Mini quiz - Which materials dissolve in water?

This mini quiz challenges students to identify which three items from a given list will dissolve in water. They are allotted 10 minutes to provide their answers, with each correct item identified earning them 2 points. The purpose of the quiz is to assess the students' understanding of solubility and the properties of materials when mixed with water. The quiz not only tests their knowledge of which substances can dissolve but also encourages them to think about whether these materials can be reverted to their original form after being dissolved.

The second part of the quiz requires students to consider the reversibility of the dissolving process. They must determine which materials, once dissolved in water, can or cannot be changed back to their original form. This aspect of the quiz aims to deepen the students' comprehension of chemical and physical changes, solubility, and the concept of reversible and irreversible changes. The quiz is designed by Focus Education (UK) Ltd and is a useful tool for educators to evaluate the students' grasp of basic scientific principles related to materials and their interactions with water.