Leaves and Leaf Processes, Photosynthesis Biology Lesson PowerPoint

• Review!
– A leaf is a plant organ, that is
photosynthetic, contains chloroplasts, and is
usually thin so light can penetrate.
Copyright © 2010 Ryan P. Murphy

http://sciencepowerpoint.com/Website Link:

 New Area of Focus: Leaves and Processes

 A leaf is
• Record the following notes in paragraph form.

a plant organ,

that’s photosynthetic,

contains chloroplasts,

is usually thin

so light can penetrate.

 The big three aspects of light and plants.
 Quality (how good)
 Quantity (how much)
 Duration (how long)

• Quality of light: Visible Light
– Incandescent bulbs may overheat and damage
tissue.
– Florescent bulbs can work well but aren’t as
strong.

• Quantity
– Artificial light sources should be 2-6 inches from
plant.

• Duration
– Amount of light can determine growth.
– Winter vs. Summer.
– Can determine flowering.

• The energy flow of life occurs because of
plants. Plants harness the energy from the
sun, and pass it on to all other life forms.

• If a product is made of the following, it is
made from plants, or old decomposed
plants (oil).
– Any wood.
– Any fiber / other than metals.
– Plastics (most are oil based).
– Chemicals (most are from plants and oils).
– All food.

• Which of the following equations is the
correct equation for photosynthesis?
• A) 6O2 + 6H2O + light energy = C12H6O6 + 6O2
• B) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• C) 6CO2 + 6O2 + light energy = C6H12O6 + 6H2O
• D) 6CO2 + 6H2O + light energy = C6H12O6 + 6O2
• E) 6CO2 + H2O + light energy = C6H12O6 + 6O2
• F) 6CO2 + 6H2O + light energy = C6H2O6 + 6O2
• G) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• H) 6CO2 + 6H2O + light energy = C6H12O3 + 6O2
• I) 6CO2 + 6H2O + light energy = C6H12O6 + 6CO2
• J) C6H12O6 = 6CO2 + 6H2O + light energy + 6O2

• Answer! Which of the following equations
is the correct equation for photosynthesis?
• B) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• D) 6CO2 + 6H2O + light energy = C6H12O6 + 6O2
• G) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• I) 6CO2 + 6H2O + light energy = C6H12O6 + 6CO2

 Photosynthesis: Plants make sugar from
sunlight.
 Light energy is turned into chemical energy
(sugars are carbon based).

 Equation for Photosynthesis
 6CO2 + 6H2O + Energy  C6H12O6 + 6O2

 6CO2 + 6H2O + Energy  C6H12O6 + 6O2
•Carbon
•Dioxide

 6CO2 + 6H2O + Energy  C6H12O6 + 6O2
•Wate
r
•Carbon
•Dioxide

 6CO2 + 6H2O + Energy  C6H12O6 + 6O2
•Water•Carbon
•Dioxide

 6CO2 + 6H2O + Energy  C6H12O6 + 6O2
• Sunlight•Water•Carbon
•Dioxide

 6CO2 + 6H2O + Energy  C6H12O6 + 6O2
• Sunlight •Sugar•Water•Carbon
•Dioxide

 6CO2 + 6H2O + Energy  C6H12O6 + 6O2
• Sunlight •Sugar •Oxygen•Water•Carbon
•Dioxide

• Photosynthesis is the process by which light
energy is utilized to convert carbon dioxide
and water into food to be used by plants.
– Oxygen is released into the air during the
process. (O2)
– Light or solar energy is captured by chlorophyll
(CHLOR-oh-phil), the green pigment in leaves.
– It is then converted into chemical energy which is
stored as starch or sugar.
– These starches and sugars are stored in roots,
stems and fruits. They are available to the plant
as food or fuel.

• Photosynthesis is the process by which light
energy is utilized to convert carbon dioxide
and water into food to be used by plants.
– Oxygen is released into the air during the
process. (O2)
– Light or solar energy is captured by chlorophyll
(CHLOR-oh-phil), the green pigment in leaves.
– It is then converted into chemical energy which
is stored as starch or sugar.
– These starches and sugars are stored in roots,
stems and fruits. They are available to the plant
as food or fuel.

• Which of the following statements is false
of photosynthesis?
A.) Photosynthesis requires sunlight, carbon
dioxide, and water.
B.) Oxygen and glucose are produced in
photosynthesis.
C.) Carbon Dioxide and water are produced.
D.) In photosynthesis, plants use radiant energy
from the sun to create chemical energy in the
form of sugars.
E.) None of the above.

of photosynthesis?
dioxide, and water.
photosynthesis.
D.) In photosynthesis, plants use radiant
energy from the sun to create chemical
energy in the form of sugars.

of photosynthesis? and the answer is…
dioxide, and water.
photosynthesis.
form of sugars.

of photosynthesis? And the answer is…
dioxide, and water.
photosynthesis.
C.) Oxygen and glucose are produced.
form of sugars.

• Which of the following equations is true of
photosynthesis? Pick the correct color.
– 6O2 + C6H12O6 Energy  6CO2 + 6H2O
– C6H12O6 + 6O2  Energy + Chloroplasts.
– 6O2 + 6CO2 + 6O2  Energy + C6H12O6
– 6CO2 + 6H2O + Energy  C6H12O6 + 6O2
– 6O2 + 6CO2 +  Energy + C6H12O6 + 6O2
– Energy + 6H2O  Energy + 6O2 + 6CO2
– CO2 + 3H2O + Energy  C6H12O6 + O2
– 6CO2 + 6H2O  Energy + 6CO2 + 6O2
– Energy  6O2 + C6H12O6 + 6CO2

• The Answer is…
– 6O2 + C6H12O6 Energy  6CO2 + 6H2O
– 6O2 + 6CO2 + 6O2  Energy + C6H12O6
– 6CO2 + 6H2O + Energy  C6H12O6 + 6O2
– 6O2 + 6CO2 +  Energy + C6H12O6 + 6O2
– CO2 + 3H2O + Energy  C6H12O6 + O2
– 6CO2 + 6H2O  Energy + 6CO2 + 6O2
– Energy  6O2 + C6H12O6 + 6CO2

• Answer: Blue
– 6O2 + C6H12O6 Energy  6CO2 + 6H2O
– 6O2 + 6CO2 + 6O2  Energy + C6H12O6
– 6CO2 + 6H2O + Energy  C6H12O6 + 6O2
– 6O2 + 6CO2 +  Energy + C6H12O6 + 6O2
– CO2 + 3H2O + Energy  C6H12O6 + O2
– 6CO2 + 6H2O  Energy + 6CO2 + 6O2
– Energy  6O2 + C6H12O6 + 6CO2

What is the 6CO2 + 6H2O + light energy = C6H12O6 + 6O2
• Sunlight
• Carbon
• Dioxide
• Water
• Oxygen
• Sugar

• Activity! Use the white boards to memorize the equation
for photosynthesis. Keep writing and erasing until you
can do it repeatedly.
• 6CO2 + 6H2O + light energy = C6H12O6 + 6O2
• Sunlight
• Carbon
• Dioxide
• Water
• Oxygen
• Glucose

•“Oh-No!”
•“Some people didn’t
get to share their
knowledge.”

• Sunlight
• 6 Carbon
• Dioxide
• 6 Water
• 6 Oxygen
• Sugar
• C6H12O6

•“Oh-No!”
•“We are doing it
again differently.”

• Video Photosynthesis Song.
– http://www.youtube.com/watch?v=C1_uez5WX1o

• Which of the following equations is the
correct equation for photosynthesis?
• B) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• D) 6CO2 + 6H2O + light energy = C6H12O6 + 6H2O
• G) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• I) 6CO2 + 6H2O + light energy = C6H12O6 + 6O2

• Answer! Which of the following equations
is the correct equation for photosynthesis?
• B) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• G) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2

• Try Again! Which of the following
equations is the correct equation for
photosynthesis?
• B) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• C) 6CO2 + 6CO2 + light energy = C6H12O6 + 6H2O
• D) 6CO2 + 6H2 + light energy = C6H12O6 + 6H2O
• E) 6CO2 + 6H2O + light energy = C6H12O6 + 6O2
• G) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• H) 6CO2 + 6H2O + light energy = C6H12O6 + 6CO2
• I) 6CO2 + H2O + light energy = C6H12O6 + 6O2

• Almost finished! One more try. Find the Photosynthesis
equation.
• B) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• E) 6O2 + 6H2O + light energy = C12H6O6 + 6O2
• G) 6CO2 + 6H2 + light energy = C6H12O6 + 6O2
• J) 6CO2 + 6H2O + light energy = CH12O6 + 6CO2
• K) CO2 + 6H2O2 + light energy = CH12O6 + 6O2
• L) 6CO2 + 6H2O + no energy = C6H12O6 + 6O2
• M) 6O2 + 6H2O + light energy = C12H6O6 + 6O2
• N) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• O) 6CO2 + 6O2 + light energy = C6H12O6 + 6H2O
• P) 6CO2 + 12H2O + light energy = C6H12O6 + 6H2O
• Q) 6O2 + 6H2O + light energy = C12H6O6 + 6O2
• R) 6CO2 + 6H2O + light energy = C6H2O6 + 6O2
• S) 6CO2 + 6H2O + light energy = C6H12O6 + 6O2
• T) 6CO2 + 6H2O + light energy = C6H12O6 + 6O6
• U) 6CO2 + 6H6O + light energy = C6H12O6 + 6O2
• V) 6CO2 + 6H2O + light energy = CH12O6 + 6CO2
• W) CO2 + 6H2O2 + light energy = CH12O6 + 6O2
• X) 6CO2 + 6H2O + no energy = C6H12O6 + 6O2
• Y) 6CO2 + 6H2 + light energy = C6H12O6 + 6O2
• Z) 6CO2 + 6H2O + light energy = C6H12O6 + 6O6

• Answer! Almost finished! One more try. Find the
Photosynthesis equation.
• B) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• E) 6O2 + 6H2O + light energy = C12H6O6 + 6O2
• G) 6CO2 + 6H2 + light energy = C6H12O6 + 6O2
• J) 6CO2 + 6H2O + light energy = CH12O6 + 6CO2
• K) CO2 + 6H2O2 + light energy = CH12O6 + 6O2
• L) 6CO2 + 6H2O + no energy = C6H12O6 + 6O2
• M) 6O2 + 6H2O + light energy = C12H6O6 + 6O2
• N) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2
• O) 6CO2 + 6O2 + light energy = C6H12O6 + 6H2O
• P) 6CO2 + 12H2O + light energy = C6H12O6 + 6H2O
• Q) 6O2 + 6H2O + light energy = C12H6O6 + 6O2
• R) 6CO2 + 6H2O + light energy = C6H2O6 + 6O2
• S) 6CO2 + 6H2O + light energy = C6H12O6 + 6O2
• T) 6CO2 + 6H2O + light energy = C6H12O6 + 6O6
• U) 6CO2 + 6H6O + light energy = C6H12O6 + 6O2
• V) 6CO2 + 6H2O + light energy = CH12O6 + 6CO2
• W) CO2 + 6H2O2 + light energy = CH12O6 + 6O2
• X) 6CO2 + 6H2O + no energy = C6H12O6 + 6O2
• Y) 6CO2 + 6H2 + light energy = C6H12O6 + 6O2
• Z) 6CO2 + 6H2O + light energy = C6H12O6 + 6O6

 Photosynthesis
 -
 -
 -
 -
 -
 -

 Carbon dioxide is used.

 Water is used.

 Occurs in light

 Occurs only in cells with chloroplasts.

 Produces sugar from light.

 Oxygen is released.

 Oxygen is released.
Learn more about photosynthesis at…
http://biology.about.com/od/plantbiology/a/aa050605a.htm easier
at...
http://www.biology4kids.com/files/plants_photosynthesis.html

• Plants can get their energy from the sun
by just sitting there, we have to go search
for it, hunt, etc. We didn’t we evolve to be
green and get our energy from the sun.
– Why aren’t we green?

• Answer!

• Answer! Because photosynthesis only
produces a small amount of energy.

– We need lots of sugar to run, jump, and live our
very busy and active lives.

– We need lots of sugar to run, jump, and live our
very busy and active lives.
•Plants are
less active.

• Respiration – The plant burns the sugar to
make energy.
•Chloroplasts•Mitochondria

• Respiration – The plant burns the sugar to
make energy.
•Chloroplasts•Mitochondria
•Inside the
leaf

• Remember: Producers create the sugars,
then consumers use these sugars.

– Plants harness the energy from the sun so we
can live.

can live. “Thank you tree.”
“Thank you for
doing
photosynthesis.”

can live. “I love your sugars
that you produce
from
photosynthesis.”

• Which of the following colors is the correct color
for the respiration equation. It is the opposite of
photosynthesis.
• 6 CO2  6H2O + energy  6 CO2  6H2O
• 6 CO2 + C6H12O6 + 6O2  6H2O + energy
• C6H12O6 + 6O2  6 CO2 + 6H2O + energy
• 6 CO2 + 6H2O C6H12O6 + 6O2  6O2 + 6H2O
• Glucose is created using respiration + Carbon Dioxide.
• C6H12O6 + 6CO2  6O2 + 6H2O + energy
• 6CO2 + 6O2  6H2O + energy
• 6 CO2  6H2O + energy  6CO2  6H2O + C6H12O6
• 6CO2 + 6O2  6H2O + energy  More energy + 6H2O

• Answer:
• 6 CO2  6H2O + energy  6 CO2  6H2O
• 6 CO2 + C6H12O6 + 6O2  6H2O + energy
• C6H12O6 + 6O2  6 CO2 + 6H2O + energy
• 6 CO2 + 6H2O C6H12O6 + 6O2  6O2 + 6H2O
• C6H12O6 + 6CO2  6O2 + 6H2O + energy
• 6CO2 + 6O2  6H2O + energy

• Answer: Lime Green
• 6 CO2  6H2O + energy  6 CO2  6H2O
• 6 CO2 + C6H12O6 + 6O2  6H2O + energy
• C6H12O6 + 6O2  6 CO2 + 6H2O + energy
• 6 CO2 + 6H2O C6H12O6 + 6O2  6O2 + 6H2O
• C6H12O6 + 6CO2  6O2 + 6H2O + energy
• 6CO2 + 6O2  6H2O + energy

• Video! Photosynthesis –This video will
show the actual process of photosynthesis
on a molecular level.
– We may get just a bit but lets see the real deal.
– http://www.youtube.com/watch?v=BK_cjd6Evc
w&feature=related

 Transpiration: The evaporation of water
from plants.
 It occurs during photosynthesis.
 Helps pull water up the xylem from roots.
 Cools the leaf.

 Guard Cell and Stoma: Openings in leaf
(stoma) controlled by guard cells that allow
gases in and out of leaf.

• Note: Stomata are small pores (openings)
for gas exchange.

“You tell Monocot
Man that Stevie
Stoma doesn’t take
H2O from anyone!”

• Activity! Transpiration.
– Place a clear plastic bag over your plants and
record the next day if you notice water vapor /
droplets on the bag.

• Try and figure out what picture is beneath
the boxes.
– Raise your hand when you know. You only
get one guess.

“You tell everyone
that if they mess
with me, Stevie
Stoma, than watch
out!”

“Hey!” “Who let gas
over there?”

• You should now complete all of pages 7
and 8 in your bundle.

• “AYE” Advance Your Exploration ELA and
Literacy Opportunity Worksheet
– Visit some of the many provided links or..
– Articles can be found at (w/ membership to
NABT and NSTA)
• http://www.nabt.org/websites/institution/index.php?p=
1
• http://learningcenter.nsta.org/browse_journals.aspx?j
ournal=tst
.
Please visit at least one of the “learn
more” educational links provided in this
unit and complete this worksheet

• “AYE” Advance Your Exploration ELA and
Literacy Opportunity Worksheet
– Visit some of the many provided links or..
– Articles can be found at (w/ membership to NABT
and NSTA)
• http://www.nabt.org/websites/institution/index.php?p=1
• http://learningcenter.nsta.org/browse_journals.aspx?jo
urnal=tst

•Areas of Focus in The Plant Unit:
•Plant photo tour, Plant Evolution, Importance of
Algae, Lichens, The Three Types of Lichens, Non-Vascular
Plants, Bryophytes, Seedless Vascular Plants (Ferns), Seeds, Seed
Dormancy, Factors that Break Seed Dormancy, Germination, Parts
of a Young Plant, Monocots and Dicots, Roots and Water, Types of
Roots, Water Uptake and Photosynthesis, Plant Hormones, Types of
Plant Tissues, Xylem and Phloem, Woody Plants, Leaves, Light and
Plants, Transpiration, Guard Cells, Leaf Identification, Plant Life
Cycles, Seed Plant Life Cycles, Parts of a Flower, Matured Ovaries
(Fruits), Types of Fruit and much more.
•Full unit can be found at…
•http://sciencepowerpoint.com/Plant_Botany_Unit.html

• This PowerPoint is one small part of my Botany
Unit. This unit includes….
– A 5 part 2,700 slide PowerPoint roadmap full of built-in
hands-on activities, quizzes, projects, and much more.
– 13 page bundled homework package that chronological
follows the slideshow, modified version, answer keys, and
detailed lesson notes.
– 2 PowerPoint Review Games with answers, videos
links, rubrics, crosswords, projects, curriculum
guides, materials lists, and much more.
– http://sciencepowerpoint.com/Plant_Botany_Unit.html

• More Units Available at…
Earth Science: The Soil Science and Glaciers Unit, The Geology Topics
Unit, The Astronomy Topics Unit, The Weather and Climate Unit, and The
River and Water Quality Unit, The Water Molecule Unit.
Physical Science: The Laws of Motion and Machines Unit, The Atoms and
Periodic Table Unit, Matter, Energy, and the Environment Unit, and The
Science Skills Unit.
Life Science: The Diseases and Cells Unit, The DNA and Genetics Unit,
The Life Topics Unit, The Plant Unit, The Taxonomy and Classification
Unit, Ecology: Feeding Levels Unit, Ecology: Interactions Unit, Ecology:
Abiotic Factors, The Evolution and Natural Selection Unit and The Human
Body Systems and Health Topics Unit

• Please visit the links below to learn more
about each of the units in this curriculum
– These units take me about four years to complete
with my students in grades 5-10.
Earth Science Units Extended Tour Link and Curriculum Guide
Geology Topics Unit http://sciencepowerpoint.com/Geology_Unit.html
Astronomy Topics Unit http://sciencepowerpoint.com/Astronomy_Unit.html
Weather and Climate Unit http://sciencepowerpoint.com/Weather_Climate_Unit.html
Soil Science, Weathering, More http://sciencepowerpoint.com/Soil_and_Glaciers_Unit.html
Water Unit http://sciencepowerpoint.com/Water_Molecule_Unit.html
Rivers Unit http://sciencepowerpoint.com/River_and_Water_Quality_Unit.html
= Easier = More Difficult = Most Difficult
5th – 7th grade 6th – 8th grade 8th – 10th grade

Physical Science Units Extended Tour Link and Curriculum Guide
Science Skills Unit http://sciencepowerpoint.com/Science_Introduction_Lab_Safety_Metric_Methods.
html
Motion and Machines Unit http://sciencepowerpoint.com/Newtons_Laws_Motion_Machines_Unit.html
Matter, Energy, Envs. Unit http://sciencepowerpoint.com/Energy_Topics_Unit.html
Atoms and Periodic Table Unit http://sciencepowerpoint.com/Atoms_Periodic_Table_of_Elements_Unit.html
Life Science Units Extended Tour Link and Curriculum Guide
Human Body / Health Topics
http://sciencepowerpoint.com/Human_Body_Systems_and_Health_Topics_Unit.html
DNA and Genetics Unit http://sciencepowerpoint.com/DNA_Genetics_Unit.html
Cell Biology Unit http://sciencepowerpoint.com/Cellular_Biology_Unit.html
Infectious Diseases Unit http://sciencepowerpoint.com/Infectious_Diseases_Unit.html
Taxonomy and Classification Unit http://sciencepowerpoint.com/Taxonomy_Classification_Unit.html
Evolution / Natural Selection Unit http://sciencepowerpoint.com/Evolution_Natural_Selection_Unit.html
Botany Topics Unit http://sciencepowerpoint.com/Plant_Botany_Unit.html
Ecology Feeding Levels Unit http://sciencepowerpoint.com/Ecology_Feeding_Levels_Unit.htm
Ecology Interactions Unit http://sciencepowerpoint.com/Ecology_Interactions_Unit.html
Ecology Abiotic Factors Unit http://sciencepowerpoint.com/Ecology_Abiotic_Factors_Unit.html

• Thank you for your time and interest in this
curriculum tour. Please visit the welcome / guide on
how a unit works and link to the many unit previews
to see the PowerPoint slideshows, bundled
homework, review games, unit notes, and much
more. Thank you for your interest and please feel
free to contact me with any questions you may have.
Best wishes.
• Sincerely,
• Ryan Murphy M.Ed
• ryemurf@gmail.com

• The entire four year curriculum can be found at...
http://sciencepowerpoint.com/ Please feel free to
contact me with any questions you may have.
Thank you for your interest in this curriculum.
Sincerely,
Ryan Murphy M.Ed
www.sciencepowerpoint@gmail.com

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