BEACH EXPLORATION UNIT
- Are you more likely to float in a pool or in the ocean?
- Do you really need sunscreen at the beach?
- How can we turn salt water into fresh water?
Come explore the beach with us, and find out!
Float or Sink?
Is it easier to stay afloat in salt water or freshwater?
Here are the materials you will need.
After filling one glass with salt and placing one egg in each glass, we find that...
Here are the materials you will need.
After filling one glass with salt and placing one egg in each glass, we find that...
It is easier to float in salt water!
Because of the density of salt water, your body will have an easier time staying afloat in the ocean than in the pool.
Why is sunscreen important?
To help learn about the importance of sunscreen, you will need a colored piece of paper, sunscreen, and the sun!
Spread sunscreen on half of the paper.
Spread sunscreen on half of the paper.
The results...
After leaving the paper in the sun for 4 hours, the color on the side of the paper without sunscreen is greatly affected by the sun. Although fading isn't the reaction your skin will have, it is still affecting and harming it in a dangerous way!