Photosynthesis & Cell Respiration



Photosynthesis & Cell Respiration ppt Worksheet

Objectives:

• Explain and describe the similarities and differences between chloroplasts and mitochondrion.

• Explain the function of the cellular mitochondrion and chloroplast.

• Explain and describe cellular respiration in detail.

• Explain and describe photosynthesis in detail.

• Write the general equation for respiration.

• Write the general equation for photosynthesis.

• Explain how photosynthesis and respiration can be a cycle.

Key Vocabulary:

• Mitochondrion

• Chloroplast

• Respiration

• Photosynthesis

• ATP

• Oxygen

• Carbon dioxide

• Water

Photosynthesis

_______________________ is the process where plants make their own food. During

photosynthesis plants take __________ from the sun, ____________________ from the

air, and _______________ to make glucose (sugar) and oxygen. The glucose that is made

is what the plants use for ______________.

Equation for Photosynthesis

[pic]

• Carbon dioxide, water & sunlight are called _____________________ because they are all necessary for photosynthesis to occur.

• Glucose (a sugar) and oxygen are both _________________________ because they are produced from photosynthesis.

Remember This!!!

• Carbon dioxide (CO2), water (H2O) & sunlight are reactants for photosynthesis (they are required).

• Glucose (C6H12O2) & oxygen (O2) are products for photosynthesis

• (they are made).

The Importance of Sunlight

• Because ______________ is required for photosynthesis, sunlight is the ultimate source of energy.

• Without plants animals would not have food to consume for _____________.

• Therefore, sunlight is vital for life on earth!

Where Does Photosynthesis Occur?

• Most plants and some bacteria go through photosynthesis.

• Photosynthesis takes place in the ________________ that is found within a plant and some bacteria cells.

[pic]

Photosynthesis Review

|Question |Answer |

|What is the purpose? | |

|Who does it? | |

|Where does it occur? | |

|What are the reactants? | |

|What are the products? | |

|What is the chemical conversion? | |

Remember This!!!

• Photosynthesis captures the energy of light and converts it into glucose.

• Glucose is a source of energy that is useable by the cell.

• Photosynthesis always takes place in the chloroplasts.

Your Turn!

1. What is the purpose of photosynthesis?

2. What is the function of chloroplasts?

3. Explain why the sun is the source for all energy on Earth.

Cell Respiration

Cell _____________________ is the process where plants and animals take __________

from animals and use it to make ____________.

During cell respiration ______________________ eat plants or other animals to get

glucose. They use the glucose and oxygen to make _____(_______), water, and

oxygen. The ______ that is produced provides plants and animals with the energy needed

to survive.

Equation for Cell Respiration

[pic]

• Glucose and oxygen are called ___________________ because they both are necessary for cell respiration to occur.

• Carbon dioxide, water and ATP are all _______________________ because they are produced from cell respiration.

Remember This!!!

• Glucose (C6H12O2) & oxygen (O2) are reactants for cell respiration

(they are required).

• Carbon dioxide (CO2), water (H2O) & ATP are products for cell respiration

(they are made).

Where Does Cell Respiration Occur?

• ______________ and animals go through cell respiration.

• Cell respiration takes place in the _________________________ found within a plant and animal cell.

Cell Respiration Review

|Question |Answer |

|What is the purpose? | |

|Who does it? | |

|Where does it occur? | |

|What are the reactants? | |

|What are the products? | |

|What is the chemical conversion? | |

Remember This!!!

• Respiration releases the stored energy in glucose as ATP. ATP can then be used in the cell.

• Respiration always takes place in the mitochondria.

• All cells have mitochondria.

Your Turn!

4. What is the purpose of respiration?

5. What is the function of mitochondria?

6. What is the equation for cell respiration?

Photosynthesis & Cell Respiration as a Cycle

• Photosynthesis and respiration are a _________.

• Photosynthesis and respiration need each other in order to have the necessary materials to start their _________________.

• The products of photosynthesis, ______________ and ______________, are required for cell respiration. That means, plants make the glucose and oxygen necessary for animals and plants.

• Animals and plants then take the ___________ and ___________ and go through cell respiration. Here the carbon dioxide and water that is necessary for photosynthesis is produced.

[pic]

Your Turn!

7. Explain how photosynthesis and cell respiration are a cycle.

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