The Leaf Food Factory (Photosynthesis)
Answer Key: The Leaf Food Factory (Photosynthesis)
We encourage you to experiment or do research to find the answers to these questions on your own before looking at our answers!
Pre-lesson Discussion Questions
Do you eat plants?
Almost everyone eats some plants. Plants include fruits, vegetables, and also grains like rice and pasta. Even Cheetos are made of plants (specifically corn).
Are plants living things?
Yes, plants are living things. They move (through growth), respire, sense their environment, grow, reproduce, excrete, and nourish themselves.
What do plants eat?
The purpose of this question at the beginning of the lesson is to hear your guesses! The answer will be revealed in The Leaf Food Factory.
Ins and Outs of Photosynthesis
Photosynthesis Flow Chart
What color are most leaves? Are all leaves that color?
Example: Most leaves are green, but we’ve seen yellow, red, orange, and brown leaves (especially during fall or when a plant is dying).
What color do you think chlorophyll is?
Example: Since most leaves are green, you might think that chlorophyll is green. We are going to extract chlorophyll from leaves in this experiment and see.
Did you observe any changes after 1 day?
The rubbing alcohol should have turned bright green.
What color is chlorophyll?
Chlorophyll is green. That is why many leaves are green, and also why the rubbing alcohol in this experiment turned bright green.
What do you think a leaf needs in order to make chlorophyll?
Leaves need sunlight in order to make chlorophyll. It is a pigment that they make during photosynthesis. That is why some trees lose their green color in the fall before dropping them in the winter. There is not enough sunlight for them to do photosynthesis or make chlorophyll.