Activity 1: Add salt and sand to water to produce clean water via filtration process.
Students were asked to place 1 spoon of salt and 1 spoon of sand in 200 ml of water and were asked to separate the sand from the salt water with the help of a funnel and filter paper.
Activity 2: Students were asked to find out how much salt can be dissolved in water.
Students were asked to keep adding salt to the clean water until it stopped dissolving.
Activity 3: How to return salt to its original state..
Students were asked to get the salt back using a fast process (By heating) and a slow process (Evaporation).