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Light Absorption and Transmission

Light Absorption and Transmission
Light Absorption and Transmission
Light Absorption and Transmission
Light Absorption and Transmission
Light Absorption and Transmission
Light Absorption and Transmission
Light Absorption and Transmission
Light Absorption and Transmission
File Type

PDF

(752 KB)
Product Rating
Standards
NGSSMS-PS4-2
NGSSHS-PS4-4
  • Product Description
  • StandardsNEW

What do we really mean when we say “the object is red because it reflects red and absorbs all other colors”? Even high school students who can recite this fact have a hard time grasping the implications of that fact. The confusion lies in their lack of a concrete experience with the phenomena – it may be common knowledge that “white” light is made of of many colors and wavelengths, but until they are separated out and studied, the STEM concepts remain abstract and difficult to grasp.

Gummy Bears and lasers come together in this fascinating question, “What happens when you shine green light on a red gummy bear, or red light on a green gummy bear”? In addition to making color theory a bit more clear, this is a great exploration of the otherwise abstract concepts that describe the most basic of light-matter interactions: Absorption, transmittance and reflection of light.

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NGSSMS-PS4-2
Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials. Emphasis is on both light and mechanical waves. Examples of models could include drawings, simulations, and written descriptions. Assessment is limited to qualitative applications pertaining to light and mechanical waves.
NGSSHS-PS4-4
Evaluate the validity and reliability of claims in published materials of the effects that different frequencies of electromagnetic radiation have when absorbed by matter. Emphasis is on the idea that photons associated with different frequencies of light have different energies, and the damage to living tissue from electromagnetic radiation depends on the energy of the radiation. Examples of published materials could include trade books, magazines, web resources, videos, and other passages that may reflect bias. Assessment is limited to qualitative descriptions.
Total Pages
N/A
Answer Key
N/A
Teaching Duration
45 minutes
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