Chemical Changes & PropertiesChemical Changes & Properties

Chemical Change Demo Color Temperature Precipitate Gas Created1 2 3 4 5 6 7 8 9

Chemical Properties Changed

Create this on your paperCreate this on your paper

1. 1. Burning PaperBurning Paper

• http://www.youtube.com/watch?v=77vV3kz02cg

• http://www.youtube.com/watch?v=tItOOpyJP5k

2. 2. Glow StickGlow Stick

3. 3. Hand WarmerHand Warmer

• http://www.youtube.com/watch?v=RxB9K6khSrk

4. 4. Alum & AmmoniaAlum & Ammonia

• http://www.youtube.com/watch?v=qayvUHofKbA

5. 5. Baking Soda & VinegarBaking Soda & Vinegar

• Group Activity

6. 6. RustingRusting

• http://www.youtube.com/watch?v=8TNAxJXMzU8&feature=related

7. 7. TarnishingTarnishing

• http://www.youtube.com/watch?v=ij4QynD7Ao8

8. 8. Lime water & Carbon Dioxide (CO2)Lime water & Carbon Dioxide (CO2)

• http://www.youtube.com/watch?v=6HuyUxJBY3E&feature=related

9. 9. Instant Ice PackInstant Ice Pack

• http://www.youtube.com/watch?v=4_ful2tcJcY

After you’ve classified each After you’ve classified each reaction:reaction:

1. Define chemical change in your own words…1. Define chemical change in your own words…

2. Choose one example of chemical change & 2. Choose one example of chemical change & describe what change you observed & describe what change you observed & explain why it is a chemical change.explain why it is a chemical change.

3. Are bubbles always an indicator of chemical 3. Are bubbles always an indicator of chemical change? Create an explanation & include at change? Create an explanation & include at least 3 pieces of evident to support your least 3 pieces of evident to support your claim.claim.