The aims of this research were to know: (1) the average student learning outcomes in states of matter and changes the material that is taught by an experimental method in class VII SMP Negeri 22 Pontianak; (2) the average student laerning outcomes in states of matter and changes the material that is taught by conventional method in class VII SMP Negeri 22 Pontianak; (3) the average di... https://jalyttlers.shop/product-category/lamp-base/