• Three Drinking cups
• Water 
• Measuring Cup
• Salt
• Soil
• Fine sand 
• Plastic Cup

 Step1: Use a measuring cup to pour the same amount of water into each of the drinking glasses.    

Step2: Add some salt to One of the glasses.

Step 3: Use a plastic cup to pour some soil in another cup.

Step 4: Pour some fine sand in the last cup.

Step 5: Stir all three glasses and leave them for a few minutes.

Step 6: Compare the three glasses. You will see that the salt has disappeared. Most of the soil lies on the bottom of the glass. The glass with the sand is cloudy and the rest of the sand is at the bottom.