Chemistry 11
2.1 Properties of Matter
Demo 1: Polystyrene #6 (Making Key Chains)
1. Cut a shape to your liking, basketball, football, beaker, Erlenmeyer flask, graduated
cylinder etc. Design and color it to your liking. Be sure to make it larger than you want as
it will shrink.
2. Is this process a chemical or physical change? Explain.
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Demo 2: Pop Rocks
1. Open a pack and ‘pop’ them in your mouth.
2. Describe what is taking place.
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3. Is this process a chemical or physical change? Explain.
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Demo 3: Sodium Polyacrylate
1. Describe what is taking place.
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2. Is this process a chemical or physical change? Explain.
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Demo #4: Luminol
1. Solution A 0.53 g of luminol mixed with 500mL of 0.1 M NaOH combined in a funnel or
spiral tube (occurs on agitation) with Bleach:Water solution 1:10 500mL.
2. Describe what is taking place.
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3. Is this process a chemical or physical change? Explain.
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Differentiate between a Physical and Chemical Change:
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