WORKSHEET
PRIMARY
Code
PGF-02-R18
Date
October 15thto
December 12th
2013
STUDENT’S NAME: ________________________________________________________________
TAKING PART IN PROJECT: YES____ NO:_____MAIN TOPIC:_________________________
SUBJECT: Natural Science...
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WORKSHEET
PRIMARY
Code
PGF-02-R18
Date
October 15thto
December 12th
2013
STUDENT’S NAME: ________________________________________________________________
TAKING PART IN PROJECT: YES____ NO:_____MAIN TOPIC:_________________________
SUBJECT: Natural Science TERM: Second GROUP: Fifth
1. CONTEXT
Have you thought about all the changes that matter has around you? Did you
know that most of the activities we do in our daily life include a change of matter?
Think about eating a cupcake in one of your friend’s birthday. When the cupcake
enters your mouth, your teeth break the cake into smaller pieces causing a physical
change. When the smaller pieces reach your stomach, the digestive enzymes break
down food so that your body can use the nutrients we need to survive; in this
case, matter undergoes a chemical change.
The example of the cupcake is just one of the many situations where a physical or chemical
change occurs. Think about cutting your hair, brushing your teeth, cooking an egg, baking a
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