Transcript Water, Carbon, and Nitrogen Cycles

Water, Carbon, and Nitrogen
Cycles
Write underlined
information
How to make the flipbook:
Cycles
The Water Cycle
Nitrogen Element/Nitrogen
Cycle
Carbon Element/ Carbon
Cycle
Greenhouse Effect
Review Questions
Fold 3 sheets of paper
in order to make 6
flaps and label them
according to the
example to the left.
How to make the flipbook:

Attach the cycle pictures into the correct flaps
with glue/tape/staples/etc.

Write the underlined information into the
correct flaps.
Flap # 1
Title Page: Cycles

Unlike the one-way flow of energy, matter is recycled
within ecosystems.
–

This means the kinds and amounts of elements on Earth are
relatively constant.
Each element in living organisms most likely came from
another living organism through the food chain.
Therefore, no amounts are being added nor are they
leaving the earth.
ALL ELEMENTS MUST BE RECYCLED IN NATURE.
Flap # 2
Review The Water Cycle
1. Transpiration
(from plants)
2. Condensation
3. Evaporation
4. precipitation
5.Accumulation
Flap # 3
Nitrogen
78% of the atmosphere is N2 gas
Nitrogen is present in all living organisms,
in proteins, nucleic acids, and other
molecules
Flap # 3
The Nitrogen Cycle

Most living organisms can NOT use
nitrogenous gas.
–

Some bacteria (soil bacteria) CAN convert N2
(gas) into NO3 which can be used by plants. This
is called nitrogen fixation!
Denitrification- conversion of nitrates into
nitrogen gas and sends it back into the
atmosphere
Flap # 3
The Nitrogen Cycle
N2 in
Atmosphere
Synthetic fertilizer
manufacturer
Uptake by
producers
Bacterial
nitrogen fixation
Decomposition
Reuse by
consumers
Decomposition
excretion
NH3
Atmospheric
nitrogen fixation
Uptake by
producers
Reuse by
consumers
Decomposition
excretion
NO3 and
NO2
Flap # 4
Carbon
Carbon is the 4th most abundant
element in the universe and the 2nd
most abundant in the human body.
Carbon is present in all known life
forms, making it the chemical basis for
all life.
Flap # 4
The Carbon Cycle


Carbon exists in the atmosphere as carbon dioxide
gas, and is also present in many other greenhouse
gases such as methane.
Carbon on Earth moves in a big cycle.
Respiration, combustion, and decay of plants and animals
ADD carbon dioxide to the air and remove oxygen.
– Photosynthesis REMOVES carbon dioxide and adds
oxygen.
The processes should balance out. However, it seems human
activity has upset the natural carbon cycle.
–
Flap #4
The Carbon Cycle (key terms)

Respiration- the process where oxygen is taken
in and CO2 is given off

Combustion- a chemical combination attended by
the production of heat, light, and CO2

Photosynthesis- the process in green plants by
which sugars are formed from CO2, water, and
sunlight
The Carbon Cycle
Flap #4
CO2 in
Atmosphere
Photosynthesis
feeding
Volcanic
activity
Respiration
Decomposition
Human
activity
Erosion
CO2 in Ocean
Respiration
Uplift
Deposition
Photosynthesis
Fossil fuel
feeding
Deposition
Carbonate
Rocks
Flap # 5
The Greenhouse Effect. What is it?

The greenhouse effect is when carbon
dioxide and methane trap heat from the sun.
–
–
Gases in the atmosphere naturally act like an
insulating layer. They absorb most of the heat
that would normally be radiated out into space,
and re-radiates it in all directions (including back
towards the Earth).
Increasing temperatures affect ALL organisms!
Review Questions: Quiz time!


Write the questions into the review questions
flap.
Write the full answer, not just the letter
choice.
Back of flip book
#1
–The
only organisms that can convert nitrogen in
the atmosphere into a form useful to living things
are nitrogen-fixing
A
B
C
D
plants.
bacteria.
detritivores.
animals.
Back of flip book
#2
–Carbon
A
B
C
D
is found in the atmosphere in the form of
carbohydrates.
carbon dioxide.
calcium carbonate.
ammonia.
Back of flip book
#3
–
A
B
C
D
Earth's temperature range is maintained by
the greenhouse effect.
climate zones.
ocean currents and winds.
latitude differences.
Back of flip book
#4
–Biologists
describe nutrients as moving through cycles
because the substances
A
B
C
D
start as simple organic forms that plants need.
provide “building blocks” and energy that organisms need.
are passed between organisms and the environment and then
back to organisms.
are needed by organisms to carry out life processes.
#5
If volcanic activity were to increase, how would
that affect the amount of photosynthesis plants
could do?
How would this increase in CO2 from the
volcanoes affect the greenhouse effect on our
planet?
#6
If nitrogen fixating bacteria were to go extinct,
how would that affect the nitrogen cycle? List
at least 3 effects that could occur.