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A change that affects only the physical properties of a substance is known as a(n) ______________. 23. What...
22. A change that affects only the physical properties of a substance is known as a(n) ______________.
23. What kind of changes are melting and freezing?
24. sanding a piece of wood
25. baking bread
26. crushing an aluminum can
27. melting an ice cube
28. dissolving sugar in water
29. molding a piece of silver
30. When a substance undergoes a physical change, its ______________ does not change.
31. What is changed when matter undergoes a physical change? Give an example to explain your answer.
23. What kind of changes are melting and freezing?
24. sanding a piece of wood
25. baking bread
26. crushing an aluminum can
27. melting an ice cube
28. dissolving sugar in water
29. molding a piece of silver
30. When a substance undergoes a physical change, its ______________ does not change.
31. What is changed when matter undergoes a physical change? Give an example to explain your answer.