Start your day with a solid breakfast! Episode 1 reviews, compares and contrasts physical and chemical changes and how to recognize them as well as the states of matter. During a physical change a substance retains its identity (1:48) - examples are changes in state: solids, liquids and gas and signs are the change of shape or size (3:24). During chemical changes the identity and properties of substances changes (4:00), which you can observe as color change, heat being released, or bubbles being formed (4:20).Is dissolving salt in water a physical or chemical change? (5:05)Thank you for listening to The APsolute RecAP: Chemistry Edition!(AP is a registered trademark of the College Board and is not affiliated with The APsolute RecAP. Copyright 2020 - The APsolute RecAP, LLC. All rights reserved.)Website:www.theapsoluterecap.comEMAIL:TheAPsoluteRecAP@gmail.comFollow Us:INSTAGRAMTWITTERFACEBOOKYOUTUBE