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1. Does your ghak stretch? 2. Describe its texture, feel, and abilities (what can it do). 3. What happens when you pull hard on your ghak? 4. Roll a piece into a ball and drop it onto your table. What happens?
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1. Does your ghak stretch? • 2. Describe its texture, feel, and abilities (what can it do). • 3. What happens when you pull hard on your ghak? • 4. Roll a piece into a ball and drop it onto your table. What happens? • 5. Roll a piece into a ball and let it sit on a flat surface undisturbed. What do you observe? • 6. Was this lab an example of a physical or chemical change? What evidence supports your answer? • 7. What use do plastics play in our world today? • 8. Have plastics done more harm than good? Explain.