Chemical and Physical Changes
What's the Difference? Whats the Same?
What is a Chemical Change?
A chemical change is when you change something and you cannot easily change it back. For example: burning a book or mixing powder with water.
What is a Physical Change
A physical change is when you can easily change something back. For example: ripping paper or mixing solid nuts.
How do you make changes
HOW DO YOU MAKE A PHYSICAL CHANGE!?!
To make a physical change you change the shape, color, or texture.
WELL THEN HOW DO YOU MAKE A CHEMICAL CHANGE!?!
To make a chemical change you change the substance entirely by changing volume or mass.
Ice
Melting ice is a physical change
Egg
Frying and egg is a chemical change
Nails
Rusting nails is a chemical change
Chemical changes vs. Physical changes