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Material:
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How to Make a Tomato Glow
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| Submitted by: |
Maria Alejandra Lucero on Dec 12, 2007 |
| Date Last Modified: |
Dec 12, 2007 |
| Title: |
Glowing Tomato |
| Description: |
An introduction to the composition of light. The following is meant as an introduction to a unit on light and color. |
| Type of Task: |
Group
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| Time Required |
40 minutes |
| Topics: |
Light |
| Audience: |
Middle School
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| Categories: |
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| Learning Objectives: |
Students will understand the composition of light and where it comes from. |
| Technical Notes: |
Prepare glowing tomato (following instructions on website) before class. |
| Text of Learning 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. |
| Assessment: |
Assessment can be made by asking students to answer the question "What is light?" as a quiz. |
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