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4. Which of the following is the example of physical change below? * 1 point A.frying an egg B.corroding metal C.Food decaying D. separating sand from grave 5. How the atoms and molecules behave in the physical change? * 1 point A.atoms and molecules produced by the reaction B.atoms and molecules speed up or slow down C.atomic bonds are broken or created D. None of the above 6. Which of the following is an example of physical change? * 1 point A.Baking a birthday cake for your mother. B.A glass cup falls from the counter and shatters on the ground. C.Lighting a piece of paper on fire and the paper burns up and leaves ashes. D.Mixing baking soda and vinegar together, and this causes bubbles and foam. 7. What characteristic best describes what happen during a physical change? * 1 point A.Mass is lost B.Form stays the same C.Composition changes D.Composition stays the same 8. The material involved in the change is structurally the same before and after the change * 1 point Change the composition Reversible Not Reversible None of the above 9. Which is not the evidence of physical change? * 1 point Grinding Bending Experimenting Crushing 10. What happen to the molecules when you Sharpening a knife? 1 point molecules change their structure molecules are being created and destroyed. molecules still the same All of the above
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