Photosynthesis by Chloroplasts

(This Post Contains 2 Comics)
Photosynthesis is a process that makes glucose and oxygen from carbon dioxide and water.  This process is done by the organelle chloroplast, which are usually found in plant cells.  Because this process requires energy to happen, chloroplasts would gather energy from light (examples: sunlight, artificial lights, etc.) to “power” this process into happening.

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Here is a simple summary of photosynthesis:

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Next Generation Science Standards:

MS-LS1-6.  Construct a scientific explanation based on evidence for the role of photosynthesis in the cycling of matter and flow of energy into and out of organisms.

MS-LS1-7.  Develop a model to describe how food is rearranged through chemical reactions forming new molecules that support growth and/or release energy as this matter moves through an organism.

HS-LS1-2. Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.

HS-LS1-5. Use a model to illustrate how photosynthesis transforms light energy into stored chemical energy.

HS-LS1-6.  Construct and revise an explanation based on evidence for how carbon, hydrogen, and oxygen from sugar molecules may combine with other elements to form amino acids and/or other large carbon-based molecules.


HS-LS2-5.  Develop a model to illustrate the role of photosynthesis and cellular respiration in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere.

What Science Does this Comic Teach?

Unit: Cell Biology

⇒Chapter: Photosynthesis

⇒Topic: Photosynthesis makes glucose and oxygen

Additional Information


Chloroplasts are organelles containing a special pigment called chlorophyll and are responsible for making photosynthesis happen.  Chloroplasts are usually found in plant cells.

Cellular Respiration

Cellular respiration is the process that supplies the cells (as well as a large organism like a human) with the energy necessary for survival.  We eat food and breathe air for the very purpose of gathering the necessary materials to keep cellular respiration going nonstop.  The process of cellular respiration is carried out by cells’ mitochondria.


They are the “ingredients” of a chemical reaction.  In a chemical reaction, reactants are used to produce “products”, which are the end results of a reaction.


Glucose is the simplest form of sugar and contains a lot of energy–think of the phrase “sugar-rush”.  Because it is “simple”, it can be easily absorbed into an organism’s body/cells to provide the organism with energy.



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