Physical or Chemical Change
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Transcript of Physical or Chemical Change
![Page 1: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/1.jpg)
Physical and Chemical Changes
![Page 2: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/2.jpg)
Physical changes are
those changes that do not result in the production of a new
substance.
![Page 3: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/3.jpg)
Painting your nails will not stop them from being
fingernails.
![Page 4: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/4.jpg)
If you break a bottle, you still have glass.
![Page 5: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/5.jpg)
Some common examples of physical changes are:
melting, freezing,
condensing, breaking, crushing, cutting,
and bending.
![Page 6: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/6.jpg)
If you melt a block of ice, you still have H2O at the end of the
change.
![Page 7: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/7.jpg)
Some, but not all physical changes can be reversed.
![Page 8: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/8.jpg)
You could refreeze the water into ice, but you cannot put your hair back together if you don’t like your haircut!
![Page 9: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/9.jpg)
Special types of physical changes where any object changes state, such as when water freezes or
evaporates, are sometimes called change of state operations.
![Page 10: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/10.jpg)
Chemical changes, or chemical reactions, are changes that result in the production of
another substance.
![Page 11: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/11.jpg)
When you burn a log in a fireplace, you are carrying out a chemical
reaction that releases carbon.
![Page 12: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/12.jpg)
When you light your Bunsen burner in lab, you are carrying out a chemical reaction that
produces water and carbon dioxide.
![Page 13: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/13.jpg)
Common examples of chemical changes that you may be
somewhat familiar with are; digestion,
respiration, photosynthesis,
burning, and decomposition.
![Page 14: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/14.jpg)
Physical or Chemical Change?
•Painting Wood
Physical Change Chemical Change
![Page 15: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/15.jpg)
Physical or Chemical Change?
•Painting Wood
Physical Change Chemical Change
![Page 16: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/16.jpg)
Physical or Chemical Change?
•Painting Wood
Physical Change Chemical Change
![Page 17: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/17.jpg)
Physical or Chemical Change?
•Painting Wood
Physical Change Chemical Change
![Page 18: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/18.jpg)
Physical or Chemical Change?
•Digestion of food
Physical Change Chemical Change
![Page 19: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/19.jpg)
Physical or Chemical Change?
•Digestion of food
Physical Change Chemical Change
![Page 20: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/20.jpg)
Physical or Chemical Change?
•Digestion of food
Physical Change Chemical Change
![Page 21: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/21.jpg)
Physical or Chemical Change?
•Digestion of food
Physical Change Chemical Change
![Page 22: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/22.jpg)
Physical or Chemical Change?
•Sugar dissolving in water
Physical Change Chemical Change
![Page 23: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/23.jpg)
Physical or Chemical Change?
•Sugar dissolving in water
Physical Change Chemical Change
![Page 24: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/24.jpg)
Physical or Chemical Change?
•Sugar dissolving in water
Physical Change Chemical Change
![Page 25: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/25.jpg)
Physical or Chemical Change?
•Sugar dissolving in water
Physical Change Chemical Change
![Page 26: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/26.jpg)
Physical or Chemical Change?
•Iron turning red when heated
Physical Change Chemical Change
![Page 27: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/27.jpg)
Physical or Chemical Change?
•Iron turning red when heated
Physical Change Chemical Change
![Page 28: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/28.jpg)
Physical or Chemical Change?
•Iron turning red when heated
Physical Change Chemical Change
![Page 29: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/29.jpg)
Physical or Chemical Change?
•Iron turning red when heated
Physical Change Chemical Change
![Page 30: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/30.jpg)
Physical or Chemical Change?
•Evaporation
Physical Change Chemical Change
![Page 31: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/31.jpg)
Physical or Chemical Change?
•Evaporation
Physical Change Chemical Change
![Page 32: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/32.jpg)
Physical or Chemical Change?
•Evaporation
Physical Change Chemical Change
![Page 33: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/33.jpg)
Physical or Chemical Change?
•Evaporation
Physical Change Chemical Change
![Page 34: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/34.jpg)
Physical or Chemical Change?
•A pond freezing in winter
Physical Change Chemical Change
![Page 35: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/35.jpg)
Physical or Chemical Change?
•A pond freezing in winter
Physical Change Chemical Change
![Page 36: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/36.jpg)
Physical or Chemical Change?
•A pond freezing in winter
Physical Change Chemical Change
![Page 37: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/37.jpg)
Physical or Chemical Change?
•A pond freezing in winter
Physical Change Chemical Change
![Page 38: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/38.jpg)
Physical or Chemical Change?
•Cutting wire
Physical Change Chemical Change
![Page 39: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/39.jpg)
Physical or Chemical Change?
•Cutting wire
Physical Change Chemical Change
![Page 40: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/40.jpg)
Physical or Chemical Change?
•Cutting wire
Physical Change Chemical Change
![Page 41: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/41.jpg)
Physical or Chemical Change?
•Cutting wire
Physical Change Chemical Change
![Page 42: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/42.jpg)
Direction: Write PC if the following shows physical change and CC if it shows chemical change.
1.Cutting fabric
2.Baking muffins3.Shattering glass
4.Decomposition of old leaves
5.Wrinkling a shirt
![Page 43: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/43.jpg)
Direction: Write PC if the following shows physical change and CC if it shows chemical change.
1.Cutting fabric
2.Baking muffins3.Shattering glass
4.Decomposition of old leaves
5.Wrinkling a shirt
PC
![Page 44: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/44.jpg)
Direction: Write PC if the following shows physical change and CC if it shows chemical change.
1.Cutting fabric
2.Baking muffins3.Shattering glass
4.Decomposition of old leaves
5.Wrinkling a shirt
PC
CC
![Page 45: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/45.jpg)
Direction: Write PC if the following shows physical change and CC if it shows chemical change.
1.Cutting fabric
2.Baking muffins3.Shattering glass
4.Decomposition of old leaves
5.Wrinkling a shirt
PC
CC
PC
![Page 46: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/46.jpg)
Direction: Write PC if the following shows physical change and CC if it shows chemical change.
1.Cutting fabric
2.Baking muffins3.Shattering glass
4.Decomposition of old leaves
5.Wrinkling a shirt
PC
CC
PC
CC
![Page 47: Physical or Chemical Change](https://reader033.fdocuments.in/reader033/viewer/2022042602/55721368497959fc0b923ec3/html5/thumbnails/47.jpg)
Direction: Write PC if the following shows physical change and CC if it shows chemical change.
1.Cutting fabric
2.Baking muffins3.Shattering glass
4.Decomposition of old leaves
5.Wrinkling a shirt
PC
CC
PC
CC
PC