You can also display posters about healthy foods and drinks around the room. Explain to the children that just like the potato loses water when put in a salty solution, salty foods and drinks make people thirsty as it draws out water from our bodies, therefore salty foods should only be eaten sometimes and not in large amounts.Ĭreate ongoing discussions about food using books and stories. Leave for 30 minutes and watch what happens! The salt draws the water out of the potato, causing it to shrivel. Place one half of the potato in the salty water and the other half in the fresh water with the cut side facing down. Label bowls as either “fresh water” or “salty water”. What you’ll needįill both bowls with water and place salt in one of the bowls.
They can also learn why it is important to not each too much salt.
In this science experiment, children can learn about how salt draws out water from a potato, or our bodies, which makes us thirsty. Too much salt can also make us feel thirsty. Too much salt can make our hearts and kidneys have to work harder.
