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Name each activity or observation as either physical or chemical change.

1) Boiling water for pasta

2) Digesting food

3) Soda goes "flat"

4) Stretching a rubber band

5) Grilling a hamburger

6) Adding sugar to tea

7) Adding lemon to tea

8) Mowing the grass

9) The smell of perfume "wafts" across the room

10) Candle wax melts

11) Breaking glass

12) Making cement

13) Lighting a match

14) Water is absorbed by a paper towel

15) Firefly glows in the dark

16) Snow melts

17) Bleaching your hair

18) Turning on a light bulb

19) Milk goes sour

20) Shooting off fireworks

Verified Answer :

Edufirst

1) Boiling water for pasta-> physical

2) Digesting food -> chemical

3) Soda goes "flat" -> physical

4) Stretching a rubber band -> physical

5) Grilling a hamburger -> chemical

6) Adding sugar to tea -> physical

7) Adding lemon to tea -> physical

8) Mowing the grass -> physical

9) The smell of perfume "wafts" across the room -> physical

10) Candle wax melts -> physical

11) Breaking glass-> physical

12) Making cement-> chemical

13) Lighting a match-> chemical

14) Water is absorbed by a paper towel-> physical

15) Firefly glows in the dark-> chemical

16) Snow melts-> physical

17) Bleaching your hair-> chemical

18) Turning on a light bulb-> physical

19) Milk goes sour-> chemical

20) Shooting off fireworks-> chemical

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