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   Self-Igniting Candle
  With a simple touch, a glass stirring rod ignites a candle and you have succeeded in grabbing your students' attention with the “magic” and power of chemistry. Repeat this demo to teach the concepts of thermochemistry and decomposition reactions.
 
   1 + 1 Does Not Equal 2
  Talk about surprising results! Add 500 mL of liquid to 500 mL of liquid and you get...more than 1000 mL?!?! What's goin' on there? This demonstration seems to defy intuition. Use this demo twice a year for teaching the concepts of stoichiometry and acids and bases.
 
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