The "Why do we need sunscreen?" Experiment

If your kids are like mine, they can’t stand it when you put sunscreen on them.  I was so excited to find this activity from Sid the Science Kid to illustrate to kids exactly why they need to wear sunscreen!

We made a few blunders on our “experiment” but hopefully you’ll learn from our mistakes!

Here’s what you’ll need:  sunscreen (not the spray kind) and a black/dark blue piece of construction paper.

1.  Fold a piece of black (or dark blue) construction paper in half.

2.  Put a VERY SMALL dab of sunscreen on one side of the paper.  This is where we messed up…we put WAY too much sunscreen on.

3.  Let your child smear the sunscreen over ONE side of the paper (again, we messed up and Big Brother got it on both sides).

4.  Put it in direct sunlight for most of the day (you’ll have to move it around a couple times to keep it in direct sunlight).

The paper after about 5 hours.  Had we not had too much sunscreen, you would be able to easily see that the sunscreen kept the paper dark while the sun faded the side with no sunscreen.

Talk to your child about how sunscreen protects our skin just like it protected the paper.  Some sunlight is good for our bodies (vitamin d, anyone), but too much is harmful.  Without sunscreen, the sun would hurt our skin.  Talk about other things that protect our skin from the sun (hats, buildings, clothing, shade, etc).

A helpful reminder for Big Brother is remembering back when I had the worst sunburn of my life back in March and how it hurt to even move…he prayed for my sunburn to feel better for about 6 weeks afterward!

Comments

  1. 1
    Kara says:

    What a cool experiment! We'll have to try this!

  2. 2
    Susie says:

    This is great! We're going to try this today.

  3. 3
    Beth- the mama bee says:

    I remember one year one of the students did a science fair project with hotdogs and sunscreen and leaving them out in the sun. They weren't in my class so I don't really remember the details.

  4. 4
    Kelly says:

    VERY good idea! I'm so using it. Im having a skin cancer scare right now (nothing that can't be taken care of), and I want my fair skin ladies to always wear sunscreen so they don't have to go through things like this.

  5. 5
    Brandy says:

    I've done this before with my kids and they think it's neat. But what they really love to do, is take little items from around the house (magnetic letters, small toys with interesting shapes, pattern blocks, leaves, etc.) and put on a piece of construction paper (even lighter colors work well!) in direct sunlight. Leave for a few hours…come back, remove all the items and voila! You have pictures where all the trinkets once were. So fun!

  6. 6
    DeAnna Baldwin says:

    I will for sure try this sunscreen experiment at home. I have two red-haired, fair skin little girls who HATE it when I slab the sunscreen on. What a great illustration of why I make them endure it:) Thanks.

  7. 7
    Becca says:

    Ooh! This looks fabulous! Unfortunately, I'm horrible at remembering sunscreen, and my kids have had a few too many sunburns :( so they know from personal experience how important it is to wear sunscreen, but this project looks like a great idea! I'll have to try it since our neighborhood pool is open now, and we'll be spending a LOT of our time there this summer!

  8. 8
    Ava says:

    Wow..this is very informative and really easy to do with our kids, thank you so much!

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