https://www.khanacademy.org/science/revision-term-1-ka-science-class-7/x05832cca8e86a1ef:week-2/x05832cca8e86a1ef:physical-and-chemical-changes/e/physical-and-chemical-changes-in-daily-life 2026-04-07T22:59:30.107127435Z Identify if a change is physical or chemical Let's solve some questions on distinguishing physical and chemical changes in daily life Vibhor Pandey exercise https://www.khanacademy.org/science/class-7-science/x0c8b40bd4b242f0b:physical-and-chemical-changes/x0c8b40bd4b242f0b:physical-and-chemical-changes-with-examples/e/physical-and-chemical-change 2026-03-27T14:53:23.229071668Z Physical and chemical changes Let's practice to differentiate between a physical change and a chemical change by solving the given questions. exercise https://www.khanacademy.org/science/up-science-grade-6-revision-course-full-term/x017c12e57b64cfa8:week-1/x017c12e57b64cfa8:changes-in-neigbourhood/e/rapid-and-slow-changes 2026-04-09T13:10:38.304888012Z Types of changes LO1: Types of changes - Fast and slow changes - Physical and chemical changes - Natural and artificial changes/ Controlled and Uncontrolled changes - Reversible and irreversible changes/ Regular and irregular changes.  Revathi exercise