Evidence%20for%20Physical%20

1
Evidence for Physical Chemical Changes
2
Evidence for Physical Changes

• No new substance is formed
• The matter may change its
• State (solid, liquid, or gas)
• Size
• Shape

3
Examples of Physical Changes

• Plastic melting
• A puddle evaporating
• Rain freezing
• Sugar dissolving
• A paper ripping in half

4
Evidence for Chemical Changes

• Forming New Substances
• Temperature Change
• Color Change
• Producing a Gas

5
Examples of Chemical Changes

• Wood burning
• Baking soda and vinegar bubbling
• Fireworks exploding
• Food being digested
• Metal rusting