Post on 18-Jul-2015
Changes that Matter Undergo
Is anything that make up any object, occupies space, has mass and composed of atoms.
Matter
Physical Changeand
Chemical Change
No new substance is created, although the matter may take different form.
Physical Change A change in physical appearance of
matter.
Changes may be reversible, especially phase changes.
Occur when substances are mixed, but don't chemically react.
Physical Change
Meltingof
ice cream
Slicingof
bread
Paintingof
walls
Chemical Change
Involves the production of a new substance.
The product of chemical change cannot be brought back to its original state by ordinary means.
The new substance formed is entirely different from the original substance.
Chemical Change
Mixingof
chemicalsCooking
Burningof
woods
Digestionof
food
Answer:Chemical Change
Boilingof
water
Answer:Physical Change
Bakingof
pastries
Answer:Chemical Change
Sawingof
lumber
Answer:Physical Change
Curlingof
hair
Answer:Physical Change
Spoilingof
food
Answer:Chemical Change
Choppingof
vegetables
Answer:Physical Change
Tearingof
paper
Answer:Physical Change
Rustingof
nails
Answer:Chemical Change
Seat work
Directions: Copy and Answer.
Write P if it is a physical change, and C if it
is a chemical change. Write your answer on
your notebook.
___1.) melting of candle
___2.) wilting of plant
___3.) burning of charcoal
___4.) condensation of water vapor
___5.) chewing of food
___6.) decaying of human waste
___7.) grinding of meat
___8.) cutting of grasses
___9.) charring of sugar
___10.) freezing of water
___11.) electroplating of metal
___12.) combustion of fuel
___13.) toasting of bread
___14.) crumpling of paper
___15.) mixing of red and green marbles
Assignment
Directions:
Cut-out different pictures in old magazines or newspaper 5 examples each of Physical and Chemical Change. Identify and write a brief description of the picture. Paste it in a short bond paper.
(To be passed on July 22, FRIDAY)
Prepared by:Sheila Mae Rosali d.N. Lavapie