Physical/Chemical Change Project
Testo Storyboard
- Wow
- That's  a cool   physical change
- Actually I just learned ,that is a chemical change
- How is it a chemical change? I thought it was a physical change because it is irreversible.
- I can tell because a chemical change is when the properties change, in an explosion the properties change.
- But it is irreversible so it is a physical change, right?
- okay
- come with me ill teach you more about physical and chemical changes
- Chemical changes are also irreversible.
- For example baking cookies is irreversable. what type of change do you think it is?  
- Exactly! Now I'll show you another
- Oh, I get it. It is a chemical change because the properties are changing.
- This is an ice cube melting. It is reversible. What do you think it is, a yor chemical change?
- Exactly! but how do you know that?
- Because the molecules aren't changing.
- Physical change!
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