1 / 10

Chemical Changes

Chemical Changes. Ch. 12 - Lesson 5 p. E68 – E77. Physical change - When matter changes in size, shape, or state without changing what it is. Chemical change – A change of matter that occurs when atoms link together in a new way creating a new substance different than the original substance.

alika
Télécharger la présentation

Chemical Changes

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chemical Changes Ch. 12 - Lesson 5 p. E68 – E77

  2. Physical change - When matter changes in size, shape, or state without changing what it is

  3. Chemical change – A change of matter that occurs when atoms link together in a new way creating a new substance different than the original substance

  4. Examples of Chemical Changes

  5. Chemical reaction – Another name for a chemical change.

  6. Reactants – Original substance before it goes through a chemical reaction

  7. Products – The new substances produced after a chemical change (reaction)

  8. Signs of a chemical change • Color change – Blueberry juice and baking soda will turn green • Formation of a gas – Vinegar and baking soda will form carbon dioxide • Formation of light and heat – Lighting a gas grill

  9. Questions • What is the difference between a chemical and physical change? • What happens during a chemical change? • What are three signs of a chemical change? • Why are chemical changes more difficult to reverse than physical changes?

More Related