This storyboard does not have a description.
Chemical and Physical Changes!
Like Johnny said, the iron pipe is reacting with oxygen. But WHY is it a chemical reaction? The iron is in the presence of oxygen, and creates a brand new substance. Rust! Iron molecules react with oxygen molecules to make a the compound iron oxide. A compound is a thing that is made of two or more different elements, or a mixture.
Do you see that pipe over there? Do you see the rust? Yeah, that's chemical change right there. Why? The material of the pipe is reacting with oxygen.
Explore Our Articles and Examples
Try Our Other Websites!
Photos for Class
– Search for School-Safe, Creative Commons Photos (It Even Cites for You!
– Easily Make and Share Great-Looking Rubrics
– Create Custom Nursery Art