Lights, Camera, Action!
Plants respond to specific light sources – and to specific wavelengths – in different ways throughout the growing process. The photosynthetic process relies heavily on the red and blue wavelengths. Green, though inefficient, still holds value in the process.
Experiment with phototropism using different light spectra. Are photoreceptors more or less activated by specific light wavelengths?
Use as many different colors of the visible spectrum as possible. Does your experiment prove that plants favor blue and red wavelengths? How do they respond to green or yellow?
This lesson, and all other lessons on this website, are intended for use by teachers in the classroom. These lessons are protected by US and International copyright laws. Reproduction or distribution of lesson content, supporting materials, or digital creative is prohibited with written permission from Modern Steader LLC.