January 18, 2014
Science Monday
1/13/14
How do multicellular organisms meet
their needs and affect our world?
Today's Focus: Can the type of light
shining on a plant affect its
photosynthesis?
Light/Photosynthesis Virtual Lab
Debrief
Assignment:
Finish Final Reflection
"Hmm, maybe it wasn't the best idea for
Genie to use the sunscreen...."
January 18, 2014
The experiment website stated the following:
Sunlight is the natural energy source for
photosynthesis. White light from the sun is a
mixture of colors of the light spectrum: red,
orange, yellow, green, blue and violet. Light
can be either absorbed or reflected by
substances called pigments. Most plants are
green because the pigment chlorophyll
reflects green and yellow light and absorbs
the other colors of the spectrum.
How does this information directly relate to the experiment?
January 18, 2014
If you were asked to graph the data
from Friday's experiment, how might
you do it?
Sketch (exact measures NOT
necessary) a rough draft of your
graph with labeled axises is fine.
Plant growth (cm)
January 18, 2014
red
orange
yellow
green
blue
indigo violet
Color of light (filter used)
lettuce -
radish -
spinach -
January 18, 2014
In science we don't usually use bar
graphs to express data. Thinking
about your data, can you explain
why a bar graph might not be the
best choice?
Plant growth (cm)
January 18, 2014
Color of light (filter used)
January 18, 2014
The last question on the worksheet asked you if you would
make any changes to your Graphing Worksheet. Share your
ideas with your group.
January 18, 2014
Science Tuesday
1/14/14
Warm-up
How do multicellular organisms
meet their needs and affect our
world?
Today's Focus: How is the process of
photosynthesis affected by different
light?
Exit Ticket
Preview tomorrow's lesson - sub
Assignment:
Catching Some Rays Read/Annotate/Answer
Test next Tuesday
January 18, 2014
I have a potted plant that currently
grows outside. Considering what you
have learned, can I increase/
decrease the growth of my plant in
any way by altering the light source?
Be sure to defend your idea with
evidence.
Increase?
Decrease?
January 18, 2014
Your Final Thought...
Make 1 important statement about PLANTS,
LIGHT AND PHOTOSYNTHESIS that
accurately captures the information you
learned.
January 18, 2014
Science Wednesday
1/15/14
How do multicellular organisms
meet their needs and affect our
world?
Today's Focus: How is the process of
cellular respiration similar to/different
than the process of photosynthesis?
Cellular Respiration Article / Book
Comparison Charts
Assignment:
Chapter Review Assignment
Due: Friday
SUB - writing conference
January 18, 2014
What is CELLULAR RESPIRATION?
1. Read article and track your thinking.
2. Cells and Heredity Book - Lesson 2.2
Read and add thinking to your article notes
3. Get chart - fill in comparisons between
photosynthesis and cellular respiration
January 18, 2014
Science Thursday 1/16/14
How do multicellular organisms meet their needs and affect our world?
Today's Focus: How is the process of cellular respiration similar to/different
than the process of photosynthesis?
Video Clip
Pair /Share /Debrief
Assignment: Photosynthesis / Respiration WKST
and
Chapter 2 Review
January 18, 2014
Photosynthesis
Main function
Production of food. Energy Capture. Breakdown of food. Energy release.
Reactants
CO2 and H2O and light energy
Requirement of
sunlight
Respiration
Can occur only in presence of
sunlight
C6 H12 O6 and O2
Sunlight not required; cellular
respiration occurs at all times.
January 18, 2014
Photosynthesis
Respiration
Glucose is broken down into
Carbon dioxide and water combine in
water, carbon dioxide, and
Chemical reaction in words presence of sunlight to produce glucose
energy (ATP).
and oxygen.
O2 + C6 H12 O6 --> CO2 +H2O
Equation
CO2 + H2O + light --> C6 H12 O6 + O2 + ATP (energy)
CO2 (carbon dioxide gas) and
H2O (water) and energy (ATP)
Products
C6 H12 O6 (glucose) + O2 (oxygen gas)
January 18, 2014
Photosynthesis
Energy required or
released?
What is the source of the
energy involved?
Happens to oxygen and
carbon dioxide?
Respiration
Requires energy
Releases energy in a step wise
manner as ATP molecules
From sunlight.
From breaking the bonds holding the
glucose together.
Carbon dioxide is absorbed and
oxygen is released.
Oxygen is absorbed and carbon
dioxide is released.
January 18, 2014
Photosynthesis
Occurs in which
organelle?
Occurs in which
organisms?
Chloroplasts
Occurs in plants, protista (algae), and
some bacteria.
Respiration
Mitochondria
Occurs in all living organisms
(plants included).
January 18, 2014
Science Friday 1/17/14
Warm-up
How do multicellular
organisms meet their needs
and affect our world?
Today's Focus: Compare and
contrast the processes of aerobic
respiration and anaerobic
respiration.
Article / Graphic Organizer
Assignment:
Test Tuesday
January 18, 2014
Focus on the matter AND energy in the process.
January 18, 2014
Aerobic Respiration
VS
Anaerobic Respiration
How are they the same? How are they different?
What reactants go into the process?
What products are produced during the process?
Read and annotate to find these answers.
January 18, 2014
Aerobic Respiration
Anaerobic Respiration
January 18, 2014
What is aerobic running?
Aerobic running or respiration occurs when your body has sufficient oxygen. This
would be long slow runs when you could hold a conversation the whole time. When
you are running aerobically, your muscles have enough oxygen to produce all the
energy they need to perform.
What is anaerobic running?
Anaerobic respiration happens when there is NOT sufficient oxygen present. In this
instance, the muscles do not have enough oxygen to create the energy you are
demanding from them. This may occur when you perform a sprint finish at the end,
or you try to run at a pace that is beyond your capability. When this happens the
muscles begin to break down sugar, but instead of producing CO2 and water, it
produces lactic acid. Unfortunately, lactic acid is harder to clear than water and CO2.
Thus, lactic acid accumulates in your system, causing extreme fatigue.