Learning Exercise
Glowing Tomato
An introduction to the composition of light. The following is meant as an introduction to a unit on light and color.
- Material:
- How to Make a Tomato Glow
- Date last modified:
- December 12, 2007
- Created by:
- Maria Alejandra Lucero
- License:
-
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Instructions and a video showing you how to make a tomato glow. A great way to capture your class's attention! see more
Exercise
-Begin class discussion on students' understanding of light. Write student ideas on the board in a brainstorming session.
-What is light made of?
-How does light travel?
-What makes light?
-Where does light come from?
-At this point, most students will begin to name lamps, electricity, and batteries as sources of light. When they do, introduce the glowing tomato.
-If light comes from electricity/batteries/etc., where is the light coming from here?
-Begin powerpoint presentation on light, including what it is composed of, how fast it travels, and the electromagnetic spectrum.
-Give students structured note sheet so that they may follow along with the lecture and fill in empty spaces with appropriate information.
-What is light made of?
-How does light travel?
-What makes light?
-Where does light come from?
-At this point, most students will begin to name lamps, electricity, and batteries as sources of light. When they do, introduce the glowing tomato.
-If light comes from electricity/batteries/etc., where is the light coming from here?
-Begin powerpoint presentation on light, including what it is composed of, how fast it travels, and the electromagnetic spectrum.
-Give students structured note sheet so that they may follow along with the lecture and fill in empty spaces with appropriate information.