1-1 Review & Reinforcement

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1-1 Review & Reinforcement
Name_________________________
Matter/Physical & Chemical Changes
Period_______Date______________
Complete the following sentences by filling in the appropriate word.
1. ________________________is anything that has mass and volume.
2. The two states of matter that occupy a definite volume are _______________& _______________.
3. __________________ & ___________________ are the other two states of matter.
4. ___________________ changes alter the identity of a substance, whereas _________________
changes do not.
Identify whether each of the following changes is a physical change or a chemical change. Write a
“P” on the line for a physical change and a “C” for a chemical change.
5. _____ water boiling
12. _____ iron rusting
19. _____ butter melting
6. _____ alcohol evaporating
13. _____ wood rotting
20. _____ glass breaking
7. _____ leaves changing color
14. _____ mowing the lawn
21. _____ baking a cake
8. _____ magnetizing a nail
15. _____ digestion of food
22. _____ cutting paper
9. _____ lighting a match
16. _____ stretching a rubber band
23. _____ burning paper
10. _____ dissolving sugar in water 17. _____ melting glass
24. _____ paint fading
11. _____ a puddle dries up
25. _____ cracking an egg
18. _____ a pond freezes over
Determine which of the following are True “T” or false “F”, and for each false statement,
substitute for the underlined word(s), the word(s) which makes the statement correct.
26. _____________________ A change in state indicates that a chemical change has occurred.
27. _____________________ A change in composition indicates that a chemical change has occurred.
28. _____________________ A change in shape indicates that a physical change has occurred.
29. _____________________ Both physical & chemical changes involve energy changes.
30. _____________________ The burning of wood is a physical change.
31. _____________________ When ice cubes melt, a chemical change takes place.
2-3 Review-matter
32. _____________________ When mercury (II) oxide breaks down into its elements, mercury and
oxygen, it has undergone a physical change.
33. _____________________ The separation of a mixture into its parts is a physical change.
34. _____________________ The melting of iron is a chemical change.
35. _____________________ A glowing candle is an example of a physical change.
36. _____________________ Droplets of water forming on the outside of a glass of soda is a chemical
change.
37. _____________________ Formation of water from its elements is a physical change.
Answer each of the following questions in the space provided.
35. What is the relationship between the kinetic energy of molecules and their physical state?
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36. How could you determine whether the dissolving of sugar in water is a physical or chemical
change?
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37. Can a chemical change be accompanied by a physical change? Why? _______________________
______________________________________________________________________________
38. A salt water mixture can be separated by distillation. Is that a physical or chemical change? Why?
______________________________________________________________________________
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39. A bottle of milk turns sour. Is this a physical or chemical change? Why? ___________________
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40. Helium is an inert gas that does not react with other substances to form compounds. Would it be
correct to say that Helium has no chemical properties? Explain your answer.
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2-3 Review-matter
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