Good and bad effect of physical changes?

Answer 1

1. Burning of a building

2. Adding sugar to lemonade

3. Water changing to steam

4. Rusting of iron

5. Fluffy egg whites

6. Leaves changing color

7. Milk turning sour

8. Faded cloth

9. Churning of milk

10. Baking rolls

11. Ripening of tomatoes

12. A stick broken into small pieces

13. Growing vegetables

14. Formation of a gas bubble

15. Disappearance of color

16. Making ice cream

17. Using hot water to expand a metal cup

18. Opened canned fruit left out of the refrigerator for a few days

19. Digestion of food

20. Popcorn popping

21. Freezing water

Answer 2

Some good effects of physical changes:

Material or substance remains unchanged,

Castings,

Sculptures,

Shaping of metals,

Shaping of stones for building,

Polishing of metals and stones.

Answer 3

"The importance of a physical change is it ends up the same material as an outcome. For example if you rip paper into pieces it is a physical change because it is still paper."

Quoted not Written by me.

Answer 4

evaporation of water,then fall as a rain,cools our environment

Answer 5

Too much evaporation can cause dehydration and withering of plants

When there is too much condensation followed by precipitation, it can cause rain and to much rain can cause flood

Answer 6

This a very general question; too large for an answer in WikiAnswers.