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DO NOW
Prompt
March
2nd
What is happening to the apples in this
picture? How does this happen?
Reminders:
--Write HW in agenda
--Voice level at 0 during Do Now
This week’s HW:
Cycles Overview – Due FRIDAY
ESSENTIAL QUESTION:
How does energy flow in a food web
and food pyramid?
OBJECTIVES:
-Relate food chains to the ENGERGY
PYRAMIND
ENERGY PYRAMID
• Brainpop: Energy Pyramid
10% Rule
100 Units of Energy
10 Units of Energy
1 Unit of Energy
90% of the energy is lost each time it moves up a trophic level
Food Pyramid
• Complete the food pyramid activity using page
_____ in the Gateways book
• Complete this on pg ____ in your notebook
• Make sure your Food Web (from Friday) is
complete
EXIT TICKET
Where does energy come from in a food
pyramid?
Where does the
energy go?
March
3rd
DO NOW
Prompt
What is happening to the apples in this
picture? How does this happen?
This week’s HW:
Cycles Overview – Due FRIDAY
Reminders:
--Voice level at 0 during Do Now
--Quiz Friday over Transfer of Energy in Food Webs/Cycles
ESSENTIAL QUESTION:
How does matter cycle and change
through living systems?
OBJECTIVES:
-Observe cycles of matter
-Discuss how and why matter cycles
-Define Cycles and Biomass
Decaying Watermelon Time lapse
35 Days shortened to 1 minute.
Turn and Talk:
What decomposers are at work in this video?
What might be the benefits to decay?
Are there any negative consequences to decay?
What if?
Turn and Talk
Describe what it would be like if no organisms
were ever broken down, if that they remained
preserved at the surface of the Earth.
Bacteria
What do you know about bacteria?
Bacteria
Cycles Glossary – Page __
Make a new glossary page on page ___
Title: “Cycles Glossary” and set up page like this:
Word & Definition
Examples
Add to Glossary page ____
Cycle
A periodically repeated sequence of events.
3 Cycles
• WATER
• NITROGEN
• CARBON
Add to Glossary page ____
Biomass
The matter that comes from living, or
previously living organisms.
Turn and talk:
Give some examples of biomass in your life.
Thanks! – Page _____
• Write a thank you letter to bacteria for
breaking down all of the organic material left
by dead plants and animals.
• Include the reasons the bacteria are a good
thing for breaking down matter.
March 3
DO NOW
Objective SWBAT observe how matter cycles and changes through living systems.
Prompt
Which of the following compounds are
organic? How do you know?
A. C6H12O6
B. CO2
C. H2O2
Reminders:
D.
This week’s HW:
Cycles Overview – Due FRIDAY
--HW Due Friday
--Voice level at 0 during Do Now
--SIGN UP for tutorials if you want to come (Thurs. Lunch)
ESSENTIAL QUESTION:
How does matter cycle and change
through living systems?
OBJECTIVES:
-Discuss where we can find Carbon
-Explore the carbon cycle on laptops
-Talk about composting bins
Where in the world is…?
Carbon San Diego??
Think/Pair/Share
Where can Carbon be found in your world?
Brainpop
• Carbon Cycle
Carbon Cycle Game
Go to the following webpage:
www.windows2universe.org/earth/climate/carbon_
cycle.html
***Fill out your foldable as you play the game.
Carbon Cycle Debrief
Tape
To
Page
____
Composting
Vermicomposting
VERMI = Worm
March
4th & 5th
DO NOW
Prompt
Look at the graph at your table and read
the information.
What are the possible causes for the
changes in the amount of CO2 in the
atmosphere?
Reminders:
This week’s HW:
Cycles Overview – Due FRIDAY
--HW Due Friday
--Voice level at 0 during Do Now
--Quiz Friday over Transfer of Energy in Food Webs/Cycles
ESSENTIAL QUESTION:
How does matter cycle and change
through living systems?
OBJECTIVES:
-Watch a clip from Rocky Mtn. Natl
Park about ammonia pollution
-Explore the Nitrogen Cycle Stations
-Observe compost bin in garden
Video
• Ammonia Deposition in Rocky Mountain
National Park
Station Activity
Complete your handout as you rotate through
stations.
Expectations:
-Stay on task
-Do not leave your group
-Voice level 2
Brainpop
• Nitrogen Cycle
Nitrogen Cycle Debrief
Where are you at?
How did you arrive?
Where are you going?
or
Lightning strikes!
Nitrogen gas is make into
a solid and travels to the
soil!
Bacteria have
transformed you into
nitrogen gas and you are
now part of the
atmosphere!
Atmosphere
(air)
Debrief Question(s):
Forest Fire! The wood
you were within is burnt
and you have been
released into the
atmosphere.
1.
Based on the pie chart above, what
percentage (%) of the atmosphere is
nitrogen?
a. 21%
b. 0.1%
c. 78%
Blue green algae and
bacteria convert you into
a solid bringing you to
the soil!
Bean plants extract you
from the air and bring
you to the soil!
or
Some nitrogen can get
into the water in clouds
and then fall as rain!
Where are you at?
How did you arrive?
You fall into a lake or
stream so now you are
part of surface water.
Where are you going?
or
You are just the sort of
nitrogen that plants need
to live. You are now
within a live plant!
You are
decomposed
and become
dissolved in
surface water!
Surface
Water
What’s that in the
water? You have
dissolved into
surface water!
or
You travel through the
rivers and streams to the
ocean!
Debrief Question(s):
You dissolve
and wash into
the surface
water!
The groundwater you are
dissolved within travels
and you become part of
the surface water!
2. If plants need nitrogen to grow, then how
will adding extra nitrogen to the water affect
the growth of aquatic (water) plants like
algae?
a.
b.
c.
Aquatic plants will die
Aquatic plants will grow rapidly
Aquatic plants will not be able to
preform photosynthesis.
or
You percolate deep
underground in the
groundwater!
Where are you at?
How did you arrive?
Some nitrogen can get
into the water in clouds
and then fall as rain!
Where are you going?
You fall into a lake or
stream so now you are
part of surface water.
or
You fall on the land and
become part of the soil!
Rain
Water
Debrief Question(s):
3. According to the map above, which parts of
the United states from 1989 to 1991 had higher
concentrations of nitrogen in the their rain.
a.
b.
c.
South West United States
North East United States
North West United States
You percolate deep
underground in the
groundwater!
or
You rain into the ocean!
How did you arrive?
Where are you at?
Where are you going?
You percolate deep
underground in the
groundwater!
or
You dissolve
and wash into
the
groundwater!
or
The groundwater you are
dissolved within travels
and you become part of
the surface water!
Ground
Water
Debrief Question(s):
Look out! Water is
on the move! You
have washed into
the groundwater!
4. Aquifers are like underground likes that store
water. Texas has many aquifers, which we draw
from for our drinking water. Which major aquifer
does Austin sit above? (see large map on
back)
or
or
The groundwater you are
dissolved within travels
and you become part of
the ocean!
Where are you at?
How did you arrive?
Where are you going?
or
You dissolve and wash
into the surface water!
A farm supply company
has picked you up and
made you into fertilizer!
or
Fertilizers
You become part of the
soil!
Debrief Question(s):
5. If nitrogen is present in the waste of
animals, like cows and humans, then which
statement below must be true?
a.
b.
c.
Animals must consume organisms that
contain nitrogen.
Animals must breathe in and absorb
nitrogen gas into their bodies.
Animals must transform other elements
in their bodies into nitrogen.
or
You are just the sort of
nitrogen that plants need
to live. You are now
within a live plant!
How did you arrive?
Where are you at?
Bean plants
extract you
from the air
and bring you
to the soil!
You
become
part of the
soil!
Where are you going?
You dissolve and wash
into the groundwater!
Blue green algae
and bacteria
convert you into a
solid bringing you
to the soil!
You dissolve and wash
into the surface water!
Lightning
strikes!
Nitrogen gas is
make into a
solid and travels
to the soil!
You are
decomposed and
become part of
the soil!
You fall on the land
and become part of
the soil!
Soil
(Dirt)
Debrief Question(s):
6. Ammonium, NH4, is a nitrogen
compound found in animal waste and
in soil. Ammonium, NH4, is an
organic compound: True or False.
or
You are just the sort of
nitrogen that plants need
to live. You are now
within a live plant!
or
Bacteria have
transformed you into
nitrogen gas and you are
now part of the
Where are you at?
How did you arrive?
You travel through the
rivers and streams to the
ocean!
Where are you going?
Texas
Look out! Water is on
the move! You have
washed into the
groundwater!
You rain into
the ocean!
Gulf of Mexico
Ocean
Debrief Question(s):
You are
decomposed and
become
dissolved in the
ocean!
7.A lot of nitrogen compounds enter the
Gulf of Mexico (show in red on the map
above) and settle near the coast. What is
the most likely source of the excess (or
extra) nitrogen.
a.
The groundwater you
are dissolved within
travels and you become
part of the ocean!
b.
c.
Organisms that live in the Gulf of
Mexico produce more waste
Nitrogen fertilizers from farms runoff
into rivers that dump into the Gulf of
Mexico.
Hurricanes push nitrogen up to the
coast where it collects.
or
You are just the sort of
nitrogen that plants need
to live. You are now
within a live plant!
or
or
Bacteria have
transformed you into
nitrogen gas and you are
now part of the
atmosphere!
Where are you at?
How did you arrive?
Congratulations! The
animal that you were
within has excreted and
you are in its waste. Go
to animal waste!
Where are you going?
or
Look out before
someone steps in you!
Now you are
decomposing in the soil!
or
Animal
Waste
A farm supply company
has picked you up and
made you into fertilizer!
Debrief Question(s):
8. Many farmers use animal waste as
fertilizer for their crops. Why would farmers
use animal waste to help their crops grow?
a.
b.
c.
The smell of waste keeps away
organisms that might eat the crops
Plants need nitrogen to grow, and
animal waste contains nitrogen
Animal waste has lots of sugars in it
that the plants can use for energy
or
What’s that in the water?
You have dissolved into
surface water!
Where are you at?
How did you arrive?
The plant that you are
within has died. Go to
dead plants and
animals.
or
You are decomposed
and become part of the
soil!
Dead
Plants &
Animals
Debrief Question(s):
9. Organisms that break down and recycle
dead matter are classified as _____.
The animal that you
are within has died.
Go to dead plants and
animals.
Where are you going?
a.
b.
c.
Herbivores
Decomposers
Producers
You are decomposed
and become dissolved in
surface water!
You are decomposed
and become dissolved in
the ocean!
or
Forest Fire! The wood
you were within is burnt
and you have been
released into the
Where are you at?
How did you arrive?
Where are you going?
You are just the sort of
nitrogen that plants need
to live. You are now
within a live plant!
or
or
The plant that you are
within has died. Go to
dead plants and
animals.
Live Plants
Debrief Question(s):
10. Which plant structure allows the plant to
absorb nitrogen from the soil?
a.
b.
c.
Leaves
Stem
Roots
or
or
An animal has eaten the
plant that you are within!
Go to live animals!
Where are you at?
How did you arrive?
Where are you going?
An animal has eaten the
plant that you are within!
Go to live animals!
or
or
The animal that you are
within has died. Go to
dead plants and
animals.
Live
Animals
Debrief Question(s):
11. Animals that consume or eat only plant
matter are classified as ____.
a.
b.
c.
Herbivores
Carnivores
Omnivores
or
or
Congratulations! The
animal that you were
within has excreted and
you are in its waste. Go
to animal waste!
Dead Zones
• Dead Zones
Video
• Eutrophication Song
For Quiz Friday…
• Vocabulary is important! Study your glossary
handout.
• Study food chains, webs, and pyramids.
• Know your Water, Carbon, and Nitrogen Cycles.
• Also review: Plant behaviors/stimuli (ex: turgor
pressure, geotropism)
DO NOW
March
6th
Objective SWBAT assess knowledge about how matter cycles and changes through living
systems.
Prompt
How is Nitrogen released back into the
environment from living things?
Reminders:
--HW Due today
--Voice level at 0 during Do Now
--Be on best behavior for substitute
This week’s HW:
Cycles Overview – Due TODAY
ESSENTIAL QUESTION:
How does matter cycle and change
through living systems?
OBJECTIVES:
-Take a test on how Energy Flows and
Matter Cycles through an ecosystem.
Quiz
• Voice Level 0
• Read silently when finished
Grade Quiz
• Trade papers with shoulder partner
• Pencils put away
• 10 points each
Composting 101
• Composting 101
Composting Survey
• Take a survey of your classmates about
composting.
• Think of 2 questions to ask your classmates.
• Collect data on their responses.
• Choose the best way to graph your data: pie,
bar, or line?