Puzzle – Photosynthesis



Fill in the blanks with the correct words from the bank at the bottom of the page.


All organisms use __________ to carry out their life functions. Some organisms obtain this energy from __________. The process by which this energy transfer takes place is called _______________. Photosynthesis involves a  _________ pathway in which the __________ of one reaction is(are) consumed in the __________ reaction.  __________ are organisms that carry on photosynthesis and includes  __________ and other organisms containing the __________ pigment __________. Autotrophs use ______________ and water to make __________ and the simple sugar __________. The pigment chlorophyll absorbs __________ energy from the sun during the light __________.  __________ pigments also in the __________ absorb other __________ of light that chlorophyll does not absorb. These accessory __________ are responsible for other colors we see in plants such as _______, orange, and __________. Chloroplasts are surrounded by a __________ membrane. Inside chloroplasts is a system of membranes arranged as stacks of __________ sacs called __________. Each sac in the stack is called a __________. The thylakoids are surrounded by a solution called the _________. The _______ reactions of photosynthesis take place in the stroma. Most chloroplasts are found in the _________ of plants. The __________ of a leaf contains openings called __________ where __________ such as oxygen and carbon dioxide enter and leave. These openings or stomata are __________ during the hottest times of the day by cells called __________ cells.


      Word Bank:

sunlight  autotrophscarbon dioxide