After the demonstration by Mrs. Powers, please answer the following questions in a blog comment.
- Before heating, what kind of pressure was inside the can---high or low? What is your evidence? Explain why you believe this to be true.
- Once the heated can was placed into the water, what kind of air pressure was on the outside of the pop can---- high or low? What is your evidence? Explain why you believe this to be true.
- What caused the can to be crushed?
After completing these questions in your comment, look at the following pressure websites.
Air pressure balloon animation, Storm system animation
