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Name___________________
Date___________Hour_____
Photosynthesis and Plants
Overview of Photosynthesis
The process of ____________________ takes place in the chloroplasts of plant cells. During
photosynthesis, green plants convert ______________from the sun into ______________ as ATP.
The chemical energy in ATP can be used directly for cellular activities or be stored in ___________.
In the chloroplast _________________ is combined with _____ ____to produce glucose and gives off
______ ____as a waste product. Below is the overall equation for photosynthesis.
6 CO2 + 6 H2O + Light Energy → C6H12O6 + 6 O2
Where do the reactants come from in this reaction?
Where do humans and other animals get their glucose?
Structures Involved in Photosynthesis
 Chloroplast
In the chloroplast the pigment chlorophyll absorb the light energy. Chlorophyll is the chemical
compound that gives leaves their ______________. Inside the chloroplast is a thick fluid
called _____________. Suspended in the stroma are many disk-shaped sacs called
_________________.
Identify on the chloroplast where each of the stages of photosynthesis occur.

Stomata
Tiny pores called _____________________ are found on the surface of the leaf.
_________________ enters the leaf and ______________ exits the leaf through the stomata.
What else besides oxygen could escape from the stomata?
Photosynthesis occurs in two main stages
1. Light Cycle – Light Dependent Reactions
Describe what happens to water during the Light Cycle?
What are the three products at the end of the Light Cycle? What happens to each of the three
products?
2. Calvin Cycle – Light Independent Reactions
Where do the reactants in the
Calvin Cycle come from?
What are the products of
photosynthesis? What happens to these
products?