1. Physical vs Chemical Changes
Activity

2. Physical and Chemical Changes
Using a Tree Map, students will classify the examples into Physical and Chemical changes.
What criteria can you use to determine if something is a physical or chemical change?
What vocabulary terms are a clue to whether it is a physical or chemical change?

3. Tree Map BACK Physical Change Chemical Change Changes in Matter
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Have students list characteristics of physical and chemical changes
BACK

4. Change? Physical vs Chemical
Classify each of the following slides as examples of Physical or Chemical Change. Write them in your T-Chart.
Be prepared to explain your thinking.

5. oil floating on water
oil

6. wax melting

7. a candle burning

8. sea water drying up to leave a residue of salt

9. Water boiling at 100 degrees Celsius.

10. Diamonds cutting glass.

11. Grass growing in a lawn

12. Water can be separated by electrolysis into hydrogen and oxygen.

13. Salt dissolving in water.
sugar

14. Food is digested in the stomach.

15. Vinegar will react with baking soda.
Vinegar and baking soda

16. Melting ice

17. Eating an apple

18. Water boils out of a kettle

19. Baking bread

20. Burning a match

21. Mixing salt and pepper

22. sun tanning

23. Cutting potatoes

24. Pancakes cooking on a griddle

25. Yeast acts on sugar to form carbon dioxide and ethanol.
Yeast and sugar carbon dioxide and ethanol

26. Broken leg

27. A nail rusting

28. Compression of a spring

29. eggs cooking
cooking

30. An aluminum pot is put on a burner and gets hot.

31. An antacid (calcium hydroxide) neutralizes stomach acid (hydrochloric acid).

32. Shuffling a deck of cards

33. Water is heated and changed to steam.

34. dissolving sugar in water

35. Salt water left to evaporate

36. gasoline burning

37. Water is absorbed by a paper towel.

38. http://www. saskschools. ca/curr_content/science9/chemistry/lesson8