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Student Skin Cancer Lessons Word

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Physical Chemistry: Group Theory, Quantum Chemistry, And Spectroscopy (CHEM052 HM)

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Harvey Mudd College

Academic year: 2020/2021

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Harvey Mudd College

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A Case of Skin Cancer

Part 1: Sofia’s mole

Sofia, Camilla, and Zoey were enjoying a sunny first day of summer at the beach. Camilla noticed a mole on Sofia’s shoulder. She told Sofia that she should get the mole checked by a dermatologist (a skin doctor) to be sure it wasn’t skin cancer. Sofia laughed because she was young and had dark skin. She thought that skin cancer only happened on the faces of older people with light skin who did not use sunscreen when they were in bright sun.

What do you know about skin cancer?
What additional information might help you decide whether Sofia’s mole is skin cancer?

Your lab kit contains a photo of the mole on Sofia’s shoulder and a Skin Cancer Fact Sheet. Use the ABCDE’s of Skin Cancer designed to help people recognize the characteristics of moles that might be skin cancer.

Do you think that Sofia should have her mole checked by a dermatologist?

Support your answer with at least three evidences from the ABCDE’s of Skin Cancer.



Sofia decided to have the mole removed. The dermatologist who removed the mole sent a sample of the mole to a lab for a biopsy (a lab test to determine if a tissue is cancerous). Your lab kit contains photos of a normal skin biopsy and the skin biopsy from Sofia’s mole.

Do you think Sofia has skin cancer?

If you answered “yes,” identify which kind of skin cancer she has. Support your answer with information from the skin biopsy and the Skin Cancer Fact Sheet.

What should the doctor tell Sofia about this kind of skin cancer?

center three days a week for five weeks. Each time, they hooked me up to an IV for an hour and a half. Th

the chemo killed all the cancer cells. Will I be one of the lucky ones who remains cancer free or will my

List two things Sofia could have done to help prevent melanoma?



What does a cancer reoccurrence mean?

White

Before UV Exposure

UV Light Red

After UV Exposure

Part 3: Sun Safety Research

We will simulate the design and conduct an experiment to compare the effectiveness of going into the water (for example, a swimming pool or lake, to the effectiveness of applying sunscreen.

Research Question: Does Going into the water (for example a swimming pool or lake) work as well as or better than sunscreen for protecting your skin from harmful UV light that may cause skin cancer?

You have these items in your simulated lab kit that you can use for your experiment:  15 UV color changing beads in a brown plastic bag  3 bowls for the beads, labeled “Negative Control Group,” “Positive Control Group,” and “Experimental Group”  A cotton pad for applying sunscreen to the beads  3 sheets of black paper to cover the beads in the bowls until you expose them to light  A package of sunscreen (you may pour the sunscreen onto the cotton pad and use it to wipe sunscreen onto some of the beads)  You can also use tap water for your experiment (to simulate swimming pool or lake water).

To model the effect of UV light on skin, you will simulate the use of special UV color changing beads that turn from white to pink to red when exposed to UV light.

These UV color changing beads appear white while indoors, but when you take them outside

the ultraviolet-sensitive pigment will change to pink and then to red. You can even make a color scale

from white to pink to red to measure low,

medium, and high UV light intensity.

Write a detailed, step-by-step procedure that another person could use to set up the experiment that you have planned. You may come back and revise this procedure as you work on setting up your experiment.
Write a detailed explanation of how you plan to collect data for your experiment. The data may be quantitative (involving numbers) or qualitative (involving descriptions).

Independent Variable

What I Changed

Dependent Variable

What I observed

Controlled Variables

What I kept the same

What is the Independent Variable in your experiment?
What is the Dependent Variable in your experiment?
What are two Controlled Variables in your experiment?
Let's pretend you conducted your experiment. The results of the color change (or no color change) can be found in the image below.

Beads with sunscreen

Beats in water (with no sunscreen) 13. Make a data table below to summarize the results of your experiment.

make people aware of the dangers of tanning and the importance of sun safety.

a more interesting way to get infor mation across to our friends. Zoey explained that an infographic take

Part 4: Sofia’s Story Continued - Preventing Melanoma

Your kit contains a sheet titled Skin Cancer and Sun Safety. Your assignment is to create an infographic to inform your friends of the things they should do to avoid skin cancer.
You may create your own images or you may use the provided pictures and captions to make an infographic by physically (or electronically) cutting the pictures and captions apart and matching them.
Create or select five pictures and captions you would use to make your friends aware of things that they should do to avoid skin cancer.
Send a picture of your infographic to your biology teacher.

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