What a great introductory activity for students to link their vacation sunburn to the integumentary system! Students test the effectiveness of various sunscreens by using UV color-changing beads. Background information on UV light, UVA, UVB, melanin, and skin cancer provides for solid student comprehension. A teacher instruction page, background information, student directions, discussion questions, and an answer key are all included.
Addresses NGSS HS-LS1-2.
If you haven't introduced skin anatomy to your class yet, you might want this as part of the following bundle (includes instructional PowerPoint & Doodle Notes): Integumentary System Unit
*Please Note: This lab requires the use of UV-changing beads, which are inexpensive and available on Amazon or at many craft stores.
1. Teacher instruction page with materials list, tips, and possible student extensions
2. Background information on the effects of UV light on skin and how sunscreen works to protect different skin layers
3. Student instructions with example photographs for clarity
4. Comprehension and discussion questions to assess student understanding
5. Answer Key
*For more details and visuals of the lesson, click on the PREVIEW link above.*
UV light, electromagnetic spectrum, UVA, UVB, sunburn, melanocytes, melanin, skin cancer, epidermis, dermis, physical v. chemical sunscreen protection, SPF
*All of my products have been tried and tested in my own classroom. I would never sell something that didn't already work for me!*