny droplets of water or ice crystals. Cloud
The journey of water from the Earth's surface to the atmosphere, and back again. WaterCycle

Photosynthesis and Cellular Respiration Crossword Puzzle

Type
Crossword
Description

Able to make energy from Light Energy (Plants) Autotrophs
Able to make energy from Chemicals (Bacteria) Chemotrophs
Obtains energy from food; Cannot make energy (Animals & Humans) Heterotrophs
The Organelle found in plants and algae cells where Photosynthesis takes place Chloroplast
Stacks of Thylakoids Grana
Flattened discs where Light-Dependent Reactions occur Thylakoid
The Solution/Space inside the Thylakoid where Light-Independent Reactions occur Stroma
Cannot occur without Oxygen; requires Oxygen Aerobic Respiration
Ca occur with or without Oxygen present; Does NOT require Oxygen Anaerobic Respiration
A green pigment found in most plant cells; gives plants there green color, reacts with sunlight, carbon dioxide, and water to form Carbohydrates; located in Chloroplast Chlorophyll
The process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to produce Carbohydrates and Oxygen Photosynthesis
The process by which cells obtain energy from Carbohydrates; Atmospheric Oxygen combines with Glucose to form Water and Carbon Dioxide Cellular Respiration
The 1st step of Photosynthesis; Light Energy is captured and stored as NADPH and Oxygen gas is released; requires light Light-Dependent Reactions
The 2nd step of Photosynthesis; Calvin Cycle forms Organic compounds using the stored energy(Glucose) Light-Independent Reactions
The anaerobic breakdown of glucose to Pyruvic Acid, which makes a small amount of energy available to cells in the form of ATP; 1st Step of Cellular Respiration Glycolysis
A series of biochemical reactions that convert Pyruvic Acid into Carbon Dioxide and Water; it is the major pathway of oxidation for many organisms and it releases energy; 2nd Step of Cellular Respiration Krebs Cycle
Known as ETC, it converts the most energy into ATP for cells; domino effect; Final Step in Cellular Respiration Electron Transport Chain

WHAT CYCLES THE BIOSPHERE Word Search

Type
Word Search
Description

ALGAE
ATMOSPHERE
BACTERIA
BIOSPHERE
CARBON DIOXIDE
CONDENSATION
DECOMPOSE
EVAPORATION
FOSSIL FUELS
FUNGI
GLUCOSE
NITROGEN FIXATION
ORGANISMS
OXYGEN
PHOTOSYNTHESIS
PRECIPATATION
RESPIRATION
TRANSPIRATION
WATER CYCLE

Cycles of Nature, Relationships, Populations Crossword

Type
Crossword
Description

the processes by which carbon compounds are interconverted in the environment, involving the use of carbon dioxide y photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels. carbon cycle
the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land water cycle
the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition nitrogen cycle
the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure evaporation
the process where plants absorb water through the roots and then give off water vapor through pores in their leaves transpiration
water released from clouds in the form of rain, freezing rain, sleet, snow, or hail precipitation
a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide respiration
The separation of a substance into simpler substances or basic elements decomposition
the chemical processes by which atmospheric nitrogen is assimilated into organic compounds, such as Ammonia or Nitrate, especially by certain microorganisms as part of the nitrogen cycle. nitrogen fixation
the loss or removal of nitrogen or nitrogen compounds commonly by bacteria (as in soil) that usually results in the escape of nitrogen into the air. denitrification
excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen eutrophication
an interaction between organisms or species in which both the species are harmed. Limited supply of at least one resource (such as food, water, and territory) used by both can be a factor. competition
A relationship between two organisms of unlike species in which one of them acts as predator that captures and feeds on the other organism that serves as the prey predation
the way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other mutualism
a non-mutual symbiotic relationship between species, where one species, the parasite, benefits at the expense of the other, the host parasitism
a relationship between two organisms where one receives a benefit and the other is not affected by it commensalism
the maximum, equilibrium number of organisms of a particular species that can be supported in a given environment carrying capacity
Type of limiting factors of a population such as weather, storms, droughts, etc. density independent
Type of limiting factor of a population that depends on the density and are biotic in nature density dependent
a measurement of population per unit area or unit volume density
The arrangement or configuration of a population in a given area Dispersion
When the resources are unlimited in the habitat, the population of an organism may grow in this fashion. Exponential
population growth that occurs when the growth rate decreases as the population reaches carrying capacity logistic

cycling of matter and energy Crossword

Type
Crossword
Description

relating to or resulting from living things, especially in their ecological relations. biotic
physical rather than biological; not derived from living organisms. abiotic
the envelope of gases surrounding the earth or another planet. atmosphere
the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles. soil
the weather conditions prevailing in an area in general or over a long period. climate
the process of turning from liquid into vapor. evaporation
water that collects as droplets on a cold surface when humid air is in contact with it. condensation
the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration. water cycle
the chemical processes by which atmospheric nitrogen is assimilated into organic compounds, especially by certain microorganisms as part of the nitrogen cycle. nitrogen fixation
the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition. nitrogen cycle
the series of processes by which carbon compounds are interconverted in the environment, chiefly involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels. carbon cycle
the synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight. chemosynthesis
a system of interlocking and interdependent food chain food web
An energy pyramid is a graphical model of energy flow in a community. The different levels represent different groups of organisms that might compose a food. energy pyramid

Atmosphere wordsearch

Type
Word Search
Description

chemicals
salt
smoke
dust
water vapor
trace gases
argon
carbon dioxide
Nitrogen
Oxygen
weather
exosphere
Ionosphere
ozone layer
ozone
mesosphere
Sratosphere
troposphere
Atmosphere

Photosynthesis Crossword

Type
Crossword
Description

process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugar and starches photosynthesis
organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer autotroph
the steps in photosynthesis that occur on the thylakoid membranes of the chloroplast and that convert solar energy to the chemical energy of ATP and NADPH, evolving oxygen in the process light reactions
a green pigment found in the chloroplasts of plants, algae, and some bacteria chlorophyll
an organism that obtains organic food molecules by eating other organisms or their byproducts and that cannot synthesize organic compounds from inorganic materials heterotroph
specialized ground tissue that makes up the bulk of most leaves; performs most of a plant's photosynthesis mesophyll
the second of two major stages in photosynthesis (following the light reactions), involving atmospheric CO2 fixation and reduction of the fixed carbon into carbohydrate. Calvin Cycle
a colored chemical compound that absorbs light, producing color pigment
A flattened membrane sac inside the chloroplast, used to convert light energy into chemical energy. thylakoid
granum (grana) a stack of thylakoids in a chloroplast granum
The fluid of the chloroplast surrounding the thylakoid membrane; involved in the synthesis of organic molecules from carbon dioxide and water. stroma
large protein that uses energy from H+ ions to bind ADP and a phosphate group together to produce ATP ATP synthase
The second of two major stages in photosynthesis, involving atmospheric CO2 fixation and reduction of the fixed carbon into carbohydrate. These reactions are also called the Calvin Cycle dark reactions
is the set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products. Cellular respiration
a compound composed of adenosine and three phosphate groups that supplies energy for many biochemical cellular processes by undergoing enzymatic hydrolysis. ATP