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5.Cooking pots are made of (Aluminum -Iron -Sulphur )
2.complete the following :
1.Silver is a shiny element so it’s ……………………….,while sulphur
is ……………….
2.The length can be measured by …………………..and
…………………units
3.The change of matter from liquid to gas is called ………………….
4-…………………..is the amount of matter in the object.
5………………locate at the center of solar system
3.Classify the following changes into physical and
chemical change : (Grinding of sugar –wood burning –Iron
rusting -wax melting – production of youghurt from milk )
Physical change Chemical change
…………………………………………………… …………………………………………………………
…… ……
…………………………………………………… …………………………………………………………
….. …..
…………………………………………………… …………………………………………………………
…….. ………
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