Posted by: mrborden | October 25, 2014

Week 11 Photosynthesis and Biome Project


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Oct 26
QFD: •Black cats were once believed to be witch’s familiars who protected their powers.
Essential Question of the day: Draw a picture and label the major component of phoosynthesis
Todays learning objective: HS-LS1-7.Use a model to illustrate that cellular respiration is a chemical process whereby the bonds of food molecules and oxygen molecules are broken and the bonds in new compounds are formed resulting in a net transfer of energy by creating biodome that represents their understanding of this concept which can be used to demonstrate an understanding of HS-LS1-5.
Use a model to illustrate how photosynthesis transforms light energy into stored chemical energy

photosynthesis
chloroplast.1
chloroplast
Home work: Definitions and then use them in sentences correctly
AUTOTROPH
HETEROTROPH
ADENOSINE TRIPHOSPHATE (ATP)
PHOTOSYNTHESIS
PIGMENT
CHLOROPHYLL
THYLAKOID
PHOTOSYSTEM
STROMA
GRANUM
NADP+
LIGHT-DEPENDENT REACTION
ATP SYNTHASE
CALVIN CYCLE
BIOME PROJECT 250 points
• groups or individual 1-3, you will make an enclosed biome that will survive on its own for up to three weeks! Minimum number of bottles is 2
•At the end of the three weeks, you will be able to explain why!
•Grade counts as lab grade
•At least two plastic bottles
•at least 1 plant
•at least 1 living organism (insect or invertebrate preferably)
◦If you have a more creative idea, I am willing to hear it
•The animal and the plant must have all the things that they need to survive, such as water and something to stand on (like soil)
•The biome must be completely sealed off from the outside environment, meaning no air can get in and no air can get out!
•Plan out your proposal (Monday you will write your formal proposal):
◦Design an enclosed bottle biome to house your chosen plant and animal.
◾Design must be drawn in great detail on a sheet of paper with everything labeled clearly.
◾Bonus points to groups who get creative with their designs!
◦On a separate sheet of paper, you must describe who is responsible for bringing what components for the biome! Your group must supply everything. Mr. Borden will only have a bit of tape and some potting soil that day.
◦You must also do research on the type of plants and animals that you want to use and figure out where are you going to get them from!
◦How do you know your biome will be completely enclosed?
Organisms need energy to survive. Some organisms are capable of absorbing energy from sunlight and using it to produce sugar and other organic compounds such as lipids and proteins. The sugars are then used to provide energy for the organism. This process, called photosynthesis, is used by plants and some protists, bacteria, and blue-green algae.

Photosynthesis Equation

In photosynthesis, solar energy is converted to chemical energy. The chemical energy is stored in the form of glucose (sugar). Carbon dioxide, water, and sunlight are used to produce glucose, oxygen, and water. The chemical equation for this process is:

6CO2 + 12H2O + light → C6H12O6 + 6O2 + 6H2O

6 molecules of carbon dioxide (6CO2) and 12 molecules of water (12H2O) are consumed in the process, while glucose (C6H12O6), six molecules of oxygen (6O2), and six molecules of water (6H2O) are produced.

This equation may be simplified as: 6CO2 + 6H2O + light → C6H12O6 + 6O2.

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Oxygen Plant
Plant Cell Energy
What Is a Process Diagram
What Is Glucose
Chlorophyll
Photosynthesis in Plants

In plants, photosynthesis occurs mainly within the leaves. Since photosynthesis requires carbon dioxide, water, and sunlight, all of these substances must be obtained by or transported to the leaves. Carbon dioxide is obtained through tiny pores in plant leaves called stomata. Oxygen is also released through the stomata. Water is obtained by the plant through the roots and delivered to the leaves through vascular plant tissue systems . Sunlight is absorbed by chlorophyll, a green pigment located in plant cell structures called chloroplasts . Chloroplasts are the sites of photosynthesis. Chloroplasts contain several structures, each having specific functions:

Outer and inner membranes: protective coverings that keep chloroplast structures enclosed.

Stroma: dense fluid within the chloroplast. Site of conversion of carbon dioxide to sugar.

Thylakoid: flattened sac-like membrane structures. Site of conversion of light energy to chemical energy.

Grana: dense layered stacks of thylakoid sacs. Sites of conversion of light energy to chemical energy.

Chlorophyll: a green pigment within the chloroplast. Absorbs light energy.
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Stages of Photosynthesis

Photosynthesis occurs in two stages. These stages are called the light reactions and the dark reactions. The light reactions take place in the presence of light. The dark reactions do not require direct light, however dark reactions in most plants occur during the day.

Light reactions occur mostly in the thylakoid stacks of the grana. Here, sunlight is converted to chemical energy in the form of ATP (free energy containing molecule) and NADPH (high energy electron carrying molecule). Chlorophyll absorbs light energy and starts a chain of steps that result in the production of ATP, NADPH, and oxygen (through the splitting of water). Oxygen is released through the stomata. Both ATP and NADPH are used in the dark reactions to produce sugar.

Dark reactions occur in the stroma. Carbon dioxide is converted to sugar using ATP and NADPH. This process is known as carbon fixation or the Calvin cycle . The Calvin cycle has three main stages: carbon fixation, reduction, and regeneration. In carbon fixation, carbon dioxide is combined with a 5-carbon sugar [ribulose1,5-biphosphate (RuBP)] creating a 6-carbon sugar. In the reduction stage, ATP and NADPH produced in the light reaction stage are used to convert the 6-carbon sugar into two molecules of a 3-carbon carbohydrate , glyceraldehyde 3-phosphate. Glyceraldehyde 3-phosphate is used to make glucose and fructose. These two molecules (glucose and fructose) combine to make sucrose or sugar. In the regeneration stage, some molecules of glyceraldehyde 3-phosphate are combined with ATP and are converted back into the 5-carbon sugar RuBP. With the cycle complete, RuBP is available to be combined with carbon dioxide to begin the cycle over again.
Photosynthesis Summary

In summary, photosynthesis is a process in which light energy is converted to chemical energy and used to produce organic compounds. In plants, photosynthesis typically occurs within the chloroplasts located in plant leaves. Photosynthesis consists of two stages, the light reactions and the dark reactions. The light reactions convert light into energy (ATP and NADHP) and the dark reactions use the energy and carbon dioxide to produce sugar. For a review of photosynthesis, take the Photosynthesis Quiz .

Oct 27
QFD: •Jack o’ Lanterns originated in Ireland where people placed candles in hollowed-out turnips to keep away spirits and ghosts on the Samhain holiday
Essential Question of the day: Rank in order from most to least important organelles in a plant cell (3)
Todays learning objective: HS-LS1-7.Use a model to illustrate that cellular respiration is a chemical process whereby the bonds of food molecules and oxygen molecules are broken and the bonds in new compounds are formed resulting in a net transfer of energy by creating biodome that represents their understanding of this concept which can be used to demonstrate an understanding of HS-LS1-5.
Use a model to illustrate how photosynthesis transforms light energy into stored chemical energy
1) notes
2) Photosynth-and-Resp-wkshtOct 28
QFD:•Orange and black are Halloween colors because orange is associated with the Fall harvest and black is associated with darkness and death.
Essential Question of the day: Describe the path of the candy you will eat during this weekend to the energy output required for next week
Todays learning objective:HS-LS1-7.Use a model to illustrate that cellular respiration is a chemical process whereby the bonds of food molecules and oxygen molecules are broken and the bonds in new compounds are formed resulting in a net transfer of energy by creating biodome that represents their understanding of this concept which can be used to demonstrate an understanding of HS-LS1-5.
Use a model to illustrate how photosynthesis transforms light energy into stored chemical energy
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Photosynthesis: Light reactions 1: Details on the light-dependent reactions of photosynthesis\

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Oct 29
QFD: •The ancient Celts thought that spirits and ghosts roamed the countryside on Halloween night. They began wearing masks and costumes to avoid being recognized as human.
Essential Question of the day: Describe and analyze the role of the chloroplast in the process of photosynthesis
Todays learning objective: HS-LS1-7.Use a model to illustrate that cellular respiration is a chemical process whereby the bonds of food molecules and oxygen molecules are broken and the bonds in new compounds are formed resulting in a net transfer of energy by creating biodome that represents their understanding of this concept which can be used to demonstrate an understanding of HS-LS1-5.
Use a model to illustrate how photosynthesis transforms light energy into stored chemical energy
image
Oct 30
QFD: •Halloween was brought to North America by immigrants from Europe who would celebrate the harvest around a bonfire, share ghost stories, sing, dance and tell fortunes.
Essential Question of the day: Halloween candy
Todays learning objective: HS-LS1-7.Use a model to illustrate that cellular respiration is a chemical process whereby the bonds of food molecules and oxygen molecules are broken and the bonds in new compounds are formed resulting in a net transfer of energy by creating biodome that represents their understanding of this concept which can be used to demonstrate an understanding of HS-LS1-5.
Use a model to illustrate how photosynthesis transforms light energy into stored chemical energy

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Responses

  1. hey Mr. Borden. Can I come in at lunch at do the homework? I just got home and I need to study for a test tomorrow in Spanish

    • Go to google classroom and follow directions shouldn’t take you long , before school is better


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