Chemistry

  Subject: Chemistry                                              Chapter 1                                               Grade 9 Topic: States of Matter “What is Matter Really?” Misconception: “Only things we can see are matter. Air is nothing.” Correct Understanding: Matter includes anything that has mass and takes up space , even if we cannot see it. Example: Take a balloon: Blow it up → it expands Leave it open → it shrinks “Why did the balloon expand if nothing went inside?”   Air ...