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EASY SUPPLIES (with easy substitutions)! Students measure how the angle at which the Earth receives light changes the intensity and spread of the light.
In this activity, students will:
- PERFORM THE LAB: Students aim a flashlight (or a cell phone light – see note below) at graph paper at various angles and measure the area that the light spreads. Clear and easy-to-follow instructions are included, as well as a data table to record results.
- GRAPH area of light versus angle of light to see that the larger the angle, the larger the area that the light spreads over and the less concentrated it is.
- ANSWER follow-up analysis questions, including a CER.
Easy Materials List:
- Flashlight (We include instructions on how to rig a cellphone flashlight to work, as well.)
- Toilet paper or paper towel tube (Not necessary if using the cell phone set-up.)
- Tape
- Ruler
- Graph paper (printable graph paper included with purchase)
- Protractor (printable protractor included with purchase)
- Also Required But Can Be Substituted: box, clipboard, colored pencils
NGSS Standards: MS ESS1-1
NGSS Science & Engineering Practices: Developing and using models
NGSS Science & Engineering Practice: Planning and carrying out investigations
NGSS Science & Engineering Practice: Analyzing and interpreting data
NGSS Science & Engineering Practice: Engaging in argument from evidence
Teacher Notes:
- INCLUDES AN ANSWER KEY.
- Please note that this resource is not editable.
- Check out more resources in the seasons section of our shop!
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