Another key concept in the Facts of Science Class 3 is learning about the states of matter—solid, liquid, and gas. Simple experiments, such as melting ice or blowing up a balloon, can show how matter changes form. Children learn that air, although invisible, occupies space and has weight. Introducing materials like metal, plastic, and wood helps them understand their properties and us... https://mohamedsalahclub.com/read-blog/11782_interesting-facts-of-science-class-3-students.html