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8/26/13

Which picture illustrates a physical change?. 8/26/13. Which piece of evidence listed in not used in the pictures above to show signs of a chemical change? a. A precipitate b. Color Change c. Release of light d. Formation of a gas. 8/27/13. No Warm Up

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8/26/13

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  1. Which picture illustrates a physical change? 8/26/13 Which piece of evidence listed in not used in the pictures above to show signs of a chemical change? a. A precipitate b. Color Change c. Release of light d. Formation of a gas

  2. 8/27/13 No Warm Up Turn in Unit 1 Notebook Check

  3. 8/28/13 Which of the following is chemical property of matter? a. Solubility b. density c. Volume d. reactivity Which is an example for a physical change? a) Baking a cake b) Spoiling of milk c) Formation of clouds by evaporation d) Digestion of food in the stomach

  4. Backyard composting speeds up the natural process of _________, providing optimum conditions so that organic matter can break down more quickly and be used as natural fertilizer. a. Fortification b. Decomposition c. Osmosis d. Natural Selection Based on the pictures shown. Is composting a physical or chemical change?

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