Salt Water and Evaporation

Purpose of this experiment: To find out if salt will evaporate with the water.
Guess: The salt will be left behind.


Supplies:
salt ( 1/4 cup & 1 tablespoon)
water
glass
pen
sunny window sill



Process:

1. Fill glass with water,add salt until saturated. 

 2. Mark line on glass at water level,write date next to the line.

3. Put glass in sunny spot.

4. Mark water line every few days.  Look for salt residue. 

Keep checking back to see how much water has been evaporating!