Names:
Chemical or Physical Change?
Date:
Per:
Directions: Working with your partner, observe each video. Try to determine if you were witnessing a physical or
chemical change. Complete sentences are not needed, but complete thoughts are!
For LOTS of these videos, you won’t see a specific name of each ingredient. It is perfectly fine to state that the
components were “a white powder and a reddish liquid that was thick like syrup”.
1. Crystal Time Lapse
 Ingredients: ____________________________________________________________________________

Observations: __________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

Chemical or physical change? (Circle one.)

Explain the proof you saw and end your statement with “which proves that this was a chemical/physical
change”. ______________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________
2. Popping Popcorn in Super Slow Motion
 Ingredients: ____________________________________________________________________________

Observations: __________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

Chemical or physical change? (Circle one.)

Explain the proof you saw and end your statement with “which proves that this was a chemical/physical
change”. ______________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________
3. Potassium Chlorate and Gummy Bear
 Ingredients: ____________________________________________________________________________

Observations: __________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

Chemical or physical change? (Circle one.)

Explain the proof you saw and end your statement with “which proves that this was a chemical/physical
change”. ______________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________
4. Pharaohs’ Serpent
 Ingredients: ____________________________________________________________________________

Observations: __________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

Chemical or physical change? (Circle one.)

Explain the proof you saw and end your statement with “which proves that this was a chemical/physical
change”. ______________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________
5. Tight Fit
 Ingredients: ____________________________________________________________________________

Observations: __________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

Chemical or physical change? (Circle one.)

Explain the proof you saw and end your statement with “which proves that this was a chemical/physical
change”. ______________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________
6. How To…Make a Perfect Fried Egg
 Ingredients: ____________________________________________________________________________

Observations: __________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

Chemical or physical change? (Circle one.)

Explain the proof you saw and end your statement with “which proves that this was a chemical/physical
change”. ______________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________
7. Mercury Versus Corn Syrup
 Ingredients: ____________________________________________________________________________

Observations: __________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

Chemical or physical change? (Circle one.)

Explain the proof you saw and end your statement with “which proves that this was a chemical/physical
change”. ______________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________
8. Elephant Toothpaste
 Ingredients: ____________________________________________________________________________

Observations: __________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

Chemical or physical change? (Circle one.)

Explain the proof you saw and end your statement with “which proves that this was a chemical/physical
change”. ______________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________
9. Gallium Spoon
 Ingredients: ____________________________________________________________________________

Observations: __________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

Chemical or physical change? (Circle one.)

Explain the proof you saw and end your statement with “which proves that this was a chemical/physical
change”. ______________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________
10. Reaction Oscillante
 Ingredients: ____________________________________________________________________________

Observations: __________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

Chemical or physical change? (Circle one.)

Explain the proof you saw and end your statement with “which proves that this was a chemical/physical
change”. ______________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________