 |
Water flow! - Why aren't lakes salty like the ocean? (Experiment) |
by Mya Kagan (whyzz writer) >> more about the author
To understand the way salty water flows into and out of a lake, try out this experiment!
Get a shallow bowl which will represent your lake and fill it about half way with fresh, clean water. Then, trickle a little bit of salty water into your lake using a cup -- this represents salty groundwater from rain trickling into the lake. Dip a clean finger into the “lake water” -- does it taste salty?
Pour some of the water out of the bowl, and then add more fresh water to it, like rain which comes down from the sky.
Dip a clean finger into the water one more time. Does it taste less salty??