1. Lab: Why cant we drink salt water?

2. Problem Why cant we drink salt water?

3. Background Because water is a polar molecule it is able to dissolve many substances including a variety of salts Salts are formed during the reaction of acids with bases. The ocean is salty because??

4. Hypothesis We can not drink salt water because …

5. Procedure Cut a potatoe in half Determine the mass of each half Write an observation abut each half Place one half in salt water and one in fresh water overnight. Determine the mass of each and observe each.

6. Data Construct a data table for your mass data Write your before and after observations.

7. Conclusion and Analysis Write a conclusion. Include whether the data supports your hypothesis or not and what the data indicates.